CN202374365U

CN202374365U - Circuit board

Info

Publication number: CN202374365U
Application number: CN2011204512848U
Authority: CN
Inventors: 张焯锋
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority date: 2011-11-15
Filing date: 2011-11-15
Publication date: 2012-08-08
Anticipated expiration: 2021-11-15

Abstract

The utility model discloses a circuit board, which is provided with a plurality of positioning holes including the positioning holes H1 to H4, a positioning hole H1 is adopted as an origin (0, 0), a horizontal line is adopted as an X axis, a vertical line is adopted as a Y axis, a measuring unit is mm, so that a center position of each positioning hole from H1 to H4 is respectively of H1 (0, 0), H2(123, -22), H3 (68, 113) and H4 (0, 55), and the circuit board is also provided with a main control chip, a television radio frequency (RF) decoding module, a simulation audio-video input circuit, a high definition multimedia interface (HDMI) high definition input circuit, a power amplification module and a power supply system. The design of the positioning holes with precise positions is adopted, and a corresponding shell is configured, so that the installation position is scientific to design, the practicability is good, and the circuit board is convenient for customers to install and disassemble.

Description

A kind of circuit board

Technical field

The utility model relates to electronic applications, relates in particular to a kind of circuit board that is used for display device.

Background technology

Traditional circuit board does not adopt the location hole design of exact position for the shell of coupling, and position design is science not, and practicality, versatility are poor, be not easy to client's installation and removal, and the interface number are few, and the integrated circuit board function is low.

The utility model content

The utility model purpose provides a kind of circuit board, adopts the location hole design of exact position, be convenient to installation and removal, and functional interface is many.

A kind of circuit board that the utility model provides is provided with a plurality of location holes above, comprises location hole H1～H4, is initial point (0,0) with location hole H1; Horizontal line is the X axle, and vertical line is the Y axle, and unit of measurement is mm, and the position in said location hole H1～H4 center of circle is respectively: H1 (0; 0), H2 (123 ,-22), H3 (68; 113), H4 (0,55), the site error in said location hole H1～H4 center of circle is ± 2mm.

The length of said circuit board is 132mm, and width is 145mm, and scale error is ± 2mm.The diameter of said location hole H1～H4 is 3.5mm, and scale error is ± 2mm.

As a kind of execution mode, also be provided with a computer VGA input interface on the said circuit board, a SCART input interface; The audio input interface of a computer VGA, a TV RF input interface, a coaxial output interface; A color difference components YPb/Pr input interface, a multimedia input interface, a HDMI input interface; A CI deck, a headset output interface.

As another kind of execution mode, also be provided with a computer VGA input interface on the said circuit board, a color difference components Y input interface; A color difference components PB/CB input interface, a color difference components PR/CR input interface, the audio input interface of a computer VGA; A TV RF input interface, a coaxial output interface, a multimedia input interface; A HDMI input interface, a headset output interface.

Also be provided with main control chip on the said circuit board, TV RF decoder module, analog audio-video input circuit, HDMI high definition input circuit, power amplifier module and power-supply system.

Said circuit board also connects a block power supply plate through acupuncture needle socket coupling, and said power panel is provided with a composite video input interface, an audio frequency R channel input interface, an audio left sound channel input interface.

The circuit board of the utility model adopts the location hole design of exact position, the shell that coupling is corresponding, and the position design science, versatility, practicality are good, are convenient to client's installation and removal.While can be adjusted the interface of difference in functionality according to client's user demand, and the installation number of interface, realizes the circuit board of difference in functionality, has expanded the range of application of integrated circuit board greatly, has practiced thrift cost of manufacture.This circuit board adopts the TV plate to dock design with power panel acupuncture needle socket, has reduced the inner connecting line of complete machine.

Description of drawings

Fig. 1 is the circuit board Facad structure sketch map that the utility model embodiment one provides.

Fig. 2 is the circuit board Facad structure sketch map that the utility model embodiment two provides.

Embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done to describe in detail further below.

Circuit board 100 as shown in Figure 1, that the utility model embodiment one provides is provided with a plurality of location holes above, comprises location hole H1～H4, is initial point (0 with location hole H1; 0), horizontal line is the X axle, and vertical line is the Y axle, and unit of measurement is mm, and the position in said location hole H1～H4 center of circle is respectively: H1 (0; 0), H2 (123 ,-22), H3 (68; 113), H4 (0,55), the site error in said location hole H1～H4 center of circle is ± 2mm.

As a kind of execution mode, also be provided with 4, one SCART input interfaces 5 of a computer VGA input interface on the said circuit board; 7, one coaxial output interfaces 8 of 6, one TV RF of audio input interface input interface of a computer VGA; 10, one HDMI input interfaces 11 of 9, one multimedia input interfaces of a color difference components YPb/Pr input interface; 12, one headset output interface 13 of a CI deck.Said circuit board also connects a block power supply plate 200 through acupuncture needle socket coupling, and said power panel is provided with 2, one audio left sound channels of a composite video input interface 1, one audio frequency R channel input interface input interface 3.

Circuit board 100 as shown in Figure 2, that the utility model embodiment two provides is that with the difference of embodiment one external interface is different.Be on the basis of Fig. 1, to change to the lotus flower terminal to SCART, deletion CI card.The circuit board of embodiment two is provided with a computer VGA input interface, a color difference components Y input interface, a color difference components PB/CB input interface; A color difference components PR/CR input interface, the audio input interface of a computer VGA, a TV RF input interface; A coaxial output interface; A multimedia input interface, a HDMI input interface, a headset output interface.Said circuit board also connects a block power supply plate 200 through acupuncture needle socket coupling, and said power panel is provided with a composite video input interface, an audio frequency R channel input interface, an audio left sound channel input interface.

Claims

1. a circuit board is characterized in that, is provided with a plurality of location holes above, comprises location hole H1～H4, is initial point (0 with location hole H1; 0), horizontal line is the X axle, and vertical line is the Y axle, and unit of measurement is mm, and the position in said location hole H1～H4 center of circle is respectively: H1 (0; 0), H2 (123 ,-22), H3 (68; 113), H4 (0,55), the site error in said location hole H1～H4 center of circle is ± 2mm.

2. according to the said circuit board of claim 1, it is characterized in that the length of said circuit board is 132mm, width is 145mm, and scale error is ± 2mm.

3. according to the said circuit board of claim 1, it is characterized in that the diameter of said location hole H1～H4 is 3.5mm, scale error is ± 2mm.

4. according to the said circuit board of claim 1, it is characterized in that, also be provided with a computer VGA input interface on the said circuit board; A SCART input interface, the audio input interface of a computer VGA, a TV RF input interface; A coaxial output interface, a color difference components YPb/Pr input interface, a multimedia input interface; A HDMI input interface, a CI deck, a headset output interface.

5. according to the said circuit board of claim 1, it is characterized in that, also be provided with a computer VGA input interface on the said circuit board; A color difference components Y input interface, a color difference components PB/CB input interface, a color difference components PR/CR input interface; The audio input interface of a computer VGA, a TV RF input interface, a coaxial output interface; A multimedia input interface, a HDMI input interface, a headset output interface.

6. according to claim 4 or 5 said circuit boards, it is characterized in that, also be provided with main control chip on the said circuit board, TV RF decoder module, analog audio-video input circuit, HDMI high definition input circuit, power amplifier module and power-supply system.

7. according to claim 4 or 5 said circuit boards; It is characterized in that said circuit board also connects a block power supply plate through acupuncture needle socket coupling, said power panel is provided with a composite video input interface; An audio frequency R channel input interface, an audio left sound channel input interface.