CN101504936A - Electric apparatus substrate, image forming control panel and image forming apparatus - Google Patents

Electric apparatus substrate, image forming control panel and image forming apparatus Download PDF

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Publication number
CN101504936A
CN101504936A CN 200910003854 CN200910003854A CN101504936A CN 101504936 A CN101504936 A CN 101504936A CN 200910003854 CN200910003854 CN 200910003854 CN 200910003854 A CN200910003854 A CN 200910003854A CN 101504936 A CN101504936 A CN 101504936A
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CN
China
Prior art keywords
hole
lsi
pearl
base plate
printed base
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Granted
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CN 200910003854
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Chinese (zh)
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CN101504936B (en
Inventor
伊藤淳
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Ricoh Co Ltd
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Ricoh Co Ltd
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Publication of CN101504936B publication Critical patent/CN101504936B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10—Bump connectors; Manufacturing methods related thereto
    • H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151—Die mounting substrate
    • H01L2924/153—Connection portion
    • H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
    • H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA

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  • Combinations Of Printed Boards (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

The invention relates to an electric apparatus substrate, an image forming control plate and an image forming device, which simplifies operation confirmation and malfunction analysis of an LSI connected with a main substrate via bottom beads and which enables the operation of the LSI to be accurate. The configuration thereof is as follows: the LSI (16) is mounted on the main substrate (10b) of which a first surface, a first lead (33) of grounding potential and a second lead (34) of power supply potential are subjected to wiring at inner layer; multi-holes (35) and control holes (37) are positioned on the substrate, the multi-holes are jointed with the bottom beads (31) of the LSI and extend to a second surface of the main substrate, and the control holes are connected with the first or the second lead and extend to the second surface; and an auxiliary substrate (20) is provided with first beads (42) and second beads (43) on the surface thereof, the first beads are jointed with the end part of the second surface side and the end part of holes (36) jointed with end beads (20) applying indicating signals of general operating mode/pilot operating mode, the second beads are jointed with the control holes (37), and first holes (46), second holes (47) and a connecting lead (48) are mounted.

Description

Electric apparatus substrate, image forms control board and image processing system
Technical field
The present invention relates to a kind of tellite based on equipment LSI (large scale integrated circuit) electric apparatus substrate, use its image to form control board and image processing system, more particularly, relate to following a kind of tellite, it is equipped with the high LSI of integrated level, and this LSI is electrically connected LSI terminal and printed circuit cable by arranging a plurality of terminal connection pearls in the LSI bottom surface with high density.This electric apparatus substrate can be used in bigger scale and carries out the Electronic Control of various electric machines and the circuit substrate that electronic information is handled, stored.For example, can be used in computer or the server that contains such as printer, Manuscript scanner instrument, photocopier, personal computer etc.
Background technology
[patent documentation 1] spy opens the 2005-191355 communique
[patent documentation 2] spy opens the 2003-347496 communique
In recent years, the integrated level of large scale integrated circuit (LSI) improves by technological innovation.Under the situation of such LSI, a plurality of function element are integrated on the LSI, so the holding wire pin number of LSI encapsulation increases.On the other hand, the number of pins with respect to increasing in order to encapsulate miniaturization, when installing, needs the high-density installation technology on substrate.
Under the situation of patent documentation 1, as shown in figure 13, with form in opposite directions IC1, IC2 are installed on the two sides of printed base plate MB, between two IC, disclosed the module substrate that connects by the through hole (via) that connects substrate at thickness direction.Under the situation of patent documentation 2, the assisting base plate at the sandwich-like sandwich construction of internal layer structure earth lead and power lead is disclosed.This assisting base plate is owing to be formed for tackling whole mould (the グ ラ Application De ベ パ -Application of ground connection of noise on the face of a side, therefore ground solidpattern), the terminal of the face by opposite side connects pearl and connects through hole main substrate, that be connected with the LSI terminal of equipping LSI.
Mode as shown in figure 13, the IC1 as LSI, the IC2 that installs on the two sides of printed base plate MB connects by the through hole 35 of printed base plate MB, and the through hole 35 of printed base plate MB connects connection pearl 31 and IC1, the IC2 of the bottom surface that is positioned at each IC.Connect with short lead by through hole 35 between IC1, IC2, yet, because this lead is the form that is clipped between IC1, the IC2, and connect printed base plate MB, therefore can't be visual from the outside, nor can connect detector etc. (detection).Under the situation of such structure, there is the situation of fault in the installation of IC1 or IC2, reaches situation about breaking down in the work (action) of IC1 or IC2, owing to can not carry out visual examination and detection, therefore is very difficult to determine occurrence cause.In order to determine occurrence cause, the work of dismantling IC1, IC2 etc. is in analysis of causes degradation in efficiency, because therefore dismounting IC1, IC2 can not carry out common work, thereby be difficult to carry out accident analysis.And, owing to dismantle IC1, IC2, therefore there is the possibility of occurrence cause disappearance, expansion etc.Even when breaking down, will carry out back processed (repairing), owing to can not draw lead, therefore still need to carry out the making again of printed base plate MB, expend time in and expense.
Summary of the invention
First purpose of the present invention is, easily carries out work affirmation or the accident analysis of the LSI that is connected with printed base plate by the connection pearl of bottom surface.
Second purpose of the present invention is to make the work of the LSI that is connected with printed base plate accurate.
To achieve these goals, to propose technological means as follows in the present invention:
(1) a kind of electric apparatus substrate of equipping LSI (Fig. 1～Fig. 6), be equipped with:
Main printed base plate (10b), LSI (16) are equipped in first (10s1) as the surface, apply first and decide first lead (33) of current potential and apply second second lead (34) of deciding current potential to connect up at internal layer with sandwich-like;
LSI through hole group (35) and control through hole (37), be positioned at this main printed base plate (10b), this LSI is connected pearl (31) with through hole group (35) one ends and engages with the terminal of the bottom surface of described LSI (16), the other end is positioned at second (10s2) side as the back side of described main printed base plate (10b), this control is connected with described first or second lead (33/34) with through hole (37) one ends, and the other end is positioned at described second (10s2) side; And
The first auxiliary printed base plate (20), be equipped with first on the surface and connect the pearl (42) and the second connection pearl (43), among described first connection pearl (42) and the described LSI usefulness through hole group (35), with the through hole (36) that pearl (32) engages of being connected that applies to the signal terminal of the control signal of the work of described LSI (16) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl (43) engages with through hole (37) with described control, and equips and this first first through hole (46) that is connected pearl (42) joint, second be connected second through hole (47) that pearl (43) connects with this, and the lead (48) of this first through hole (46) of connection and this second through hole (47).
And, in order easily to understand, in parantheses, come the addition record symbol or the corresponding item of the counter element of embodiment described later as shown in the figure, with for referencial use as example.Below too.
The following describes effect of the present invention.
According to above-mentioned (1), under the situation of the first auxiliary non-installation of printed base plate (20) promptly with situation that main printed base plate (10b) separates under, LSI (16) can be transformed into test/trial running mode, need not to dismantle first LSI, and can survey LSI (16) from second side of main printed base plate (10b).Analysis when fault is taken place is easy.
(2) as the electric apparatus substrate of the equipment LSI of above-mentioned (1) scheme record,
Earthing potential (L) at described first lead (33) is applied under the situation of the signal terminal that applies described control signal, described LSI (16) is with normal operation mode work, the power supply potential (H) of described second lead (34) be applied in and the situation of described signal terminal for open circuit (not applying bulk potential) under, described LSI (16) is with test/trial running mode work;
The described control that is positioned at described main printed base plate (10b) connects described first lead (33) with an end of through hole (37).
Thus, under the situation that the first auxiliary printed base plate (20) is installed promptly with situation that main printed base plate (10b) is connected under, the earthing potential of first lead (L) is applied to the signal terminal of the described control signal that applies LSI (16), and LSI (16) is with normal operation mode work.Under the situation of non-installation promptly with situation that main printed base plate (10b) separates under, owing to apply the signal terminal open circuit of the described control signal of LSI (16), therefore LSI (16) is with test/trial running mode work, need not to dismantle first LSI, and can survey LSI (16) from second side of main printed base plate (10b).Analysis when fault is taken place is easy.
(3) a kind of electric apparatus substrate (Fig. 7) of equipping LSI is equipped with:
Main printed base plate (10b), LSI (16) are equipped in first (10s1) as the surface, apply first and decide first lead (33) of current potential and apply second second lead (34) of deciding current potential to connect up at internal layer with sandwich-like;
LSI uses through hole group (35), control with first through hole (37), and control with second through hole (38), be positioned at described main printed base plate (10b), this LSI is connected pearl (31) with through hole group (35) one ends and engages with the terminal of the bottom surface of described LSI (16), the other end is positioned at second (10s2) side as the back side of described main printed base plate (10b), this control is connected with described first lead (33) with first through hole (37) one ends, the other end is positioned at described second (10s2) side, this control is connected with described second lead (34) with second through hole (38) one ends, and the other end is positioned at described second (10s2) side;
The first auxiliary printed base plate (20), be equipped with first on the surface and connect the pearl (42) and the second connection pearl (43), among described first connection pearl (42) and the described LSI usefulness through hole group (35), with the through hole (36) that pearl (32) engages of being connected that applies to the signal terminal of the control signal of the work of described LSI (16) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl (43) engages with first through hole (37) with described control, and equips and this first first through hole (46) that is connected pearl (42) joint, second be connected second through hole (47) that pearl (43) connects with this, and the lead (48) of this first through hole (46) of connection and this second through hole (47); And
The second auxiliary printed base plate (50), be equipped with first on the surface and connect the pearl (52) and the second connection pearl (57), among described first connection pearl (52) and the described LSI usefulness through hole group (35), with the through hole (36) that pearl (32) engages of being connected that applies to the signal terminal of the control signal of the work of described LSI (16) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl (57) engages with second through hole (38) with described control, and equips and this first first through hole (56) that is connected pearl (52) joint, second be connected second through hole (59) that pearl (57) connects with this, and the lead (58) of this first through hole (56) of connection and this second through hole (59).
Thus, by different types of auxiliary printed base plate (20/50) selectively is installed, can switch a plurality of functions of LSI (16).And, being in non-installation by making auxiliary printed base plate (20/50), can also change to test/trial running mode.Only by auxiliary printed base plate (20/50), the function that promptly can realize integrated circuit components is on the one hand switched, also can realize conversion on the other hand, because can handoff functionality and analyze, therefore realize the easiness of analyzing when fault takes place etc. to test/trial running mode.
(4) as the electric apparatus substrate of the equipment LSI of above-mentioned (3) scheme record,
Earthing potential (L) at described first lead (33) is applied under the situation of the signal terminal that applies described control signal, described LSI (16) is with normal operation mode work, the power supply potential (H) of described second lead (34) be applied in and the situation of described signal terminal for open circuit (not applying bulk potential) under, described LSI (16) is with test/trial running mode work.
(5) as the electric apparatus substrate (Fig. 8) of the equipment LSI of any record in the scheme of above-mentioned (1) to (4), described auxiliary printed base plate (20,50) is equipped with lead, this lead one end connect with the described LSI of described main printed base plate (10b) with the pearl that is connected on the auxiliary printed base plate of through hole group (35) joint, the other end comprises the through hole that is used to connect the LSI that appends (60,62,63,64) that is positioned at the rear side of assisting printed base plate.
Impossible additional processing under the situation of conventional art, correction (circuit append etc.) because auxiliary printed base plate (20,50) is gone up and can be realized, therefore can be cut down the time and the expense of reply fault, can carry out with good efficiencies and tackle.
(6) as the electric apparatus substrate of the equipment LSI of above-mentioned (5) scheme record, the described LSI that appends is FPGA.
(7) as the electric apparatus substrate (Fig. 9) of the equipment LSI of any record in the scheme of above-mentioned (1) to (4), described auxiliary printed base plate (20,50) lead is equipped with, this lead one end connect with the described LSI of described main printed base plate (10b) with the pearl that is connected on the auxiliary printed base plate of through hole group (35) joint, the other end comprises the rear side that is positioned at auxiliary printed base plate, the clock that is used to connect the changeable frequency that appends encapsulates the through hole (60 of (90), 62,63,64), and, at auxiliary printed base plate (20,50) this clock of assembling encapsulates the back side of (90), is equipped with to be used for controlling pilot (91) that this clock encapsulates the frequency of (90) and connector (92) or the dip switch that is connected with this lead.
By the change frequency, can the alter error occurrence condition, can improve the efficient of accident analysis.
(8) as the electric apparatus substrate (Figure 11) of the equipment LSI of any record in the scheme of above-mentioned (1) to (7), in described main printed base plate (10b), have ground connection through hole (39) and power supply through hole (40), described ground connection through hole (39) one ends connect described first lead (33) that applies earthing potential, the other end is positioned at described second (10s2) side, and described power supply through hole (40) one ends connect described second lead (34) that applies power supply potential, and the other end is positioned at described second (10s2) side; Described auxiliary printed base plate (20,50) is equipped with the ground connection that engages with described ground connection through hole to be connected pearl (67), is connected with power supply that described power supply through hole (40) engages that pearl (68), an end are connected pearl (67) connection with this ground connection and the other end be positioned at the rear side of assisting printed base plate ground connection connecting hole (65), reach that an end is connected pearl (68) connection with this power supply and the other end is positioned at the power supply connecting hole (66) of the rear side of assisting printed base plate.
(9) as the electric apparatus substrate of the equipment LSI of above-mentioned (8) scheme record, the described ground connection connecting hole (65) of described auxiliary printed base plate (20,50) and power supply connecting hole (66) are by-pass capacitor (72) splicing ear.
The appending of impossible by-pass capacitor (72) that is used for power supply under the situation of conventional art because auxiliary printed base plate (20,50) is gone up and can be realized, therefore can be cut down time and the expense of tackling noise, can carry out the noise countermeasure with good efficiencies.
(10) as the electric apparatus substrate (Figure 12) of the equipment LSI of above-mentioned (8) scheme record, described auxiliary printed base plate (20,50) is equipped with external ground terminal (79) that is connected with the described other end of described ground connection connecting hole (65) that should auxiliary printed base plate (20,50) and the external power terminal (80) that is connected with the described other end that is somebody's turn to do the described power supply connecting hole (66) of assisting printed base plate (20,50).
By first lead of main printed base plate (10b), second lead (33,34) are blocked from main printed base plate power supply, external power source is connected with external ground terminal (79), the external power terminal (80) of auxiliary printed base plate (20), adjustment applies voltage, Deng, the change power supply, the fault occurrence condition can be changed thus, the efficient of accident analysis can be improved.
(11) a kind of image forms control board (Fig. 2), is equipped with:
Main printed base plate (10b), at first (10s1) equipment image processing LSI (16) as the surface, image I/F (15), CPU (12), RAM (13), and ROM (14), this image processing LSI (16) is treated to input image data the record view data of the image appearance characteristic of the printer (9) that is suitable for print image on used paper, this image I/F (15) exports this record to printer (9) with view data, this CPU (12) is LSI, be used for controlling the input of view data, handle by the view data that described image processing LSI (16) carries out, reach output to printer (9), this RAM (13) is used for this CPU and reads and writes data, and this ROM (14) working procedure of storing this CPU, and, apply first and decide first lead (33) of current potential and apply second second lead (34) of deciding current potential to connect up at internal layer with sandwich-like;
LSI through hole group (35) and control through hole (37), be positioned at this main printed base plate (10b), this LSI is connected pearl (31) with through hole group (35) one ends and engages with the terminal of the bottom surface of described image processing LSI (16), the other end is positioned at second (10s2) side as the back side of described main printed base plate (10b), and, this control is connected with described first or second lead (33/34) with through hole (37) one ends, and the other end is positioned at described second (10s2) side; And
The first auxiliary printed base plate (20), be equipped with first on the surface and connect the pearl (42) and the second connection pearl (43), among described first connection pearl (42) and the described LSI usefulness through hole group (35), with the through hole (36) that pearl (32) engages of being connected that applies to the signal terminal of the control signal of the work of described LSI (16) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl (43) engages with through hole (37) with described control, and equips and this first first through hole (46) that is connected pearl (42) joint, second be connected second through hole (47) that pearl (43) connects with this, and the lead (48) of this first through hole (46) of connection and this second through hole (47).
(12) a kind of image forms control board (Fig. 3), is equipped with:
Main printed base plate (10b), at first (10s1) equipment image processing LSI (16) as the surface, image I/F (15), CPU (12), RAM (13), and ROM (14), this image processing LSI (16) is treated to input image data the record view data of the image appearance characteristic of the printer (9) that is suitable for print image on used paper, this image I/F (15) exports this record to printer (9) with view data, this CPU (12) is LSI, be used for controlling the input of view data, handle by the view data that described image processing LSI (16) carries out, reach output to printer (9), this RAM (13) is used for this CPU and reads and writes data, and this ROM (14) working procedure of storing this CPU, and, apply first and decide first lead (33) of current potential and apply second second lead (34) of deciding current potential to connect up at internal layer with sandwich-like;
CPU through hole group and control through hole, be positioned at this main printed base plate (10b), described CPU is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described CPU (12), the other end is positioned at second side as the back side of described main printed base plate, described control is connected with described first or second lead (33/34) with through hole one end, and the other end is positioned at described second side; And
The first auxiliary printed base plate (100), be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described CPU usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described CPU (12) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
(13) a kind of image forms control board (Fig. 2, Fig. 3), is equipped with:
Main printed base plate (10b), at first (10s1) equipment image processing LSI (16) as the surface, image I/F (15), CPU (12), RAM (13), and ROM (14), this image processing LSI (16) is treated to input image data the record view data of the image appearance characteristic of the printer (9) that is suitable for print image on used paper, this image I/F (15) exports this record to printer (9) with view data, this CPU (12) is LSI, be used for controlling the input of view data, handle by the view data that described image processing LSI (16) carries out, reach output to printer (9), this RAM (13) is used for this CPU and reads and writes data, and this ROM (14) working procedure of storing this CPU, and, apply first and decide first lead (33) of current potential and apply second second lead (34) of deciding current potential to connect up at internal layer with sandwich-like;
LSI through hole group (35) and control through hole (37), be positioned at this main printed base plate (10b), this LSI is connected pearl (31) with through hole group (35) one ends and engages with the terminal of the bottom surface of described image processing LSI (16), the other end is positioned at second (10s2) side as the back side of described main printed base plate (10b), and, this control is connected with described first or second lead (33/34) with through hole (37) one ends, and the other end is positioned at described second (10s2) side;
LSI assists printed base plate (20), be equipped with first on the surface and connect the pearl (42) and the second connection pearl (43), among described first connection pearl (42) and the described LSI usefulness through hole group (35), with the through hole (36) that pearl (32) engages of being connected that applies to the signal terminal of the control signal of the work of described LSI (16) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl (43) engages with through hole (37) with described control, and equips and this first first through hole (46) that is connected pearl (42) joint, second be connected second through hole (47) that pearl (43) connects with this, and the lead (48) of this first through hole (46) of connection and this second through hole (47);
CPU through hole group and control through hole, be positioned at described main printed base plate (10b), described CPU is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described CPU (12), the other end is positioned at second side as the back side of described main printed base plate, described control is connected with described first or second lead (33/34) with through hole one end, and the other end is positioned at described second side; And
CPU assists printed base plate (100), be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described CPU usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described CPU (12) indication normal operation mode or test/trial running mode, the engaged at end of described second (10s2) side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
(14) image as any record in the scheme of above-mentioned (11) to (13) forms control board (Fig. 2), and described main printed base plate (10b) also is used for importing the computer of outside or the expanded function I/F (18) of the character image information that facsimile machine provides at first (10s1) equipment as the surface.
(15) image as any record in the scheme of above-mentioned (11) to (14) forms control board (Fig. 2), and described image I/F (15) has the function of the view data of input Manuscript scanner instrument (8) output; Described image processing LSI (16) has the function of the view data of distortion that the image of the view data of proofreading and correct Manuscript scanner instrument (8) output reads and the form that is converted to predetermined characteristic.
(16) as the image formation control board (Fig. 2) of any record in the scheme of above-mentioned (11) to (15), described main printed base plate (10b) also is being used for the work input of input-output operation display panel, the operating portion I/F (17) of demonstration output as surperficial first (10s1) equipment.
(17) a kind of image processing system (Fig. 1) is equipped with: the printer (9) that forms the image of expression recording image data on used paper; And as above-mentioned (11) to (16) scheme in the image of any record form control board; This image forms the described image I/F (15) of control board to the described record view data of described printer (9) output.
(18) a kind of image processing system is equipped with: the printer (9) that forms the image of expression recording image data on used paper; Read the Manuscript scanner instrument (8) of the view data of image on the original copy and this image of output expression; And image formation control board as putting down in writing in above-mentioned (15) scheme; This image forms the view data of described image I/F (15) input Manuscript scanner instrument (8) output of control board, to the described record view data of described printer (9) output.
Description of drawings
Fig. 1 is the block diagram of summary of structure that the photocopier with complex function of the electric apparatus substrate of having equipped the first embodiment of the present invention is shown.
Fig. 2 is the block diagram of summary that the structure of controller shown in Figure 1 10 is shown.
Fig. 3 is the amplification view of the main printed base plate 10b of equipment controller 10 shown in Figure 2, shows the part in the main element, and other has omitted diagram.
Fig. 4 A is the amplification view of periphery of the LSI16 of Fig. 3, and Fig. 4 B is the enlarged drawing of the section of Fig. 4 A upper edge 4B-4B line, also is the enlarged drawing along the section of 4B-4B line on Fig. 3.
Fig. 5 is the enlarged drawing of the auxiliary printed base plate 20 of the wiring usefulness shown in Fig. 4 B from the section of main printed base plate 10b separation.
Fig. 6 is that the circle of Fig. 4 B is surrounded the enlarged drawing of 6A part.
Fig. 7 A is the enlarged drawing of section of a part of the electric apparatus substrate of second embodiment, and Fig. 7 B replaces second wiring that first wiring shown in Fig. 7 A uses with auxiliary printed base plate 20 amplification profile diagram with auxiliary printed base plate 20.
Fig. 8 is the amplification profile diagram of a part of the electric apparatus substrate of the 3rd embodiment.
Fig. 9 is the amplification profile diagram of a part of the electric apparatus substrate of the 4th embodiment.
Figure 10 illustrates the block diagram that the functional structure of encapsulation takes place clock shown in Figure 9.
Figure 11 is the amplification profile diagram of a part of the electric apparatus substrate of the 5th embodiment.
Figure 12 is the amplification profile diagram of a part of the electric apparatus substrate of the 6th embodiment.
Figure 13 A is the amplification view of the part of main printed base plate in the past, and Figure 13 B is the sectional drawing along 13B-13B line shown in Figure 13 A.
Embodiment
Other purpose and feature of the present invention, the explanation according to the embodiment hereinafter of reference accompanying drawing will become clear and definite.
[embodiment 1]
Fig. 1 illustrates the summary of the image processing system of the first embodiment of the present invention.This first embodiment is the photocopier with complex function, printer 9, Manuscript scanner instrument 8, operation display panel 7, printer controller 6, and facsimile machine controller 4 be connected to master controller 10.Manuscript scanner instrument 8 is equipped with automatic document feeder and contact glass and Manuscript scanner mechanism, under the state of the image that reads in the original copy that carries on the original copy pallet of automatic document feeder, Manuscript scanner mechanism is for the image of the original copy of automatic document feeder delivery, under the state that stops, utilizing the minute surface of Manuscript scanner mechanism to pass optical lens to project to the CCD of fixed-site.Carrying out so-called sheet material walks (sheet through) and reads.Under the situation that reads in the original copy that contact glass left-hand seat puts, utilize Manuscript scanner mechanism that minute surface is scanned (subscan) along the contact glass, the image of original copy each several part is projected to CCD continuously.It is view data that the image processing circuit of the vision signal that CCD generates by Manuscript scanner instrument 8 inside is converted to numerical data, exports master controller 10 to.
Printer 9 is the color laser printer of cascade system, and the recording image data that adopts master controller 10 to provide forms image by the imaging mode of electrofax mode is next on used paper.Scan display panel 7 specifies such as scanning (scanning information distribution), prints, duplicates, and the image processing of facsimile transmission etc., and the indication execution.Printer controller 6 is communicated by letter with the information machine such as the outside of personal computer, server etc., is the character image information translation of the print command that provides from them that picture data is a view data, provides to master controller 10.The communication that exterior I/F (interface) 5 carries out between external mechanical and the printer controller 6.Facsimile machine controller 4 externally facsimile machine or the facsimile function of external personal computer between send and receive faxes, under situation about sending, via master controller 10, the view data of Manuscript scanner instrument 8 outputs is converted to the facsimile transmission data, send to communication line.Facsimile between communication I/F3 control facsimile machine controller 4 and the other side's side facsimile machine.
Fig. 2 illustrates the summary of the structure of master controller 10.For view data from Manuscript scanner instrument 8, the processing of the view data of distortion that image processing LSI16 enforcement correcting image reads and the form that is converted to predetermined characteristic.The form that the view data that being converted to of view data form makes view data be suitable for exporting the destination is accepted.In the view data form of output destination, have black and white two-value, tonal gradation (black and white is many-valued), sRGB, JPEG, Adobe-RGB data and other.
Image processing LSI 16 is also for the view data of Manuscript scanner instrument output, and the view data of printer controller 6 and 4 inputs of facsimile machine controller, implements adjustment, the processing of image and is suitable for the image processing of the output destination of user's appointment.Wherein one of representational image processing is the conversion to the recording image data of the drafting characteristic that is suitable for printer 9.
CPU 12 as the LSI encapsulation is the microprocessor of the integral body control of management master controller 10, is the main body of image processing system.RAM 13 is volatile memory, the transmitter side when transmitting and the speed difference of receiver side in order to absorb view data, and the processing speed regularly of the parts that are connected postpone and the data of interim memory transactions, and when CPU 12 carries out the control of associated picture formation device, interim stored program and intermediate treatment data.CPU 12 is in order to obtain high speed processing, and the start-up routine by the ROM14 storage when starting usually comes start-up system, thereafter, based on read from ROM 14, in the program that memory 13 that can zero access launches, carry out the control of each several part.
Image I/F 15 comprises bus control device, except that with respect to the input of the view data of the Manuscript scanner instrument 8 of internal system bus 11, system bus 11 is also controlled via the interelement data in the master controller 10 of internal system bus 11 and is transmitted to the output of the recording image data of printer 9 internally.Operating portion I/F 17 is at work input, the demonstration output of CPU 12 input-output operation display panels 7.Expanded function I/F 18 is input to image processing LSI 16 to the view data of printer controller 6 inputs via internal system bus 11, and, carry out the transmission of the view data between facsimile machine controller 4 and the image processing LSI 16 via internal system bus 11.
Fig. 3 illustrates the summary as the configuration of the image processing LSI 16 of the main LSI of conduct on first 10s1 on the conduct surface of the main printed base plate 10b of the master controller plate of equipment master controller 10 and CPU 12.Main printed base plate 10b is on the two sides of insulating material and the printed circuit board of internal layer outfit circuit lead.As the wiring of the first auxiliary printed base plate with auxiliary printed base plate 20,100 for having the printed circuit board with the same wire structures of main printed base plate 10b.Image processing LSI16 and CPU 12 as integrated circuit components contain semiconductor chip, are the electronic devices that comprises the encapsulation with multitube leg structure.Be equipped with the normal operation mode of bringing into play the original image processing function that is intended to and the test function of bringing into play components interior and change each function of the test/trial running mode of the alternative image processing function of the function of intention originally among the image processing LSI 16 in advance, by for the earthing potential (-) of function setting terminal (32) or applying of power supply potential (+), perhaps pass through open circuit, can handoff functionality.By the function setting terminal (32,36: potential setting Fig. 5), can change to test/trial running mode.
CPU 12 is equipped with each function of test/trial running mode of the image processing controlled function that substitutes of the image processing controlled function of the test function of the normal operation mode of the image processing controlled function that comprises imaging control of the original intention of performance and performance components interior and the original intention of change in advance, by for the earthing potential (-) of function setting terminal or applying of power supply potential (+), perhaps, can switch by open circuit.By the potential setting of function setting terminal, CPU 12 also can change to test/trial running mode.In the present embodiment, any one among LSI 16 and the CPU 12 is transformed into test/trial running mode by the setting of function setting terminal (32) being made as " H " level of power supply potential or open circuit (open circuit: do not have be connected with circuit).On the other hand, by this function setting terminal (32) being made as " L " level, can be transformed into normal operation mode as ground connection (machine ground) current potential.
And, in main printed base plate 10b, there be the element and the wiring of master controller shown in Figure 2 10, and most of diagram of omitting.In the present embodiment, at second 10s2 of main printed base plate 10b as the back side, exist the first auxiliary printed base plate that is connected respectively with image processing LSI 16 and CPU 12 promptly as the wiring of the auxiliary printed base plate of LSI with auxiliary printed base plate 20, and the first auxiliary printed base plate promptly use and assist printed base plate 100 as the wiring of the auxiliary printed base plate of CPU.Identical with the wiring for image processing LSI 16 described later for wiring with the connection state of auxiliary printed base plate 20 with the connection state of auxiliary printed base plate 100 as the CPU 12 of LSI, and wiring is identical with the structure of auxiliary printed base plate 20 with wiring described later with the structure of auxiliary printed base plate 100.
Fig. 4 A amplifies the periphery that the image processing LSI 16 on Fig. 3 is shown, and Fig. 4 B amplification illustrates the section along 4B-4B line shown in shown in Figure 3 and Fig. 4 A.Wiring is connected to the external connection terminals (31) of image processing LSI 16 by through hole 35 with auxiliary printed base plate 20.
Fig. 5 illustrates the section that the wiring shown in Fig. 4 B is separated from main printed base plate 10b with auxiliary printed base plate 20, and Fig. 6 amplification illustrates the circular part 6A that surrounds among Fig. 4 B.First inner conductor 33 of main printed base plate 10b is the ground plane that is connected with the machine ground (-) that omits illustrated power circuit, and second inner conductor 34 is the bus plane that is connected with the supply power voltage (+) of this power circuit.The through hole 36 of function setting terminal (connect pearl 32) by main printed base plate 10b of LSI 16 that is installed on first 10s1 of main printed base plate 10b is drawn out to second 10s2.And the through hole 37 that is connected with first inner conductor 33 of main printed base plate 10b extends to second 10s2.This through hole 37 is the holding wire of indication normal operation mode.
On the other hand, the wiring that is installed on second 10s2, is provided with the terminal that is connected the same pearl of pearl group 31 as the outside terminal of LSI 16 and promptly connects pearl group 41 for comprising the printed base plate of a plurality of wiring layers with auxiliary printed base plate 20.Connect the inner lead of a part of connecting wiring of pearl group 41 with auxiliary printed base plate 20.Wiring is being installed under the situation of main printed base plate 10b with auxiliary printed base plate 20, the external connection terminals (hole 35) that is drawn out to the LSI 16 of second 10s2 is connected with auxiliary printed base plate 20 with wiring, on the other hand, the through hole 37 (normal operation mode index signal line) of drawing from first inner conductor 33 (ground plane) of main printed base plate 10b similarly is connected with auxiliary printed base plate 20 with wiring, simultaneously, be connected pearl 42 be connected through hole 36 that pearl 32 engages and this through hole 37 (normal operation mode index signal line) by what wiring usefulness was assisted printed base plate 20 as the function setting terminal of main printed base plate 10b, 43, through hole 46,47 and inner lead 48 connect, as a result of, function setting terminal (connecting pearl 32) is connected with ground (33).
Under the situation of present embodiment, shown in Fig. 4 B (Fig. 6), LSI 16 and wiring are being installed under the situation of main printed base plate 10b with auxiliary printed base plate 20, because the function setting terminal (32) of LSI 16 is connected with ground (33), so LSI 16 is with normal operation mode work.On the other hand, wiring is under the situation of non-installment state with auxiliary printed base plate 20, because function setting terminal (32) do not connect whatever, so terminal becomes open circuit (opening), and LSI 16 is with test/trial running mode work.
With LSI 16, the main printed base plate 10b of above explanation, and wiring identical with the syndeton of auxiliary printed base plate 20, CPU 12 shown in Figure 3 is connected with main printed base plate 10b, and wiring is connected with main printed base plate 10b and CPU 12 with auxiliary printed base plate 100.
According to this first embodiment, be under the situation of non-installment state for main printed base plate 10b with auxiliary printed base plate 20 or 100 in wiring, LSI 16 or CPU 12 are transformed into test/trial running mode, need not from first 10s2 dismounting LSI 16 or CPU 12, and analysis or alternative functions can easily carry out fault and take place the time.
[embodiment 2]
Fig. 7 A amplifies the master controller plate part corresponding with part 6A shown in Figure 4 10b that second embodiment is shown.In order to have versatility, LSI 16 is equipped with the normal operation mode of the image processing function of bringing into play original intention in advance and brings into play the test function of components interior and change each function of the test/trial running mode of the image processing function that substitutes of the function of intention originally, by for the earthing potential (-) of function setting terminal (32) or applying of power supply potential (+), perhaps, can switch by open circuit.By function setting terminal (32) is made as " H " level or open circuit, be transformed into test/trial running mode.On the other hand, by this function setting terminal is made as " L " level, can be transformed into normal operation mode.The ground connection of power circuit (machine ground) current potential is applied to the inner conductor 33 of main printed base plate 10b, and the power supply current potential (+) of power circuit is applied to inner conductor 34.
The through hole 36 of function setting terminal (32) by main printed base plate 10b of LSI 16 that is installed on first 10s1 of main printed base plate 10b is drawn out to second 10s2.And by the through hole 37 shown in Fig. 7 A, holding wire is drawn out to second 10s2 from first inner conductor 33 of main printed base plate 10b.Equally, by through hole 38, holding wire is drawn out to second 10s2 from the conductor part of second inner conductor 34.In the present embodiment, first inner conductor 33 is an earthing potential, and second inner conductor 34 is a power supply potential.In the present embodiment, by through hole 38, power supply potential is drawn out to second 10s2 of main printed base plate 10b.
First wiring that is installed on second 10s2 with auxiliary printed base plate 20 for comprising the printed base plate of a plurality of wiring layers, with as the external connection terminals group of LSI 16 to be connected pearl group 31 same, be provided as the connection pearl group 41 of the terminal of pearl.A part that connects pearl group 41 connects with assisting in the printed base plate 20 in first wiring.This connection can change the connection destination with auxiliary printed base plate (20,50) at each wiring.
Shown in Fig. 7 A, first wiring is installed under the situation of main printed base plate 10b with auxiliary printed base plate 20, the external connection terminals (hole 35) that is drawn out to the LSI 16 of second 10s2 is connected with auxiliary printed base plate 20 with wiring, on the other hand, the through hole 37 (normal operation mode index signal line) of drawing from first inner conductor 33 (ground plane) of main printed base plate 10b similarly is connected with auxiliary printed base plate 20 with wiring, simultaneously, be connected pearl 42 be connected through hole 36 that pearl 32 engages and this through hole 37 (normal operation mode index signal line) by what wiring usefulness was assisted printed base plate 20 as the function setting terminal of main printed base plate 10b, 43, through hole 46,47 and inner lead 48 connect, as a result of, function setting terminal (connecting pearl 32) is connected with ground (33).
Shown in Fig. 7 B, predetermined second wiring that is installed on second 10s2 with auxiliary printed base plate 50 also for comprising the printed base plate of a plurality of wiring layers, with as the outer end subgroup of LSI 16 to be connected pearl group 31 same, be provided as the connection pearl group 51 of the terminal of pearl.A part that connects pearl group 51 connects with assisting in the printed base plate 50 in second wiring.In the circuit structure of the test/trial running mode of the image processing function that substitutes of the part of the function of carrying out performance change normal operation mode, this connects outer end subgroup 31 connecting circuits of change LSI 16.And, with assisting in the printed base plate 50, there is the through hole 59 that is connected with through hole 38 in second wiring, this through hole 38 is connected with second inner conductor 34 of main printed base plate 10b, and is drawn out to second 10s2.
Second wiring is being installed under the situation of main printed base plate 10b with auxiliary printed base plate 50, be drawn out to the external connection terminals (31 of the LSI 16 of aforementioned second 10s2,35) be connected with auxiliary printed base plate 50 with second wiring, on the other hand, the power supply signal line (38) of drawing from the inner conductor 34 of main printed base plate 10b similarly is connected with auxiliary printed base plate 50 with second wiring, simultaneously, function setting terminal (32,36) by the connection pearl 52 of second wiring with auxiliary printed base plate 50,57, through hole 56,59 and inner lead 58 be connected with the through hole 38 of main printed base plate 10b, become the power supply potential of specifying test/trial running mode.LSI 16 comes work with the image processing function that substitutes of the function that changes original intention.
So, by replacing wiring with assisting printed base plate, the function setting terminal (32) of LSI 16 can change potential level, can switch the function of LSI 16.And, being in non-installment state by making wiring with auxiliary printed base plate 20 and 50, LSI 16 is transformed into and the aforesaid alternative different test pattern of image processing function.Second embodiment first wiring with auxiliary printed base plate 20 or second wiring with in auxiliary printed base plate 50 and the structure that main printed base plate 10b is connected, only promptly realize the function switching of LSI 16 with auxiliary printed base plate 20/50 by wiring, and change to test pattern with the separation of auxiliary printed base plate by wiring simultaneously, therefore, when fault takes place etc. because can handoff functionality and analyze, thereby realize the easiness analyzed.And, among second embodiment, used CPU 12 also similarly is connected with main printed base plate 10b with above-mentioned LSI 16, and is corresponding with auxiliary printed base plate 20,50 with above-mentioned first and second wiring, has the auxiliary printed base plate of first and second wiring that is used for CPU 12 of same structure.The hardware configuration of other of second embodiment and functional structure are identical to first embodiment shown in Figure 6 with Fig. 1.
[embodiment 3]
Fig. 8 amplifies the master controller plate part corresponding with part 6A shown in Figure 4 10b that the 3rd embodiment is shown.In order to have versatility, LSI 16 is equipped with the normal operation mode of the image processing function of bringing into play original intention in advance and brings into play the test function of components interior and change each function of the test/trial running mode of the image processing function that substitutes of the function of intention originally, by for the earthing potential (-) of function setting terminal (32) or applying of power supply potential (+), perhaps, can switch by open circuit.By function setting terminal (32) is made as " H " level or open circuit, be transformed into test/trial running mode.On the other hand, by this function setting terminal is made as " L " level, can be transformed into normal operation mode.The ground connection of power circuit (machine ground) current potential is applied to the inner conductor 33 of main printed base plate 10b, and the power supply current potential (+) of power circuit is applied to inner conductor 34.
The through hole 36 of function setting terminal (32) by main printed base plate 10b of LSI 16 that is installed on first 10s1 of main printed base plate 10b is drawn out to second 10s2.And by through hole shown in Figure 8 37, holding wire is drawn out to second 10s2 from first inner conductor 33 of main printed base plate 10b.Equally, by through hole 38, holding wire is drawn out to second 10s2 from the conductor part of second inner conductor 34.In the present embodiment, still first inner conductor 33 is an earthing potential, and second inner conductor 34 is a power supply potential.In the present embodiment, by through hole 38, power supply potential is drawn out to second 10s2 of main printed base plate 10b.Wiring is powered by this power supply potential with auxiliary printed base plate 20.
The wiring that is installed on second 10s2 with auxiliary printed base plate 20 for comprising the printed base plate of a plurality of wiring layers, with as the external connection terminals group of LSI 16 to be connected pearl group 31 same, be provided as the connection pearl group 41 of the terminal of pearl.A part that connects pearl group 41 connects with assisting in the printed base plate 20 in first wiring.As shown in Figure 8, wiring is installed under the situation of main printed base plate 10b with auxiliary printed base plate 20, the external connection terminals (hole 35) that is drawn out to the LSI 16 of second 10s2 is connected with auxiliary printed base plate 20 with wiring, on the other hand, the through hole 37 (normal operation mode index signal line) of drawing from first inner conductor 33 (ground plane) of main printed base plate 10b similarly is connected with auxiliary printed base plate 20 with wiring, simultaneously, be connected pearl 42 be connected through hole 36 that pearl 32 engages and this through hole 37 (normal operation mode index signal line) by what wiring usefulness was assisted printed base plate 20 as the function setting terminal of main printed base plate 10b, 43, through hole 46,47 and inner lead 48 connect, as a result of, function setting terminal (connecting pearl 32) is connected with ground (33).
In connecting up, also be equipped with wiring pattern with auxiliary printed base plate 20, (for example be used for other LSI 70, FPGA (Field Programmable Gate Array, field programmable gate array): LSI able to programme) etc. parts are connected with LSI 16, the through hole 62～64 of this wiring pattern arrives the back side of wiring with auxiliary printed base plate 20, can engage with these through holes 62～64 as the connection pearl 71 of the splicing ear of LSI 70.
Among the 3rd embodiment like this, with auxiliary printed base plate 20 wiring pattern that is used for connecting the LSI 70 that appends is set in wiring.Under the situation about breaking down in the work of LSI 16, if wiring is separated from main printed base plate 10b with auxiliary printed base plate 20, then LSI 16 becomes test pattern.If in wiring with under auxiliary printed base plate 20 and the state that main printed base plate 10b is connected, LSI 70 is connected with auxiliary printed base plate 20 with wiring, then LSI 16 is according to the debugging functions of setting at LSI 70, comes work with the image processing function that substitutes of the function that changes original intention.That is, embedded the LSI 70 that appends circuit, can revise the work of LSI 16 simply by installing with auxiliary printed base plate in wiring.(circuit append etc.) can be realized on auxiliary printed base plate 20 in wiring because impossible additional processing under the situation of conventional art, therefore can cut down the time and the expense of reply fault, can tackle with the good efficiencies implementation.And among the 3rd embodiment, used CPU 12 similarly is connected with main printed base plate 10b with above-mentioned LSI 16, and is corresponding with auxiliary printed base plate 20 with above-mentioned wiring, and the wiring that is used for CPU 12 with same structure is with assisting printed base plate.The hardware configuration of other of the 3rd embodiment and functional structure are identical to first embodiment shown in Figure 6 with Fig. 1.
[embodiment 4]
Fig. 9 amplifies the master controller plate part corresponding with part 6A shown in Figure 4 10b that the 4th embodiment is shown.Under the situation of the 4th embodiment, as the clock of LSI take place encapsulation 90 be connected to the 3rd embodiment in the wiring of similar with auxiliary printed base plate 20.With identical among the 3rd embodiment, LSI 16 is equipped with the normal operation mode of bringing into play the original image processing function that is intended to and the test function of bringing into play components interior and change each function of the test/trial running mode of the alternative image processing function of the function of intention originally.In the wiring pattern of wiring with auxiliary printed base plate 20, remove clock is taken place encapsulation 90 and the circuit lead 60～64 that LSI 16 is connected, link the clock generation in addition and encapsulate 90 and the back up lead 91 of connector 92.This back up lead 91 takes place encapsulation 90 to connector 92 and clock and is electrically connected.It is variable that encapsulation 90 frequencies of oscillation take place this clock, by providing the frequency designation data from connector 92, can export the clock of one of a plurality of frequencies (set).In a single day that is, under situation about in the work of LSI 16, breaking down, the frequency designation data that provides from connector 92 can be provided also change the frequency of exporting clock.Thus, because therefore the condition can change fault and take place the time can easily carry out accident analysis.
Figure 10 illustrates the summary that the structure of encapsulation 90 takes place clock.The source clock resonance ground vibration of the oscillator signal of oscillating circuit 93 and external crystal oscillator or the preset frequency that provides from the outside, generate the clock signal of preset frequency, provide to output buffer 96 with PLL (Phase Locked Loop, phase-locked loop) circuit 95 and the outpost of the tax office (gate) function ((ON)/cut-out (OFF) function is connected in output).PLL circuit 95 generates the clock of the clock signal frequency division (reduction frequency) of oscillating circuit 93 outputs or frequency multiplication (increase frequency) and with the clock of its further frequency division and a clock ensemble of multiple frequency (1 group of clock) at a value of frequency specific data, and provides to output buffer.In a clock ensemble, comprise for example more than one CPU with clock, more than one peripheral circuit with clock, and more than one ASIC (ASIC(Application Specific Integrated Circuit)) use clock.ASIC provides to LCI 16 with part or all of clock, CPU provides to CPU 12 with part or all wiring pattern by main printed base plate 10b of clock, peripheral circuit with clock also the wiring pattern by main printed base plate 10b I/F to the main printed base plate 10b etc. is provided.Clock ensemble for example is to have different 8 groups of frequency in the group at least in the present embodiment, frequency designation data by 3 bit architecture, a group is designated, the clock ensemble of specified group exports output buffer 96 to from PLL 95, output buffer 96 is in response to the connection/cut-out indication from the output control signal of frequency controller 94, makes the group's that PLL 95 provides clock and the clock that oscillating circuit 93 provides connect (output)/cut-out (output stops).And these clocks are switched on (output)/cut-out (output stops) about each clock.Just, the number of output control signal is identical with the clock number.
By using the not shown peripheral control unit that is connected with connector 92 to come work (change, switching) frequency designation data and control signal, can change clock frequency, perhaps the work of master controller 10 is tested or revised to the clock of a connection/cut-out part.And, under the situation of a kind of variant of the 4th embodiment, replace connector 92 and use the dip switch.In the case, need not to use peripheral control unit, and the connection/lockout mode that can change the dip switch changes clock frequency, the perhaps clock of a connection/cut-out part, test or revise the work of master controller 10.
According to the 4th embodiment, if wiring separates with main printed base plate 10b with auxiliary printed base plate 20, then LSI 16 is with test pattern work.Be installed under the state of main printed base plate 10b with auxiliary printed base plate 20 in wiring, the frequency of the output clock of encapsulation 90 takes place by the change clock, the part of a group's of connection/cut-out output clock as required, LSI 16 (and master controller 10) comes work with the image processing function or the test pattern that substitute of the function that changes original intention.Thus, can improve the efficient of accident analysis.And among the 4th embodiment, used CPU 12 also similarly is connected with main printed base plate 10b with above-mentioned LSI 16, and is corresponding with auxiliary printed base plate 20 with above-mentioned wiring, and the wiring that is used for CPU 12 with same structure is with assisting printed base plate.The hardware configuration of other of the 4th embodiment and functional structure are identical to first embodiment shown in Figure 6 with Fig. 1.
[embodiment 5]
Figure 11 amplifies the master controller plate part corresponding with part 6A shown in Figure 4 10b that the 5th embodiment is shown.With the wiring of the similar of second embodiment with auxiliary printed base plate 20 in, in the 5th embodiment, wiring has the through hole 65,66 that capacitor part connects that is used for that penetrates into the surface from the back side with auxiliary printed base plate 20, at the back side of wiring, can be connected capacitor 72 with through hole 65,66 with auxiliary printed base plate 20.In main printed base plate 10b, there are through hole 39 and through hole 40, be used for wiring is connected to earthing potential and power supply potential with the through hole 65 and 66 (connected capacitor 72) of assisting printed base plate 20.These through holes 39 and 40 are connected to first inner conductor 33 and second inner conductor 34, extend to second 10s2.Wiring is connected to the through hole 39 and 40 of main printed base plate 10b with the connection pearl 67,68 of auxiliary printed base plate 20 by wiring with the through hole 65,66 of auxiliary printed base plate 20.
Under the situation of conventional art, in the power supply potential wiring of main printed base plate, be loaded with noise etc., under the situation about in LSI16, breaking down etc., under the situation that capacitor etc. is installed in order to cut down noise, do not exist owing to install, therefore need to revise the layout of main printed base plate as the part of appending the capacitor of parts.Under the situation of present embodiment, owing to can receive the back side of wiring to the inner conductor 33,34 of the ground connection electricity that becomes main printed base plate 10b, power supply potential by through hole 39,40 with auxiliary printed base plate 20, and capacitor 72 is installed, therefore can cut down the noise of power supply simply.Therefore can cut down the time and the expense of reply noise, can carry out the noise reply with good efficiencies.And among the 5th embodiment, used CPU 12 also similarly is connected with main printed base plate 10b with above-mentioned LSI 16, and is corresponding with auxiliary printed base plate 20 with above-mentioned wiring, and the wiring that is used for CPU 12 with same structure is with assisting printed base plate.The hardware configuration of other of the 5th embodiment and functional structure are identical to first embodiment shown in Figure 6 with Fig. 1.
[embodiment 6]
Figure 12 amplifies the master controller plate part corresponding with part 6A shown in Figure 4 10b that the 5th embodiment is shown.In the 6th embodiment, wiring with auxiliary printed base plate 20 be with the wiring of the similar of the 5th embodiment with auxiliary printed base plate 20, yet, be used for auxiliary earth terminal 79 and accessory power supply terminal 80 that external power source connects and be connected to through hole 65,66.Trial run is being connected to auxiliary terminal 79,80 to inner conductor 33,34 power supplies with external power source, and adjust or change under the situation of supply power voltage, for separating of the common power circuit that easily carries out power supply originally and inner conductor 33,34, under the situation of the 6th embodiment, at main printed base plate 10b, through hole 73,74 that is connected with inner conductor 33 and the through hole 75,76 that is connected with inner conductor 34 are set, and these extend to first 10s1.In first 10s1, grounding jumper 77 and power supply wire jumper 78 are connected to through hole 73,74 and 75,76.Originally the machine ground end (-) and the supply power voltage end (+) of the common power circuit of power supply are connected to grounding jumper 77 and power supply wire jumper 78 to master controller 10.Trial run is to be converted to the power supply of DC or storage battery etc. from source power supply via the AC adapter with external power source.
In this embodiment, grounding jumper 77 that is connected with common power circuit and power supply wire jumper 78 are separated from main printed base plate 10b, blocking-up is to the power supply of main printed base plate 10b, then, trial run is connected to auxiliary earth terminal 79 and accessory power supply terminal 80 with external power source, can be from the outside be master controller 10 power supplies to main printed base plate 10b.If with the variable device of working voltage in the external power source, then can change the voltage that the LSI 16 on main printed base plate 10b supplies with in this trial run.
In case under the situation about waiting that in LSI 16, breaks down,, replace from auxiliary earth terminal 79 and accessory power supply terminal 80 and power, can check the fault of power-supply system by grounding jumper 77 and power supply wire jumper 78 are dismantled from main printed base plate 10b.And, by making voltage variable, can just regulate the voltage of supplying with to LSI 16, owing to can easily change the fault occurrence condition, therefore can easily carry out accident analysis.That is, the fault occurrence condition can be changed, the efficient of accident analysis can be improved.And among the 6th embodiment, used CPU 12 also similarly is connected with main printed base plate 10b with above-mentioned LSI 16, and is corresponding with auxiliary printed base plate 20 with above-mentioned wiring, and the wiring that is used for CPU 12 with same structure is with assisting printed base plate.The hardware configuration of other of the 6th embodiment and functional structure are identical to first embodiment shown in Figure 6 with Fig. 1.
First～the 6th embodiment discussed above obviously can distinguish enforcement independently, the situation that the embodiment that also has combination not have exclusive relation implements simultaneously, and, also there is combination not have the situation of whole embodiment of exclusive relation.
Above-mentioned each embodiment is suitable for implementing specific example of the present invention, but not comes in view of the above technical scope of the present invention is carried out determinate explanation.That is, under the situation that does not break away from spirit of the present invention or purport, the present invention can implement with various other forms.

Claims (18)

1. electric apparatus substrate of equipping LSI is equipped with:
Main printed base plate, LSI are equipped in first of conduct surface, apply first and decide first lead of current potential and apply second second lead of deciding current potential to connect up at internal layer with sandwich-like;
LSI through hole group and control through hole, be positioned at this main printed base plate, this LSI is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described LSI, the other end is positioned at second side as the back side of described main printed base plate, this control is connected with described first or second lead with through hole one end, and the other end is positioned at described second side; And
The first auxiliary printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described LSI usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described LSI indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
2. according to the electric apparatus substrate of the described equipment of claim 1 LSI, wherein,
Earthing potential at described first lead is applied under the situation of the signal terminal that applies described control signal, described LSI is with normal operation mode work, the power supply potential of described second lead be applied in and the situation of described signal terminal for open circuit under, described LSI is with test/trial running mode work;
The described control that is positioned at described main printed base plate connects described first lead with an end of through hole.
3. electric apparatus substrate of equipping LSI is equipped with:
Main printed base plate, LSI are equipped in first of conduct surface, apply first and decide first lead of current potential and apply second second lead of deciding current potential to connect up at internal layer with sandwich-like;
LSI uses the through hole group, controls with first through hole, reaches control second through hole, be positioned at described main printed base plate, this LSI is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described LSI, the other end is positioned at second side as the back side of described main printed base plate, this control is connected with described first lead with first through hole, one end, the other end is positioned at described second side, and this control is connected with described second lead with second through hole, one end, and the other end is positioned at described second side;
The first auxiliary printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described LSI usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described LSI indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with first through hole with described control, and equips and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole; And
The second auxiliary printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described LSI usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described LSI indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with second through hole with described control, and equips and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
4. according to the electric apparatus substrate of the described equipment of claim 3 LSI, wherein,
Earthing potential at described first lead is applied under the situation of the signal terminal that applies described control signal, described LSI is with normal operation mode work, the power supply potential of described second lead be applied in and the situation of described signal terminal for open circuit under, described LSI is with test/trial running mode work.
5. according to the electric apparatus substrate of claim 1 any described equipment LSI to the claim 4, wherein,
Described auxiliary printed base plate is equipped with lead, this lead one end connect with the described LSI of described main printed base plate with the pearl that is connected on the auxiliary printed base plate of through hole group joint, the other end comprises the through hole that is used to connect the LSI that appends that is positioned at the rear side of assisting printed base plate.
6. according to the electric apparatus substrate of the described equipment of claim 5 LSI, wherein,
The described LSI that appends is FPGA.
7. according to the electric apparatus substrate of claim 1 any described equipment LSI to the claim 4, wherein,
Described auxiliary printed base plate is equipped with lead, this lead one end connect with the described LSI of described main printed base plate with the pearl that is connected on the auxiliary printed base plate of through hole group joint, the other end comprises the through hole that encapsulation takes place clock rear side, that be used to connect the changeable frequency that appends that is positioned at auxiliary printed base plate, and, at the back side that encapsulation takes place for this clock of assembling of auxiliary printed base plate, be equipped with to be used for controlling this clock the pilot of frequency of encapsulation and connector or the dip switch that is connected with this lead take place.
8. according to the electric apparatus substrate of claim 1 any described equipment LSI to the claim 7, wherein,
In described main printed base plate, have ground connection through hole and power supply through hole, described ground connection through hole one end connects described first lead that applies earthing potential, the other end is positioned at described second side, and described power supply through hole one end connects described second lead that applies power supply potential, and the other end is positioned at described second side;
Described auxiliary printed base plate is equipped with the ground connection that engages with described ground connection through hole to be connected pearl, is connected with power supply that described power supply through hole engages that pearl, an end are connected the pearl connection with this ground connection and the other end be positioned at the rear side of assisting printed base plate the ground connection connecting hole, reach that an end is connected the pearl connection with this power supply and the other end is positioned at the power supply connecting hole of the rear side of assisting printed base plate.
9. according to the electric apparatus substrate of the described equipment of claim 8 LSI, wherein,
The described ground connection connecting hole and the power supply connecting hole of described auxiliary printed base plate are the by-pass capacitor splicing ear.
10. according to the electric apparatus substrate of the described equipment of claim 8 LSI, wherein,
Described auxiliary printed base plate is equipped with external ground terminal that is connected with the described other end that should assist the described ground connection connecting hole of printed base plate and the external power terminal that is connected with the described other end of the described power supply connecting hole that is somebody's turn to do auxiliary printed base plate.
11. an image forms control board, is equipped with:
Main printed base plate, at first equipment image processing LSI as the surface, image I/F, CPU, RAM, and ROM, this image processing LSI is treated to input image data the record view data of the image appearance characteristic of the printer that is suitable for print image on used paper, this image I/F exports this record to printer with view data, this CPU is LSI, be used for controlling the input of view data, handle by the view data that described image processing LSI carries out, reach output to printer, this RAM is used for this CPU and reads and writes data, and this ROM stores the working procedure of this CPU, and, apply first and decide first lead of current potential and apply second second lead of deciding current potential to connect up at internal layer with sandwich-like;
LSI through hole group and control through hole, be positioned at this main printed base plate, this LSI is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described image processing LSI, the other end is positioned at second side as the back side of described main printed base plate, and, this control is connected with described first or second lead with through hole one end, and the other end is positioned at described second side; And
The first auxiliary printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described LSI usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described LSI indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
12. an image forms control board, is equipped with:
Main printed base plate, at first equipment image processing LSI as the surface, image I/F, CPU, RAM, and ROM, this image processing LSI is treated to input image data the record view data of the image appearance characteristic of the printer that is suitable for print image on used paper, this image I/F exports this record to printer with view data, this CPU is LSI, be used for controlling the input of view data, handle by the view data that described image processing LSI carries out, reach output to printer, this RAM is used for this CPU and reads and writes data, and this ROM stores the working procedure of this CPU, and, apply first and decide first lead of current potential and apply second second lead of deciding current potential to connect up at internal layer with sandwich-like;
CPU through hole group and control through hole, be positioned at this main printed base plate, described CPU is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described CPU, the other end is positioned at second side as the back side of described main printed base plate, described control is connected with described first or second lead with through hole one end, and the other end is positioned at described second side; And
The first auxiliary printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described CPU usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described CPU indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
13. an image forms control board, is equipped with:
Main printed base plate, at first equipment image processing LSI as the surface, image I/F, CPU, RAM, and ROM, this image processing LSI is treated to input image data the record view data of the image appearance characteristic of the printer that is suitable for print image on used paper, this image I/F exports this record to printer with view data, this CPU is LSI, be used for controlling the input of view data, handle by the view data that described image processing LSI carries out, reach output to printer, this RAM is used for this CPU and reads and writes data, and this ROM stores the working procedure of this CPU, and, apply first and decide first lead of current potential and apply second second lead of deciding current potential to connect up at internal layer with sandwich-like;
LSI through hole group and control through hole, be positioned at this main printed base plate, this LSI is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described image processing LSI, the other end is positioned at second side as the back side of described main printed base plate, and, this control is connected with described first or second lead with through hole one end, and the other end is positioned at described second side;
LSI assists printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described LSI usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described LSI indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole;
CPU through hole group and control through hole, be positioned at described main printed base plate, described CPU is connected pearl with through hole group one end and engages with the terminal of the bottom surface of described CPU, the other end is positioned at second side as the back side of described main printed base plate, described control is connected with described first or second lead with through hole one end, and the other end is positioned at described second side; And
CPU assists printed base plate, be equipped with first on the surface and connect the pearl and the second connection pearl, among described first connection pearl and the described CPU usefulness through hole group, with the through hole that pearl engages of being connected that applies to the signal terminal of the control signal of the work of described CPU indication normal operation mode or test/trial running mode, the engaged at end of described second side, described second connects pearl engages with through hole with described control, and equipment and this first first through hole that is connected the pearl joint, second be connected second through hole that pearl connects with this, and the lead of this first through hole of connection and this second through hole.
14. form control board according to claim 11 any described image to the claim 13, wherein,
Described main printed base plate also is used for importing the computer of outside or the expanded function I/F of the character image information that facsimile machine provides at first equipment as the surface.
15. form control board according to claim 11 any described image to the claim 14, wherein,
Described image I/F has the function of the view data of input Manuscript scanner instrument output;
Described image processing LSI has the function of the view data of distortion that the image of the view data of proofreading and correct the output of Manuscript scanner instrument reads and the form that is converted to predetermined characteristic.
16. form control board according to claim 11 any described image to the claim 15, wherein,
Described main printed base plate also first equipment as the surface be used for the input-output operation display panel work input, show the operating portion I/F of output.
17. an image processing system is equipped with:
On used paper, form the printer of the image of expression recording image data; And
Form control board according to claim 11 any image of being put down in writing to the claim 16;
Wherein, this image forms the described image I/F of control board to the described record view data of described printer (9) output.
18. an image processing system is equipped with:
On used paper, form the printer of the image of expression recording image data;
Read the Manuscript scanner instrument of the view data of image on the original copy and this image of output expression; And
The image of putting down in writing according to claim 15 forms control board;
Wherein, this image forms the view data of the described image I/F input Manuscript scanner instrument output of control board, to the described record view data of described printer output.
CN 200910003854 2008-02-08 2009-02-06 Electric apparatus substrate, image forming control panel and image forming apparatus Expired - Fee Related CN101504936B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN102215631A (en) * 2010-03-31 2011-10-12 兄弟工业株式会社 Wiring substrate unit and printer including the same
CN105408836A (en) * 2013-08-02 2016-03-16 株式会社理光 Communication device and communication system

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JP6946776B2 (en) 2017-06-26 2021-10-06 株式会社リコー Circuit board

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677050B2 (en) * 1985-04-19 1994-09-28 松下電器産業株式会社 Electronic circuit
JPH11121897A (en) * 1997-10-14 1999-04-30 Fujitsu Ltd Structure and production of printed wiring board mounting a plurality of circuit elements
JP2004193300A (en) * 2002-12-11 2004-07-08 Ricoh Co Ltd Auxiliary package for wiring
JP4876655B2 (en) * 2006-03-20 2012-02-15 日本電気株式会社 Mounting structure and electronic device

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CN102215631A (en) * 2010-03-31 2011-10-12 兄弟工业株式会社 Wiring substrate unit and printer including the same
US8690278B2 (en) 2010-03-31 2014-04-08 Brother Kogyo Kabushiki Kaisha Wiring substrate unit and printer including the same
CN102215631B (en) * 2010-03-31 2014-08-13 兄弟工业株式会社 Wiring substrate unit and printer including the same
CN105408836A (en) * 2013-08-02 2016-03-16 株式会社理光 Communication device and communication system

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