CN213069082U - Detection apparatus for detect TCONLESS mainboard - Google Patents
Detection apparatus for detect TCONLESS mainboard Download PDFInfo
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- CN213069082U CN213069082U CN202021871002.5U CN202021871002U CN213069082U CN 213069082 U CN213069082 U CN 213069082U CN 202021871002 U CN202021871002 U CN 202021871002U CN 213069082 U CN213069082 U CN 213069082U
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Abstract
The utility model provides a detect detection device of TCONLESS mainboard, include: the method comprises the following steps: the adapter plate and the display device; the adapter plate is connected with the display equipment; the adapter plate comprises an input connector and an output connector, when the input connector is connected with the TCONLESS mainboard, the TCONLESS mainboard outputs a detection signal to the input connector, the output connector leads out a VBO signal in the detection signal from the input connector, the display equipment receives the VBO signal and converts the VBO signal into a high-definition multimedia signal through the signal conversion tool, and therefore when the detection is carried out, the display equipment supporting the high-definition multimedia signal can be used for detecting various TCONLESS mainboards, different display equipment is not needed to be adopted when different TCONLESS mainboards are detected, and board detection efficiency is greatly improved.
Description
Technical Field
The utility model relates to a detection area, in particular to detect detection device of TCONLESS mainboard.
Background
At present annual TV sales volume is all huge, the demand of same glass resource is also very big, in order to satisfy the demand that the TV was sold, a machine often can adapt to the display device of a plurality of producers, the cost of the original installation TCON board that adopts the display device producer often can be than higher, in order to reduce the TV set cost, present most display device all adopts TCONLESS mainboard, thus, need detect TCONLESS mainboard, but at present, when examining TCONLESS mainboard, to different TCONLESS mainboards, need different display device to detect, it is very troublesome to lead to examining the volume production board.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a detection apparatus for detecting a TCONLESS motherboard, so as to realize using the same display device to detect different TCONLESS motherboards.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a detect detection device of TCONLESS mainboard, include: the adapter plate and the display device; the adapter plate is connected with the display equipment;
wherein, the keysets includes:
the input connector is used for being connected with a TCONLESS mainboard to be detected and receiving a detection signal output by the TCONLESS mainboard;
and the output connector is connected with the input connector and is used for leading out a VBO signal in the detection signal.
In one implementation, the interposer further includes an IO control circuit, where the IO control circuit is connected to the input connector and is configured to detect whether the input connector is connected to the TCONLESS motherboard.
In one implementation, the input connector includes a first signal terminal group, and the output connector includes a second signal terminal group, and the first signal terminal group is connected to the second signal terminal group.
In one implementation, the interposer further includes a plurality of isolation capacitors;
the first signal end group comprises a plurality of first signal opposite ends, the second signal end group comprises a plurality of second signal opposite ends, and the plurality of first signal opposite ends are in one-to-one correspondence with the plurality of second signal opposite ends; the first signal opposite terminal comprises two first signal terminals, and the second signal opposite terminal comprises two second signal terminals; the signal output by each first signal end is the VBO signal;
for each first signal end, the first signal end is connected with a second signal opposite end corresponding to the first signal end through an isolation capacitor.
In one implementation, the interposer further includes a first resistor and a second resistor; the input connector comprises a first data end and a first control end, and the output connector comprises a second data end and a second control end;
the first data end is connected with the second data end through a first resistor, and the first control end is connected with the second control end through a second resistor.
In one implementation, the input connector is a 68-pin flexible flat cable connector and the output connector is a 51-pin flexible flat cable connector.
In one implementation, the input connector includes a first sub-input connector and a second sub-input connector;
the first sub-input connector is connected with the output connector, and the second sub-output connector is connected with the output connector.
In one implementation, the first sub-input connector and the second sub-input connector are both 60-pin flexible flat cable connectors, and the output connector is a 51-pin flexible flat cable connector.
In one implementation, the detection apparatus further includes a voltage conversion circuit; the input connector and the output connector are both connected with the voltage conversion circuit; the voltage conversion circuit is used for converting the voltage of the TCONLESS mainboard into detection voltage, and the detection voltage is the working voltage of the input connector and the output connector.
In one implementation mode, the display device comprises a display screen and a signal conversion tool, and the adapter plate is connected with the display screen through the signal conversion tool.
Compared with the prior art, the utility model provides a detect detection device of TCONLESS mainboard, include: the adapter plate and the display device; the adapter plate is connected with the display equipment; wherein, the keysets includes: the input connector is used for being connected with a TCONLESS mainboard to be detected and receiving a detection signal output by the TCONLESS mainboard; and the output connector is connected with the input connector and is used for leading out a VBO signal in the detection signal. The utility model discloses in, when input connector and TCONLESS mainboard are connected, TCONLESS mainboard output detected signal to input connector, output connector follows draw forth in the input connector VBO signal among the detected signal, display device converts the VBO signal into high definition multimedia signal, and like this, when detecting, can utilize the display device that supports high definition multimedia signal to detect multiple TCONLESS mainboard, needn't be to when detecting different TCONLESS mainboards, adopt different display device, improved examination board efficiency greatly.
Drawings
Fig. 1 is a block diagram of a detection apparatus for detecting a TCONLESS motherboard according to the present invention;
fig. 2 is a schematic diagram of a detection device in an implementation manner provided by the present invention;
fig. 3 is a schematic diagram of a 68-pin flexible flat cable connector provided by the present invention;
fig. 4 is a schematic diagram of a 51-pin flexible flat cable connector provided by the present invention;
FIG. 5 is a schematic structural view of a detecting device in accordance with an embodiment of the present invention;
fig. 6 is a circuit diagram of an IO control circuit provided by the present invention;
fig. 7 is a schematic diagram of a detection device in another implementation manner provided by the present invention;
fig. 8a is a partial circuit diagram of an IO control circuit in another implementation manner provided by the present invention;
fig. 8b is a circuit diagram of a part of the IO control circuit different from that in fig. 8a in another implementation manner provided by the present invention;
fig. 8c is a partial circuit diagram of an IO control circuit different from those in fig. 8a and 8b according to another implementation manner of the present invention;
fig. 9 is a circuit diagram of a voltage conversion circuit provided by the present invention;
fig. 10 is a schematic structural diagram of the present invention for detecting the first TCONLESS motherboard;
fig. 11 is a schematic structural diagram of the second TCONLESS motherboard.
Detailed Description
The present invention is described in more detail in order to facilitate the explanation of the technical idea, the technical problem solved, the technical features of the technical solution, and the technical effects brought by the present invention. The embodiments are explained below, but the scope of the present invention is not limited thereto. Further, the technical features of the embodiments described below may be combined with each other as long as they do not conflict with each other.
The inventor researches and discovers that the current annual television sales volume is huge, the demand of the same glass resource is very large, in order to meet the demand of going of television sales, a machine often can adapt to the display equipment of a plurality of manufacturers, the cost of the original TCON board of the display equipment manufacturer is often higher, in order to reduce the cost of the television, most of the display equipment adopt TCONLESS mainboard at present, therefore, the TCONLESS mainboard needs to be detected, but at present, when detecting the TCONLESS mainboard, to different TCONLESS mainboards, different display equipment is needed to detect, it is very troublesome to lead to the volume production to detect the board.
In order to solve the above problem, please refer to fig. 1, the present invention provides a detection apparatus for detecting a TCONLESS motherboard, comprising: the adapter board 100 is connected with the display device 200, wherein the adapter board 100 comprises an input connector 110 which is used for being connected with a TCONLESS main board to be detected and receiving a detection signal output by the TCONLESS main board; and the output connector 120 is connected with the input connector 110, and is used for leading out a VBO signal in the detection signal.
In an implementation manner, referring to fig. 2, the display device 200 includes a display screen 201 and a signal conversion tool 202, in a specific implementation, the signal conversion tool 202 is connected to the output connector 120, and the signal conversion tool 202 is configured to convert the VBO signal into a high-definition multimedia signal; the display device 200 is connected to the signal conversion tool 202, and is configured to display content corresponding to the media signal by the high definition, so as to detect the TCONLESS motherboard.
During the concrete implementation, when input connector 110 is connected with the TCONLESS mainboard, TCONLESS mainboard output detection signal to input connector 110, output connector 120 draws the VBO signal in the detection signal, and rethread signal conversion frock 202 converts the VBO signal into the high definition multimedia signal that display screen 201 corresponds, because most display screens 201 all support high definition multimedia signal, consequently, can adopt the different TCONLESS mainboards of same set of detection device detection, needn't be to when detecting different TCONLESS mainboards, adopt different display screens.
Furthermore, the TCONLESS main board comprises a first TCONLESS main board and a second TCONLESS main board; the first TCONLESS mainboard is a TCONLESS mainboard used by a system with a TCON part separated independently; the first TCONLESS mainboard separates TCON partial circuits such as PMIC, Gamma IC, Levelshift and the like integrated on the mainboard, an interface line sequence is defined in the first TCONLESS mainboard, and input ports and output ports of different schemes are arranged on the same TCONLESS mainboard according to different VBO signal output ports compatible with different schemes.
The second TCONLESS main board is a main board used by a system in which the TCONLESS part is integrated on the main board, and for the second TCONLESS main board, compatible signals of two paths of TCONLESS interfaces can be led out in pairs and then switched into a universal signal through the adapter board 100.
In one implementation, when the TCONLESS motherboard is a first TCONLESS motherboard, referring to fig. 3, the input connector 110 is a 68-pin flexible flat cable connector (FFC of 68 pin), and referring to fig. 4, the output connector 120 is a 51-pin flexible flat cable connector (FFC of 51 pin). The input connector comprises a first signal terminal group 101, the output connector comprises a second signal terminal group 301, and the first signal terminal group 101 is connected with the second signal terminal group 301. The detection signal comprises a VBO signal and other control signals output by a TCONLESS mainboard, the VBO signal is led out through an FFC of 68 pins, the VBO signal forms a VBO signal pair in pairs, and the VBO signal in the detection signal is led out to an FFC of 51 pins in pairs through the FFC of 68 pins.
Further, the interposer 100 further includes a plurality of isolation capacitors; the first signal end group comprises a plurality of first signal opposite ends, the second signal end group comprises a plurality of second signal opposite ends, and the plurality of first signal opposite ends are in one-to-one correspondence with the plurality of second signal opposite ends; the first signal opposite terminal comprises two first signal terminals, and the second signal opposite terminal comprises two second signal terminals; the signal output by each first signal end is the VBO signal; for each first signal end, the first signal end is connected with a second signal opposite end corresponding to the first signal end through an isolation capacitor.
In specific implementation, as shown in fig. 3, the ports of the input connector 110 (FFC of 68 pins) include 24 ports: 0+, 0-, 1+, 1-, 2+, 2-, 3+, 3-, 4+, 4-, 5+, 5-, 6+, 6-, 7+, 7-, 8+, 8-, 9+, 9-, 10+, 10-, 11+, 11-, 24 ports may constitute 12 signal pairs, and 8 signal pairs (first signal pair) of the 12 signal pairs may output a VBO signal pair. The first group of signal terminals 101 of the input connector 110 (FFC of 68 pin) comprises a plurality of first signal terminals, respectively: 2+, 2-, 3+, 3-, 4+, 4-, 5+, 5-, 6+, 6-, 7+, 7-, 8+, 8-, 9+, 9-, wherein 2+, 2-constitutes a first signal peer, 3+, 3-constitutes a first signal peer, 4+, 4-constitutes a first signal peer, … …, 9+, 9-constitutes a first signal peer, there are 8 first signal peers in total, 8 first signal peers constitute a first signal peer group 101, and 8 first signal peers can lead out 8 pairs of VBO signals. As shown in fig. 4, the second signal terminal group 301 of the output connector 120 (FFC of 51 pin) includes a plurality of second signal terminals, which are: 2+, 2-, 3+, 3-, 4+, 4-, 5+, 5-, 6+, 6-, 7+, 7-, 8+, 8-, 9+, 9- (two identically labeled ports, e.g., first signal terminal 12+ connected to second signal terminal 12+), likewise, the second signal terminal group 301 includes 8 second signal terminals, and the 8 second signal terminals constitute the second signal terminal group 301.
Further, there are a plurality of isolation capacitors, when there are 8 first signal opposite terminals, there are 16 first signal terminals, and each first signal terminal is connected to the second signal terminal through an isolation capacitor, that is, the number of the isolation capacitors is the same as the number of the first signal terminals, and when there are 8 first signal opposite terminals, there are 16 isolation capacitors. As shown in FIG. 4, the first signal terminal 9-and the second signal terminal 9-are connected through an isolation capacitor c1, the first signal terminal 9+ and the second signal terminal 9+ are connected through an isolation capacitor c2, … …, and the first signal terminal 2+ and the second signal terminal 2+ are connected through an isolation capacitor c 16. The isolation capacitance may be 100 nf.
Further, the interposer 100 further includes a first resistor R1 and a second resistor R2; the input connector 110 comprises a first data end tcon-1 and a first control end tcon-2, the output connector comprises a second data end tcon-11 and a second control end tcon-21, the first data end tcon-1 of the input connector 110 is connected with the second data end tcon-11 of the output connector 120, and the first control end tcon-2 of the input connector 110 is connected with the second control end tcon-21 of the output connector 120.
In another implementation, when the TCONLESS motherboard is a second TCONLESS motherboard, the input connector 110 includes a first sub-input connector and a second sub-input connector; the first sub-input connector is connected to the output connector 120, and the second sub-output connector is connected to the output connector 120. The first sub-input connector and the second sub-input connector are both 60-pin flexible flat cable connectors (60-pin FFC), and the output connector 120 is a 51-pin flexible flat cable connector (50-pin FFC).
In specific implementation, when the TCONLESS main board is the second TCONLESS main board, two 60pin TCONLESS interfaces and one 51pin VBO interface are reserved in the current second TCONLESS main board, and a part of TCONLESS signals are led out by the FFC of the 2-route 60 pin; and outputting the detection signal at the second TCONLESS mainboard, independently leading out 8 pairs of VBO signals in the detection signal to an FFC (flexible flat cable) of 51 pins through the first sub-input connector and the second sub-input connector, and outputting the 8 pairs of VBO signals to the signal transfer tool through the FFC of 51 pins.
In the above two implementation manners, the structure of the interposer 100 is changed for different TCONLESS motherboards, for a first TCONLESS motherboard, the input connector 110 is an FFC of 68 pins, and for a second TCONLESS motherboard, the input connector 110 includes two FFCs of 60 pins. For all first TCONLESS motherboards, the detection can be performed by using the same input connector 110 as the patch panel 100 of a 68pin FFC, and for all second TCONLESS motherboards, the detection can be performed by using the same input connector 110 as the patch panel 100 of two 60pin FFCs.
Further, referring to fig. 5, the interposer 100 further includes an IO control circuit 130, where the IO control circuit 130 is connected to the input connector 110, and is configured to detect whether the input connector 110 is connected to the TCONLESS motherboard 400. When the input connector 110 is connected to the TCONLESS motherboard 400, the TCONLESS motherboard 400 outputs a detection signal when the state change of the IO port is detected by the IO control circuit 130.
Further, referring to fig. 3 and 6, the first terminal a of the input connector 110 is connected to the first terminal a1 of the IO control circuit 130, the second terminal b of the input connector 110 is connected to the second terminal b1 of the IO control circuit 130, and the third terminal c of the input connector 110 is connected to the third terminal c1 of the IO control circuit 130; the fourth terminal d of the input connector 110 is connected to the fourth terminal d1 of the IO control circuit 130.
Further, the IO control circuit 130 includes a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, and an eighth resistor R8; one end of the third resistor R3 is connected to a 3.3V dc power supply, the other end of the third resistor R3 is connected to one end of the fifth resistor R5, the other end of the fifth resistor R5 is the first end a1 of the IO control circuit 130, the other end of the third resistor R3 is further connected to one end of the sixth resistor R6, and the other end of the sixth resistor R6 is the second end b1 of the IO control circuit 130; one end of the fourth resistor R4 is connected to a 3.3V dc power supply, the other end of the fourth resistor R4 is connected to one end of the seventh resistor R7, the other end of the seventh resistor R7 is the third end c1 of the IO control circuit 130, the other end of the fourth resistor R4 is further connected to one end of the eighth resistor R8, and the other end of the eighth resistor R8 is the fourth end d1 of the IO control circuit 130.
In specific implementation, the fifth resistor R5, the sixth resistor R6, the seventh resistor R7 and the eighth resistor R8 are all 0 ohms, and when the adapter board 100 is connected to the TCONLESS main board, the TCONLESS main board reads that the other end of the fifth resistor R5, the other end of the sixth resistor R6, the other end of the seventh resistor R7 and the other end of the eighth resistor R8 are all at high level, and controls to output a control signal.
In another implementation, as shown in fig. 7, the display device 200 only includes the display screen 201 (does not include the signal conversion tool 202), the IO control circuit 130 is directly connected to the display screen 201, and specifically, the IO control circuit 130 is connected to signals of the GMODE0, the GMODE1, BIT _ SEL, AGP _ NSB, and the like of the display screen 201, and sets the level state through hardware. Referring to fig. 8a, 8b and 8c, fig. 8a, 8b and 8c are part of an IO control circuit, respectively; the IO control circuit 130 includes a plurality of voltage dividing circuits, each of which is connected to one signal terminal of the display device 200.
In specific implementation, referring to fig. 8a, 8b, 8c and 4, ports in fig. 4 and fig. 8a, 8b and 8c with the same reference numbers are connected, for example, the fifth terminal (1 in fig. 8 b) of the IO control circuit 130 is connected to the first terminal (1 in fig. 4) of the output connector 120, and the sixth terminal (2 in fig. 8 a) of the IO control circuit 130 is connected to the second terminal (2 in fig. 4) of the output connector 120. The seventh terminal (3 in fig. 8 c) of the IO control circuit 130 is connected to the third terminal (3 in fig. 4) of the output connector 120. The GMODE0 signal of the display screen 201 is connected to the thirteenth terminal (9 in fig. 8 c) of the IO control circuit 130, the GMODE1 signal of the display screen 201 is connected to the twelfth terminal (8 in fig. 8 c) of the IO control circuit 130, the BIT _ SEL signal of the display screen 201 is connected to the twelfth terminal (6 in fig. 8 c) of the IO control circuit 130, and the AGP _ NSB signal of the display screen 201 is connected to the eighth terminal (4 in fig. 8 b) of the IO control circuit 130.
The IO control circuit 130 includes a plurality of voltage dividing circuits, specifically, a voltage dividing circuit is composed of a ninth resistor R9 and a tenth resistor R10, and one end of R10 is connected to the third end of the output connector 120; the eleventh resistor R10 and the twelfth resistor R12 form a voltage divider circuit, and one end of R12 is connected to the fourth end of the output connector 120. The rest of the voltage dividing circuits have similar compositions, and are not described in detail herein.
Further, since the power supply voltage of the TCONLESS motherboard is 12V, and other circuits in the interposer 100 need 3.3V dc voltage, the interposer 100 further includes a voltage conversion circuit, and the input connector 110, the IO control circuit 130, and the output connector 120 are all connected to the voltage conversion circuit; the voltage conversion circuit is configured to convert a voltage of the TCONLESS motherboard into a detection voltage, where the detection voltage is a working voltage of the input connector 110, the IO control circuit 130, and the output connector 120.
Further, referring to fig. 9, the voltage conversion circuit includes a transformer U1, a filter circuit, a feedback circuit, and a regulation circuit. The filter circuit includes a seventeenth capacitor c17, an eighteenth capacitor c18, and a nineteenth capacitor c19 to eliminate power supply ripple. The feedback circuit comprises a twentieth capacitor c20, a twenty-first capacitor c21, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26, a twenty-seventh resistor R27 and a first inductor L1. The voltage stabilizing circuit comprises a twenty-second capacitor c22, a twenty-third capacitor c23, a twenty-fourth capacitor c24, a twenty-fifth capacitor c25 and a twenty-sixth capacitor c 26. The voltage conversion circuit further comprises a power-up circuit, wherein the power-up circuit comprises a twenty-seventh capacitor c27, a twenty-eighth resistor R28, a twenty-ninth resistor R29 and a first diode D1. The power-on circuit supplies power to an enable end EN of the transformer. In the voltage conversion circuit, the type of the transformer U1 is AOZ3111 DI.
The VIN end of the transformer U1 is connected with one end of the seventeenth capacitor c17, one end of the eighteenth capacitor c18 and one end of the nineteenth capacitor c 19; the LX terminal of the transformer U1 is connected to the LX terminal and is connected to one terminal of the first inductor L1 (e.g., SW _ STB shown in fig. 9), the GND terminal of the transformer U1 is grounded, the EPAD terminal of the transformer U1 is grounded, the BST terminal of the transformer U1 is connected to one terminal of the twenty-first capacitor c21, and the other terminal of the twenty-first capacitor c21 is connected to one terminal of the first inductor L1 (e.g., SW _ STB shown in fig. 9); the EN terminal of the transformer U1 is connected to one terminal of the twenty-seventh capacitor c27 (e.g., EN _ STB shown in fig. 9), the NC terminal of the transformer U1 is connected to one terminal of the twenty-seventh resistor R27, and the other terminal of the twenty-seventh resistor R27 is grounded. For other connection modes of the components, please refer to fig. 9.
The TCONLESS mainboard comprises a first TCONLESS mainboard and a second TCONLESS mainboard; the first TCONLESS mainboard is a TCONLESS mainboard used by a system with a TCON part separated independently; the second TCONLESS motherboard is a motherboard for a system in which the TCONLESS portion is integrated on the motherboard.
In specific implementation, when the TCONLESS motherboard is the first TCONLESS motherboard, referring to fig. 10, the input connector is a 68-pin flexible flat cable connector (68-pin FFC cable), and the output connector is a 51-pin flexible flat cable connector (51-pin FFC cable). FFC of 68 pins is connected to the first TCONLESS mainboard, FFC and IO control circuit of 51 pins are connected to FFC of 68 pins, and signal conversion frock is connected to FFC of 51 pins, signal conversion frock is VBO to HDMI frock (convert VBO signal into high definition multimedia signal), and VBO changes HDMI frock and connects the display screen, and the display screen passes through the HDMI line and is connected with VBO changes HDMI frock.
In a specific implementation, when the TCONLESS motherboard is a second TCONLESS motherboard, referring to fig. 11, the input connector includes a first sub-input connector and a second sub-input connector; the first sub-input connector and the second sub-input connector are both 60-pin flexible flat cable connectors (60-pin FFC). The second TCONLESS mainboard is connected with a first sub-input connector (60pin FFC line), the second TCONLESS mainboard is connected with a second sub-output connector (60pin FFC line), and the first sub-input connector is connected with the IO control circuit; the first sub-input connector and the second sub-input connector are connected with an output connector (51pin FFC wire), the 51pin FFC is connected with a signal conversion tool, the signal conversion tool is a VBO-to-HDMI tool (converting VBO signals into high-definition multimedia signals), the VBO-to-HDMI tool is connected with a display screen, and the display screen is connected with the VBO-to-HDMI tool through an HDMI wire.
The utility model provides a detect detection device of TCONLESS mainboard, include: the adapter plate and the display device; the adapter plate is connected with the display equipment; the keysets includes: when the input connector is connected with the TCONLESS mainboard, the TCONLESS mainboard outputs a detection signal to the input connector, the output connector draws a VBO signal in the detection signal from the input connector, and the VBO signal is converted into a high-definition multimedia signal through the display equipment.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (10)
1. A detection device for detecting a TCONLESS mainboard is characterized by comprising: the adapter plate and the display device; the adapter plate is connected with the display equipment;
wherein, the keysets includes:
the input connector is used for being connected with a TCONLESS mainboard to be detected and receiving a detection signal output by the TCONLESS mainboard;
and the output connector is connected with the input connector and is used for leading out a VBO signal in the detection signal.
2. The test device as claimed in claim 1, wherein the interposer further comprises an IO control circuit connected to the input connector for testing whether the input connector is connected to the TCONLESS motherboard.
3. The sensing device of claim 1, wherein the input connector comprises a first set of signal terminals and the output connector comprises a second set of signal terminals, the first set of signal terminals being coupled to the second set of signal terminals.
4. The detection device of claim 3, wherein the interposer further comprises a plurality of isolation capacitors;
the first signal end group comprises a plurality of first signal opposite ends, the second signal end group comprises a plurality of second signal opposite ends, and the plurality of first signal opposite ends are in one-to-one correspondence with the plurality of second signal opposite ends; the first signal opposite terminal comprises two first signal terminals, and the second signal opposite terminal comprises two second signal terminals; the signal output by each first signal end is the VBO signal;
for each first signal end, the first signal end is connected with a second signal opposite end corresponding to the first signal end through an isolation capacitor.
5. The detection device of claim 4, wherein the adapter plate further comprises a first resistor and a second resistor; the input connector comprises a first data end and a first control end, and the output connector comprises a second data end and a second control end;
the first data end is connected with the second data end through a first resistor, and the first control end is connected with the second control end through a second resistor.
6. The device of claim 1, wherein the input connector is a 68-pin flexible flat cable connector and the output connector is a 51-pin flexible flat cable connector.
7. The sensing device of claim 1, wherein the input connector comprises a first sub-input connector and a second sub-input connector;
the first sub-input connector is connected with the output connector, and the second sub-output connector is connected with the output connector.
8. The testing device of claim 7, wherein the first sub-input connector and the second sub-input connector are each 60-pin flexible flat cable connectors, and the output connector is a 51-pin flexible flat cable connector.
9. The detection device of claim 1, further comprising a voltage conversion circuit; the input connector and the output connector are both connected with the voltage conversion circuit; the voltage conversion circuit is used for converting the voltage of the TCONLESS mainboard into detection voltage, and the detection voltage is the working voltage of the input connector and the output connector.
10. The detection device according to claim 1, wherein the display device comprises a display screen and a signal conversion tool, and the adapter plate is connected with the display screen through the signal conversion tool.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113870747A (en) * | 2021-09-24 | 2021-12-31 | 惠州视维新技术有限公司 | Adapter plate and point screen system |
| US20220139347A1 (en) * | 2020-11-02 | 2022-05-05 | Mediatek Singapore Pte. Ltd. | Mainboard, display device, displaying method, and computer readable storage medium |
| CN114999415A (en) * | 2022-05-23 | 2022-09-02 | 深圳康佳电子科技有限公司 | Liquid crystal display device and mainboard thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220139347A1 (en) * | 2020-11-02 | 2022-05-05 | Mediatek Singapore Pte. Ltd. | Mainboard, display device, displaying method, and computer readable storage medium |
| US11842704B2 (en) * | 2020-11-02 | 2023-12-12 | Mediatek Singapore Pte. Ltd. | Mainboard with at least two interfaces to boost performance for connecting different displays and the related device and method |
| CN113870747A (en) * | 2021-09-24 | 2021-12-31 | 惠州视维新技术有限公司 | Adapter plate and point screen system |
| CN113870747B (en) * | 2021-09-24 | 2023-11-14 | 惠州视维新技术有限公司 | Adapter plate and point screen system |
| CN114999415A (en) * | 2022-05-23 | 2022-09-02 | 深圳康佳电子科技有限公司 | Liquid crystal display device and mainboard thereof |
| CN114999415B (en) * | 2022-05-23 | 2024-01-23 | 深圳康佳电子科技有限公司 | Liquid crystal display device and main board thereof |
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