CN100461270C - Test system of optical disc machine - Google Patents
Test system of optical disc machine Download PDFInfo
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- CN100461270C CN100461270C CNB2006100740425A CN200610074042A CN100461270C CN 100461270 C CN100461270 C CN 100461270C CN B2006100740425 A CNB2006100740425 A CN B2006100740425A CN 200610074042 A CN200610074042 A CN 200610074042A CN 100461270 C CN100461270 C CN 100461270C
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Abstract
The present invention relates to an optical disk drive testing system. It is characterized by that a test adapter is connected with said optical disk drive and main machine. The optical disk drive contains a connector with signal zone and power supply zone, said signal zone contains signal line and grounding line, and the power supply zone contains two power supply lines, two grounding lines, a connecting detection line and a manufacture test line. Besides, it also contains a central processor, a switcher and a power supply loop. Said invention also provides the working principle of said optical disk drive testing system and its concrete operation method.
Description
Technical field
The relevant a kind of CD player of the present invention, especially about in the CD player in order to expand the test macro of test point.
Background technology
Regulation according to specifications, each pin of the SATA interface (Serial AT Attachment II) of thin optical disc machine (Slim Optical Disk Drive) all has specific function, so that produce specific being connected with main frame such as computing machine, accept the power supply of main frame, and by SATA interface transmission signals, so that and main machine coordination working.
As shown in Figure 1, be the test annexation of known thin optical disc machine 1 with main frame 2.The SATA interface connector 3 of CD player 1, mainly can divide into signaling zone 3a (Singal Segment) and power supply area 3b (Power Segment), wherein signaling zone 3a has two pairs of differential signal lines (DifferentialSignals) and ground wire Gnd (Ground), power supply area 3b then include two pairs of power leads (+5V) with ground wire (Ground), and a joint detection line DP (Device Present Line) and manufacturing test line MD (Manufacturing Diagnostic Line).Simultaneously, the connector 4 of main frame 2 corresponding connections can be divided into signaling zone 4a and power supply area 4b equally, and wherein signaling zone 4a also has two pairs of differential signal lines and ground wire, and power supply area 4b also has two pairs of power leads and ground wire, and a joint detection line DP and a manufacturing test line MD.
Therefore, as long as CD player 1 is connected on the connector of main frame 2 arbitrary identical definition, allow signaling zone to signaling zone, power supply area is connected to power supply area, just can form correct being connected with main frame 2.Power supply area 4b by main frame 2 provides the power supply area 3b of power supply to CD player 1, the loop of joint detection line DP can be detected connector and normally connect, power supply transfers to the electric power loop 5 of CD player 1 again, being given by electric power loop 5 power distribution needs each dynamic component and the central processing unit 6 of powering in the CD player 1, central processing unit 6 is accepted the control signal that main frame 2 is transmitted through signaling zone 4a by signaling zone 3a, control CD player 1 reads the mark on the discs (not shown), and encoding and decoding processing formation digital signal, pass main frame 2 back along signaling zone 3a, 4a.
After making or keeping in repair, for detecting CD machine 1 whether with main frame 2 normal operations, generally be according to need by the fabricator, CD player 1 end manufacturing test line MD is connected in the position of required test, SATA interface connector 3 with CD player 1 is connected with the connector 4 of main frame 2 again, show the signal that the manufacturing test line is transmitted by main frame 2 manufacturing test line MD, whether normal operation of diagnosis CD player 1.Yet according to the specifications regulation, CD player just has only this p-wire, but need to do in regular turn or simultaneously various tests after CD player manufacturing or the maintenance, when testing in regular turn, must over and over again repeat aforementioned testing procedure, constantly test till each test is all finished, quite consuming time.When needs are tested simultaneously, be subject to the single p-wire of CD player again, can only finish in compromise mode.
In addition, the manufacturing test line MD that shows test results is connected in main frame, sometimes whether be applicable to new main frame for the test CD player, the main frame of test may not be certain to have special design circuit for setting up p-wire, perhaps new main frame can show the signal of p-wire especially, always new main frame need be studied again and again, just the mode that the best is set up p-wire can be found out.Therefore, known test system of optical disc machine can not satisfy actual needs, and it is to be solved to still have problem to have.
Summary of the invention
Purpose of the present invention is providing a kind of CD player proving installation, establishes one by CD player inside and switches switch, makes CD player may be selected to be normal or many test interfaces, expands the test interface of CD player, to quicken the CD player test.
Another purpose of the present invention is providing a kind of CD player proving installation, utilizes a test adaptor device, draws p-wire outward, simplifies the test of CD player.
Still a further object of the present invention is providing a kind of CD player proving installation, makes the test adaptor device that the proving installation power supply is provided, and makes things convenient for the test of CD player.
Another object of the present invention is providing a kind of CD player proving installation, p-wire is connected directly to the normal position of testing of CD player, to save the test duration.
In order to reach the purpose of aforementioned invention, CD player proving installation of the present invention, connect CD player and main frame by a test adaptor device, CD player contains the connector with signaling zone and power supply area, signaling zone contains signal wire and ground wire, and power supply area contains two power leads, two ground wires, a joint detection line and a manufacturing test line.One central processing unit contains signal wire and the ground wire pin is connected to connector signal district signal wire and ground wire pin one by one relatively, other contains the manufacturing test line that a test connecting pin is connected in connector, another test connecting pin switches switch through one, select connecting line to be switched to the joint detection line of connector by change-over switch, or be connected to the ground wire of connector power supply area.One electric power loop is provided with power connection points and is connected to connector two power leads, reaches the ground connection tie point and is connected to connector two ground wires, and central processing unit is given in power supply.One test adaptor device, comprise first connector, second connector and test cell, first connector has signaling zone identical with this CD player connector and power supply area pin with second connector, and this second connector is connected in this CD player connector, and test cell comprises two test points.This first connector has signal wire with each signaling zone of second connector and is connected with ground wire is corresponding one by one, each power supply area has the corresponding respectively connection of two power leads+5V, second connector, one ground wire connects two overlap joint ground wires of first connector, another ground wire connects the joint detection line of first connector, the manufacturing test line of first connector forms the sky wiring, and test cell is connected to the joint detection line of second connector and the contact of manufacturing test line.
Description of drawings
Fig. 1 is the test connection diagram of known CD player and main frame.
Fig. 2 is the CD player test connection diagram of first embodiment of the invention.
Fig. 3 is the CD player test connection diagram of second embodiment of the invention.
The main element symbol description
10 first embodiment test adaptor devices
11 first connectors
The 11a signaling zone
The 11b power supply area
12 second connectors
The 12a signaling zone
The 12b power supply area
13 test cells
20 first embodiment CD player
21 connectors
The 21a signaling zone
The 21b power supply area
22 central processing units
23 electric power loops
24 change-over switches
30 main frames
31 connectors
The 31a signaling zone
The 31b power supply area
40 second embodiment test adaptor devices
41 first connectors
42 second connectors
43 test cells
50 second embodiment CD player
51 connectors
52 central processing units
53 electric power loops
DP joint detection line
MD manufacturing test line
A+, A-, B+, B-signal wire
The Gnd ground wire
Connecting pin is gone in GPIO, GPIO 1, GPIO 2 general outputs
RXD, TXD communication interface connecting pin
Embodiment
Relevant the present invention is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof are now lifted preferred embodiment, and conjunction with figs. is illustrated as follows.
Please refer to Fig. 2, be the test annexation figure of first embodiment of the invention.The present invention connects CD player 20 and main frame 30 with test adaptor device 10, the CD player 20 that needs test, be connected with test adaptor device 10 earlier, again test adaptor device 10 is connected to main frame 30, by 20 runnings of main frame 30 control CD player, so that by test adaptor device 10 external testing tool (not shown), whether diagnosis CD player 20 is normal.
Wherein, main frame 30 still is provided with connector 31 according to the regulation of CD player specifications SATA interface, connector 31 can be divided into signaling zone 31a and power supply area 31b equally, wherein signaling zone 31a has two couples of different signal wire A+, A-, B+, B-and ground wire Gnd, and power supply area 31b also has two couples of power lead+5V and ground wire Gnd, and a joint detection line DP and a manufacturing test line MD.
In addition, CD player 20 of the present invention mainly comprises connector 21, central processing unit 22 and electric power loop 23.Wherein connector 21 can be divided into signaling zone 21a and power supply area 21b, signaling zone 21a has two couples of different signal wire A+, A-, B+, B-and ground wire Gnd, signaling zone 12a with respect to second connector 12, power supply area 21b also has two couples of power lead+5V and ground wire Gnd, and a joint detection line DP and a manufacturing test line MD, with respect to the power supply area 12b of second connector 12.22 of central processing units have general output and go into connecting pin GPIO, wherein have the pin of A+, A-, B+, B-signal wire and ground wire Gnd, are connected to signaling zone 21a identical two couples of different signal wire A+, A-, B+, B-and ground wire Gnd one by one relatively.Central processing unit 22 has general output in addition and goes into connecting pin GPIO as test connecting pin GPIO 1 and GPIO 2, connecting pin GPIO 1 is connected to power supply area 21b joint detection line DP, connecting line is therebetween established one and is switched switch 24, change-over switch 24 can select connecting line to connect, or cut off connecting line and make power supply area 21b joint detection line DP be connected to the ground wire Gnd of power supply area 21b, 2 of central processing unit 22 connecting pin GPIO are connected to power supply area 21b manufacturing test line MD.In addition, electric power loop 23 is provided with power supply and ground connection tie point, and power connection points is connected to two power lead+5V of power supply area 21b overlap joint, and the ground connection tie point then is connected to the ground wire Gnd of two overlap joints of power supply area 21b, electric power loop 23 also is connected to central processing unit 22, with power supply.
When CD player 20 needs connection main frame 30 to advance the shape test, at first first connector 11 of test adaptor device 10 is connected to the connector 31 of main frame 30, make signaling zone 11a, power supply area 11b and signaling zone 31a, power supply area 31b relative connection respectively.Again the connector 21 of CD player 20 is connected to second connector 12 of test adaptor device 10, signaling zone 21a, power supply area 21b are connected respectively with signaling zone 12a, power supply area 12b.After the connection, two couples of power lead+5V of main frame 30 power supply area 31b will be communicated to the power connection points of electric power loop 23 via power supply area 11b, power supply area 12b, and power lead+5V such as power supply area 21b, supply with the power supply of CD player 20, by electric power loop 23 power distribution to central processing unit 22.The A+ of central processing unit 22, A-, B+, B-signal wire and ground wire Gnd, the signaling zone 12a and the signaling zone 11a of CD player 20 signaling zone 21a, test adaptor device 10 will be passed through one by one, be connected to signal wire A+, A-, B+, B-and the ground wire Gnd of main frame 30 signaling zone 31a, and can accept the instruction of main frame 30, and output signal to main frame 30.
The joint detection line DP of main frame 30 is connected to the joint detection line DP of test adaptor device 10 power supply area 11b in addition, again to power supply area 12b ground wire Gnd contact, the ground wire Gnd that connects power supply area 21b at last in CD player 20, the ground wire Gnd of power supply area 21b is communicated to power supply area 31b ground wire Gnd and ground connection then in regular turn through ground wire Gnd contacts such as power supply area 12b, power supply area 11b.Therefore, after finishing connection, joint detection line DP is just constituted a loop, keeps joint detection line DP to detect the effect that whether normally connects equally.
When detecting CD machine 20, remove central processing unit 22 connecting pin GPIO 2 through the manufacturing test line MD of power supply area 21b and power supply area 11b contact, be connected to the GPIO 2 of test cell 13, form outside the test point.Elder generation is with the change-over switch 24 of CD player 20 joint detection line DP, switch to the connection connecting line, make the joint detection line contact of central processing unit 22 connecting pin GPIO 1, be connected to the GPIO 1 of test cell 13, form another test point through power supply area 21b and power supply area 11b.Therefore, testing tool just can be external to 13 two test point GPIO 1 of test cell, GPIO 2, tests simultaneously, and the test process of Direct observation CD player makes diagnosis.When finishing detecting CD machine 20, then change-over switch 24 can be switched to the situation of ground connection, and return to the normal condition of former CD player specifications SATA interface regulation.
Therefore, the test system of optical disc machine of present embodiment, just can establish one and switch switch by CD player inside, make CD player can suitably select to switch,, utilize two test points to carry out various tests simultaneously to expand the test interface of CD player, to quicken the CD player test, after finishing test, can make CD player recover back shape again, reach the purpose compatible with specifications.Simultaneously, CD player of the present invention is that p-wire is connected directly to the position that CD player often need be tested, and reduces dismounting and seeks test point, to save the test duration.In addition, the test adaptor device of present embodiment 10 draws p-wire outward, and is fixed in test adaptor device 10, and being easy to various proving installation, for example oscillograph etc. is connected to test point, and is not subjected to the restriction of hosting space, to simplify the test of CD player.
As shown in Figure 3, be the test annexation figure of second embodiment of the invention.Present embodiment connects CD player 50 and main frame 30 with test adaptor device 40, to be connected basic structure similar with the test of first embodiment, wherein main frame 30 connectors 31 are divided into signaling zone 31a and power supply area 31b equally, and identical with the structure of first embodiment, for simplified illustration and continue to use the piece number of first embodiment.In addition, the connector 51 of first connector 41, second connector 42 and the CD player 50 of test adaptor device 40, can divide into signaling zone and power supply area, and signaling zone has two couples of differential signal line A+, A-, B+, B-and ground wire Gnd, and power supply area has two couples of power lead+5V and ground wire Gnd, and one joint detection line DP all identical with the structure of a manufacturing test line MD with first embodiment, see also first embodiment, will not give unnecessary details.
Second embodiment and the first embodiment difference are, the test cell 43 of test adaptor device 40, test cell 43 removes and is provided with two communication interface connecting pin RXD and TXD, to replace 13 two test point GPIO 1 of the first embodiment test cell, GPIO 2, other sets up two contacts such as power lead+5V and ground wire Gnd, power lead+5V contact is connected to the power lead+5V of 42 of first connector 41 and second connectors, and the contact of ground wire Gnd then is connected to the ground wire Gnd of first connector 41 and 42 power supply areas of second connector.
In addition, the second embodiment CD player 50 is provided with structures such as connector 51, central processing unit 52 and electric power loop 53, basically with identical with first embodiment.Difference is that the joint detection line DP of connector 51 is connected directly to the connecting pin RXD of central processing unit 52, does not establish change-over switch therebetween as switching to ground wire Gnd, and manufacturing test line MD then is connected directly to the connecting pin TXD of central processing unit 52.
Therefore, during detecting CD machine 50,, be connected to the connector 31 of main frame 30, again CD player 50 be connected to second connector 42 of test adaptor device 40 equally with first connector 41 of test adaptor device 40.The connecting pin RXD and the TXD of central processing unit 52, can be via second connector 42 of test adaptor device 40, be communicated to the connecting pin RXD and the TXD of test cell 43, testing tool is external to test cell 43 simultaneously, two contacts of the power lead+5V of test cell 43 and ground wire Gnd, just can supply with the testing tool power supply, specific CD player be carried out specific test to make things convenient for testing tool.
The above person, only in order to convenient explanation preferred embodiment of the present invention, scope of the present invention is not limited to this a plurality of preferred embodiments, and is all according to any change that the present invention did, and in not breaking away under the spirit of the present invention, all belongs to the scope of claim of the present invention.
Claims (9)
1. CD player proving installation comprises:
A connector is located at CD player, comprises signaling zone and power supply area, and signaling zone contains signal wire and ground wire, and power supply area contains two power leads, two ground wires, a joint detection line and a manufacturing test line;
One central processing unit, be located in this CD player, contain two test connecting pin, signal wire and ground wire pins, signal wire and ground wire pin are connected to the connector signal district one by one relatively, and a test connecting pin is connected in the manufacturing test line of connector, and another test connecting pin switches the ground wire that switch is connected to joint detection line or power supply area through one;
One electric power loop is located in this CD player, comprises power supply and ground connection tie point, and power connection points is connected to connector two power leads, and the ground connection tie point then is connected to two ground wires, and central processing unit is given in power supply; And
One test adaptor device, comprise first connector, second connector and test cell, first connector has signaling zone identical with this CD player connector and power supply area pin with second connector, and this second connector is connected in this CD player connector, and test cell comprises two test points;
Wherein this first connector has signal wire with each signaling zone of second connector and is connected with ground wire is corresponding one by one, each power supply area has the corresponding respectively connection of two power leads+5V, second connector, one ground wire connects two overlap joint ground wires of first connector, another ground wire connects the joint detection line of first connector, the manufacturing test line of first connector forms the sky wiring, and test cell is connected to the joint detection line of second connector and the contact of manufacturing test line.
2. according to the described CD player proving installation of claim 1, wherein two of this central processing unit test connecting pins are that connecting pin GPIO 1 and GPIO 2 are gone in general output, connecting pin GPIO 1 is connected to this CD player connector joint detection line, and 2 of connecting pin GPIO are connected to the manufacturing test line of this CD player connector power supply area.
3. according to the described CD player proving installation of claim 1, wherein two of this central processing unit test connecting pins are communication interface connecting pin RXD and TXD, connecting pin RXD is connected to this CD player connector joint detection line, and connecting pin TXD then is connected to the manufacturing test line of this CD player connector power supply area.
4. according to the described CD player proving installation of claim 1, wherein these CD player connector two power leads overlap mutually, and two ground wires also overlap mutually.
5. according to the described CD player proving installation of claim 1, wherein this first connector and second connector are located at the opposite side of test adaptor device, and test cell then is located at test adaptor device the 3rd side.
6. according to the described CD player proving installation of claim 3, wherein the test point of this test cell is that connecting pin is gone in two general outputs, be the joint detection line that test point GPIO 1 is connected to second connector, test point GPIO 2 is connected to the manufacturing test line of second connector.
7. according to the described CD player proving installation of claim 1, wherein this test cell further comprises power lead and two contacts of ground wire, the power lead contact is connected to the power lead between first connector and second connector, and the ground wire contact then is connected to the ground wire of power supply area between first connector and second connector.
8. according to the described CD player proving installation of claim 4, wherein the test point of this test cell is two communication interface connecting pins, and promptly test point RXD is connected to the joint detection line of second connector, and test point TXD is connected to the manufacturing test line of second connector.
9. according to the described CD player proving installation of claim 1, further comprise a main frame, the connector that main frame has a SATA interface is connected in this first connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100740425A CN100461270C (en) | 2006-04-04 | 2006-04-04 | Test system of optical disc machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100740425A CN100461270C (en) | 2006-04-04 | 2006-04-04 | Test system of optical disc machine |
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| Publication Number | Publication Date |
|---|---|
| CN101051474A CN101051474A (en) | 2007-10-10 |
| CN100461270C true CN100461270C (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100740425A Expired - Fee Related CN100461270C (en) | 2006-04-04 | 2006-04-04 | Test system of optical disc machine |
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| CN (1) | CN100461270C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907683B (en) * | 2009-06-02 | 2013-05-08 | 上海摩波彼克半导体有限公司 | Automatic circuit testing structure of I2C module in digital baseband chip and method thereof |
| CN102721835B (en) * | 2012-07-03 | 2014-06-04 | 航天科工防御技术研究试验中心 | Test adapter |
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| US4725968A (en) * | 1985-05-14 | 1988-02-16 | Nicolet Instrument Corporation | Disk drive testing method and apparatus |
| CN2480854Y (en) * | 2001-04-28 | 2002-03-06 | 华硕电脑股份有限公司 | Thin type CD driver circuit board tester |
| CN1414662A (en) * | 2001-10-22 | 2003-04-30 | 株式会社东芝 | Connector device and driving device for using connector device |
| CN2599830Y (en) * | 2002-10-15 | 2004-01-14 | 富士康(昆山)电脑接插件有限公司 | Power supply adapter |
| CN2609233Y (en) * | 2003-04-03 | 2004-03-31 | 张成君 | Adapter with SATA interface |
| CN2653745Y (en) * | 2003-08-12 | 2004-11-03 | 高麟国际企业股份有限公司 | High speed transmission composite electric connector for optical disc machine |
| CN2766415Y (en) * | 2004-07-23 | 2006-03-22 | 富士康(昆山)电脑接插件有限公司 | Cable connector assembly |
-
2006
- 2006-04-04 CN CNB2006100740425A patent/CN100461270C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4725968A (en) * | 1985-05-14 | 1988-02-16 | Nicolet Instrument Corporation | Disk drive testing method and apparatus |
| CN2480854Y (en) * | 2001-04-28 | 2002-03-06 | 华硕电脑股份有限公司 | Thin type CD driver circuit board tester |
| CN1414662A (en) * | 2001-10-22 | 2003-04-30 | 株式会社东芝 | Connector device and driving device for using connector device |
| CN2599830Y (en) * | 2002-10-15 | 2004-01-14 | 富士康(昆山)电脑接插件有限公司 | Power supply adapter |
| CN2609233Y (en) * | 2003-04-03 | 2004-03-31 | 张成君 | Adapter with SATA interface |
| CN2653745Y (en) * | 2003-08-12 | 2004-11-03 | 高麟国际企业股份有限公司 | High speed transmission composite electric connector for optical disc machine |
| CN2766415Y (en) * | 2004-07-23 | 2006-03-22 | 富士康(昆山)电脑接插件有限公司 | Cable connector assembly |
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| CN101051474A (en) | 2007-10-10 |
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