JP2006013165A - Printed circuit board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a printed circuit board wherein kinds of components in use can be decreased to bring commonality to the components, the preparation can easily be executed, mistakes of the preparation and of formation of a component list can be reduced, and differences among circuits can be easily understandable. <P>SOLUTION: In the printed circuit board wherein a common circuit 4 is provided to one side of a main board 3 and a SACD circuit or a DVI circuit is provided to a left or right position of the common circuit 4, the arranged location of the SACD circuit or the DVI circuit on the main board 3 is selected to the same position at the left or right position of the common circuit 4, a connector 6 is located upward at an end of the common circuit 4, that is, at an end toward which each circuit is located, and connectors 7, 13 are located laterally at an outer ends of the SACD circuit or the DVI circuit. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a printed circuit board in which a common circuit section is provided on one side of a main board, and a special circuit section such as an SACD circuit section or a DVI circuit section is arranged at either position on the left or right side of the common circuit section. Is.

  Conventionally, as shown in FIGS. 3A, 3B, and 3C, this type of printed circuit board has, for example, a SACD circuit unit 103 provided on the right side of the common circuit unit 102 of the main substrate 101, or the main substrate. The DVI circuit unit 104 is provided on the left side of the common circuit unit 102 of 101.

  For this reason, special circuit units such as the SACD circuit unit 103 and the DVD circuit unit 104 are not on the right side or on the left side with respect to the common circuit 102 of the main board 101, and the used parts are not unified. There was a problem that it was difficult to understand. Also, as shown in the figure, there are many parts to be used by replacing the connector 105 positioned at the center position of both circuit portions with a horizontal one or a vertical one with a horizontal one. There was a problem.

  The first prior art is shown in FIG. As shown in FIG. 4, this prior art includes a first substrate 201 on which circuit components common to a digital television and a digital television set-top box are mounted, and a second substrate on which circuit components according to each application are mounted. And the connection wiring bodies 211, 212, and 213 that electrically connect the first substrate 201 and the second substrate 202 to each other. The first substrate 201 includes a digital processing circuit 204 that receives a signal received by the tuner 203, and connection portions 205, 206, and 207 connected to the connection wiring bodies 211, 212, and 213, respectively, are provided on one side edge portion 201a. It is provided and shared between digital TV and digital TV-set top box. Connection portions 208, 209, and 210 connected to the connection wiring bodies 211, 212, and 213 are provided on one side edge portion 202 a of the second substrate 202. (For example, refer to Patent Document 1).

  However, in this case, the first substrate 201 and the second substrate 202 must be connected by connection wiring bodies 211, 212, and 213. Moreover, the separate connection parts 205, 206, 207 and 208, 209, 210 for this connection were required.

  A second prior art is shown in FIG. As shown in FIG. 5, this prior art includes a main board 302 on which a main circuit component 315 made up of a power supply circuit and a control circuit is mounted, an auxiliary board 303 on which an auxiliary circuit part 307 made up of a display circuit and an operation circuit is mounted, In the circuit board wiring body composed of the main board 302 and the auxiliary board 303 for connecting between the auxiliary boards 303 and incorporated in models of different specifications, only the main circuit component 315 common to each model is mounted on the main board 302. Different main circuit components 315A can be mounted on the auxiliary board 303. (For example, refer to Patent Document 2).

However, in this case, the main board 302 and the auxiliary board 303 must be connected by the connecting means 304.
Japanese Patent Laid-Open No. 2003-61009 JP 2001-85874 A

  The present invention has been made in view of the above-described conventional problems, and can reduce the types of parts to be used and can make parts common, making arrangements easier, making arrangement mistakes, and lists. An object of the present invention is to provide a printed circuit board capable of reducing production errors and making the difference between circuit portions easy to understand.

  The present invention has been proposed in order to solve the above-mentioned problems. The invention according to claim 1 is characterized in that a common circuit portion is provided on one side of the main board, and either of the left and right sides of the common circuit portion is provided. In the printed circuit board in which the SACD circuit unit or the DVI circuit unit is provided at the position, the arrangement position of the SACD circuit unit or the DVI circuit unit on the main substrate is the same position on either the left or right side of the common circuit unit. An upward connector is disposed at an end of the common circuit section, that is, an end on the side where the circuit sections are disposed, and a lateral connector is disposed at an outer end of the SACD circuit section. The lateral connector and the lateral connector at the end of the AV board positioned on the lower side are connected by an FFC cable, and the AV board and the 5.1ch board are connected to each other. It is configured to be connected to an FFC cable, or a lateral connector is disposed at an outer end portion of the DVI circuit portion, and the lateral connector at the end portion of the AV board positioned below the lateral connector. Are connected by an FFC cable.

  According to the second aspect of the present invention, a common circuit section is provided on one side of the main board, and a special circuit section such as an SACD circuit section or a DVI circuit section is arranged at either the left or right position of the common circuit section. The printed circuit board is characterized in that a special circuit unit such as the SACD circuit unit or the DVI circuit unit is disposed at a predetermined position on either the left or right side of the common circuit unit on the main substrate.

  According to the first aspect of the present invention, the common circuit portion is provided on the determined one side of the main board, and the SACD circuit portion or the DVI circuit portion is arranged at the same position on either the left or right side of the common circuit portion. Therefore, the types of parts to be used can be reduced and the parts can be made common. In addition, parts can be easily arranged, arrangement errors and list creation errors can be reduced, and differences in circuit portions can be easily understood.

  According to the second aspect of the present invention, the common circuit section is provided on the determined one side of the main board, and the SACD circuit section or the DVI circuit section or the like is provided at the same position on either side of the common circuit section. Since the circuit portion is arranged, the types of parts to be used can be reduced and the parts can be shared. In addition, parts can be easily arranged, arrangement errors and list creation errors can be reduced, and differences in circuit portions can be easily understood.

  Hereinafter, embodiments of a printed circuit board according to the present invention will be described with reference to the drawings.

  1A and 1B show a state where a DVI circuit is provided on the right side of a common circuit in a printed circuit board according to an embodiment of the present invention. FIG. 1A is a plan view thereof, and FIG. 1B is a front view of an essential part thereof.

  As shown in FIGS. 1A and 1B, the printed circuit board according to the present embodiment has a main board 3 disposed inside a housing composed of a rear cabinet 1 and a front cabinet 2. A common circuit section 4 is disposed on the left side of the main board 3 and a DVI circuit section 5 is disposed on the right side. An upward connector 6 is provided at the boundary between the common circuit unit 4 and the DVI circuit unit 5, and a lateral connector 7 is provided at the right end of the DVI circuit unit 5. An AV board 8 is disposed below the main board 3, and a lateral connector 7 of the DVI circuit unit 5 and a lateral connector 9 at the right end of the AV board 8 are connected by an FFC cable 10. Further, three jacks 11 are arranged in a protruding state from the AV board 8 toward the outside of the rear cabinet 1.

  2A and 2B show a state in which the SACD circuit is provided on the right side of the common circuit in the printed circuit board of the embodiment. FIG. 2A is a plan view thereof, and FIG.

  As shown in FIGS. 2 (a) and 2 (b), in this figure, a main board 3 is arranged inside a housing composed of a rear cabinet 1 and a front cabinet 2. The common circuit section 4 is disposed on the left side of the main board 3 and the SACD circuit section 12 is disposed on the right side. An upward connector 6 is provided at the boundary between the common circuit unit 4 and the SACD circuit unit 12, and a lateral connector 13 is provided at the right end of the SACD circuit unit 12. An AV board 14 is disposed below the main board 3, and a lateral connector 13 of the SACD circuit unit 12 and a lateral connector 15 at the right end of the AV board 14 are connected by an FFC cable 16.

  Further, a 5.1ch substrate 17 is disposed on the right side of the AV substrate 14, and the AV substrate 14 and the 5.1ch substrate 17 are connected to each other by connectors 18 and 19 and an FFC cable 20. In addition, three jacks 21 are disposed in a protruding state from the AV board 14 toward the outside of the rear cabinet 1, and six jacks 22 are also directed from the 5.1ch board 17 toward the outside of the rear cabinet 1. It is arranged in a protruding state.

  Therefore, according to the present embodiment, the common circuit unit 4 is provided on the determined one side (left side) of the main substrate 3, and the SACD circuit unit 12 or the DVI circuit unit 5 is located at the same position on the right side of the common circuit unit 4. Therefore, the types of parts used such as the connector 6 can be reduced and the parts can be shared. In addition, parts can be easily arranged, arrangement errors and list creation errors can be reduced, and differences in circuit portions can be easily understood.

  In the present embodiment, the common circuit unit 4 is disposed on the left side of the main substrate 3 and the SACD circuit unit 12 or the DVI circuit unit 5 is disposed on the right side. However, the common circuit unit 4 is disposed on the main substrate 3. Of course, the SACD circuit unit 12 or the DVI circuit unit 5 may be arranged on the left side. Although the SACD circuit unit 12 and the DVI circuit unit have been described as special circuit units, the present invention is not limited to this, and other special circuit units can of course be applied.

The state which provided the DVI circuit in the right side of the common circuit in the printed circuit board of embodiment of this invention is shown, (a) is the top view, (b) is the front view of the principal part. The state which provided the SACD circuit in the right side of the common circuit in the printed circuit board of embodiment is shown, (a) is the top view, (b) is the front view of the principal part. 1 shows a conventional printed circuit board, where (a) is a front view of the main board, (b) is a front view of a state in which a SACD circuit section is provided on the right side of the common circuit section of the main board, and (c) is the main board. It is a front view of the state in which the DVI circuit part was provided in the left side of the common circuit part of a board | substrate. It is a top view of the conventional board | substrate wiring body. It is a top view of the board wiring object of other conventional examples.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rear cabinet 2 Front cabinet 3 Main board 4 Common circuit part 5 DVI circuit part 6 Upward connector 7 Lateral connector 8 AV board 9 Lateral connector 10 FFC cable 11 Jack 12 SACD circuit part 13 Lateral connector 14 AV board 15 Lateral Connector 16 FFC cable 17 5.1ch board 18 Connector 19 Connector 20 FFC cable 21 Jack 22 Jack

Claims (2)

In a printed circuit board in which a common circuit section is provided on one side of the main board, and a SACD circuit section or a DVI circuit section is provided on either side of the common circuit section, the SACD circuit section on the main board or The DVI circuit unit is disposed at the same position on either the left or right side of the common circuit unit, and an upward connector is disposed at the end of the common circuit unit, that is, the end of the circuit unit. In addition, a lateral connector is disposed on the outer end of the SACD circuit unit, and the lateral connector is connected to the lateral connector at the end of the AV board located below by an FFC cable. The AV board and the 5.1ch board are configured to be connected by a connector and an FFC cable, or horizontally on the outer end of the DVI circuit section. Kino connector is disposed, a printed circuit board and landscape connector end of the AV board to be positioned in the lateral connector and lower side, characterized in that it is connected with FFC cable. In the printed circuit board, a common circuit section is provided on one side of the main board, and a special circuit section such as a SACD circuit section or a DVI circuit section is arranged at either the left or right position of the common circuit section. A special circuit unit such as the SACD circuit unit or the DVI circuit unit is disposed at a predetermined position on either the left or right side of the common circuit unit.

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