CN207884797U - A kind of television set board testing host and equipment - Google Patents
A kind of television set board testing host and equipment Download PDFInfo
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- CN207884797U CN207884797U CN201820286080.5U CN201820286080U CN207884797U CN 207884797 U CN207884797 U CN 207884797U CN 201820286080 U CN201820286080 U CN 201820286080U CN 207884797 U CN207884797 U CN 207884797U
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Abstract
The utility model belongs to automatization testing technique field, provide a kind of television set board automated test device, pass through main control module receiving voltage detection module, audio collection module, voltage acquisition module, the TV plate board test data to be measured of video adapting module output, output test result after being compared with default qualified data after main control module processing test data, user judges whether the performance of each function module of television set board is qualified according to test result, it is low to solve current manual's testing efficiency, problem of high cost, and simplify current main-stream PC platform automated system structures, keep maintenance and installing and dismounting more convenient.
Description
Technical field
The utility model belongs to automatization testing technique field more particularly to a kind of television set board testing host and sets
It is standby.
Background technology
It is more and more diversified with the function of television set, also higher and higher, electricity is required to the production test of television set board
It needs to complete the detection of the basic functions such as sound, image, button, remote controler before manufacture depending on machine board, these detections have been required for
Just can be carried out at complete machine assembling, but for television set board manufacturer, in order to ensure outgoing must to board into
After row test terminal client is issued again carry out installation test, just it needs to build test platform to mainboard at this time and can carry out, in order to
Television set board is tested for the property in advance, expensive television set board automated test device is generally required, greatly increases
The production cost of television set board manufacturer is added.
In order to reduce cost, television set board manufacturer is often directed to the test of every piece of board on every production line at present
Set for this platform in advance, platform removed again after the completion of test, platform build and the test of television set board is all manually could
It realizes, although however, this artificial mode for building test platform can solve test problem, is wanted in the order for coping with different
It generally requires frequently to change Platform Designing when asking, the problem that efficiency is low, of high cost can be caused at this time.
Utility model content
The utility model aim is to provide a kind of television set board testing host and equipment, is surveyed for solving current manual
Low, the of high cost problem of efficiency is tried, and simplifies test system, improves property easy to use.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of television set board testing host, the TVs
Machine board testing host is connect with television set board to be measured, including：
It is described to the voltage detection module that the voltage signal of the voltage tested point of the television set board to be measured is detected
The input terminal of voltage detection module is connect with the voltage tested point of the television set board to be measured, the voltage detection module it is defeated
Outlet is connect with the input and output enlargement module for data transmission；
The first digital audio and video signals of the television set board output to be measured are received, and to first digital audio and video signals
Carry out the range of decrease be filtered output the second digital audio and video signals audio collection module, the input terminal of the audio collection module with
The audio signal output end of the television set board to be measured connects；
Second digital audio and video signals are converted to the audio repeating module of analog audio signal, the audio repeating mould
The input terminal of block is connect with the output end of the audio collection module；
The LVDS vision signals for display interior connection of the television set board output to be measured are converted to and are used for
The video adapting module of the HDMI video signal of external equipment connection, the input terminal of the video adapting module and the electricity to be measured
Digital video signal output end depending on machine board connects；
The communication module carried out data transmission with the television set board to be measured, the communication module and the TV to be measured
The communication port of machine board connects；
To the relay control module that the supply input of the television set board testing host is controlled, the relay
The input terminal of control module is connect with master control borad relay control output end；
To the voltage acquisition module that the voltage value of the voltage tested point of the television set board to be measured is detected, the electricity
The input terminal of pressure acquisition module is connect with the voltage tested point of the television set board to be measured；
To the subsystem module that the signal of voltage acquisition module output is handled, the input of the subsystem module
End is connect with the output end of the voltage acquisition module；
It receives, processing test signal information, and the main control module of test result, institute is obtained according to the test signal information
State the input terminal of main control module respectively with the input and output enlargement module, the audio repeating module, the video adapting mould
Block, the communication module, the subsystem module and relay control module connection；
The control signal for controlling the main control module output is exported to the analogue-key module of the television set board to be measured,
The analogue-key module is connect by the input and output enlargement module with the main control module, the analogue-key module
Output end is connect with the first input end of the television set board to be measured；
To the display module that the test result of main control module output is shown, the input of the display module
End is connect with the display output end of the main control module.
Preferably, first digital audio and video signals include：Power amplifier signal, headphones sound signal, voice band line output letter
Number, coaxial signal, fiber-optic signal.
Preferably, the voltage signal of the voltage tested point includes：The voltage of power supply system, LED supply voltages,
The gamma voltages of DVD supply voltages, backlight associated voltage, infrared receiving terminal voltage, screen supply voltage, TCON.
Preferably, the audio repeating module is connect with the main control module.
Preferably, the television set board testing host further include by main control module treated test information export to life
The cable network module of management system is produced, the input terminal of the cable network module is exported with the first data of the main control module
End connection, the output end of the cable network module are connect with the data input pin of the production management system.
Preferably, the television set board testing host further includes the Universal Serial Bus Interface mould of extended function module
Block, the Universal Serial Bus Interface module include multiple Universal Serial Bus Interface, the Universal Serial Bus Interface module
It connect and carries out data transmission with the main control module.
Preferably, the television set board testing host further includes voltage protection module, and the voltage protection module is in institute
The input voltage for stating television set board testing host is more than or less than preset voltage value when disconnects the voltage protection module and institute
State the connection between main control module.
Preferably, the television set board testing host further includes being communicated with external system as the main control module
Alternate communication channels reserved communication module, the reserved communication module passes through the subsystem module and the main control module
Connection.
Preferably, the main control module is MSD6A family chips.
In order to solve the above-mentioned technical problem, the utility model also proposed a kind of television set board automated test device,
The television set board automated test device includes television set board testing host as described in any one of the above embodiments.
The utility model provides a kind of television set board testing host, which uses SOC schemes, signal is adopted
The function modules such as collection, conversion, communication are integrated on a mainboard, remove the standalone module of test system in the past, reduce whole body
Product, reduce equipment room wire rod quantity, by main control module receiving voltage detection module, audio collection module, voltage acquisition module,
The TV plate board test data to be measured of video adapting module output, main control module handle after test data with default qualified data
Output test result after being compared, judges whether the function of each function module of television set board is qualified, solves current manual
Low, the of high cost problem of testing efficiency, and simplify current main-stream PC platform automated system structures, make maintenance and installing and dismounting more
Add conveniently.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 1 provides；
Fig. 2 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 2 provides；
Fig. 3 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 3 provides；
Fig. 4 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 4 provides；
Fig. 5 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 5 provides.
Specific implementation mode
In order to make the technical problems to be solved in the utility model, technical solution and advantageous effect be more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
In order to illustrate technical solution described in the utility model, illustrated below by specific embodiment.
Fig. 1 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 1 provides, from Fig. 1
In it can be seen that, the television set board testing host in the present embodiment includes the electricity to the voltage tested point of television set board to be measured
The voltage detection module 1012 that pressure signal is detected, the electricity of the input terminal of voltage detection module 1012 and television set board to be measured
Press tested point connection；Receive the first digital audio and video signals of television set board to be measured output, and to the first digital audio and video signals into
The row range of decrease be filtered output the second digital audio and video signals audio collection module 102, the input terminal of audio collection module 102 with
The audio signal output end of television set board to be measured connects；Second digital audio and video signals are converted to the audio of analog audio signal
The input terminal of interconnecting module 103, audio repeating module 103 is connect with the output end of audio collection module 102；By television set to be measured
Low Voltage Differential Signal (the Low Voltage Differential for display interior connection of board output
Signaling, LVDS) be converted to high-definition multimedia interface (the High Definition connected for external equipment
Multimedia Interface, HDMI) vision signal video adapting module 104, the input terminal of video adapting module 104 with
The digital video signal output end of television set board to be measured connects；The communication module carried out data transmission with television set board to be measured
105, communication module 105 is connect with the communication port of television set board to be measured；To the supply input of television set board testing host
The relay control module 107 controlled, the input terminal of relay control module 107 are connect with external relay；To be measured
The voltage acquisition module 108 that the voltage value of the voltage tested point of television set board is detected, the input of voltage acquisition module 108
End is connect with the voltage tested point of television set board to be measured；The subsystem that the signal that voltage acquisition module 108 exports is handled
System module 106, the input terminal of subsystem module 106 are connect with the output end of voltage acquisition module 108；It receives, processing test letter
Number information, and the main control module 100 of test result, the input terminal point of main control module 100 are obtained according to the test signal information
Not with input and output enlargement module 101, audio repeating module 103, video adapting module 104, communication module 105, subsystem mould
Block 106, relay control module 107 and display module 109 connect；Control the control signal output that main control module 100 exports
To television set board to be measured analogue-key module 1011, analogue-key module 1011 by input and output enlargement module 101 with
Main control module 100 connects, and the output end of analogue-key module 1011 is connect with the first input end of television set board to be measured；To master
The display module 109 that the test result that control module 100 exports is shown, input terminal and the main control module 100 of display module 109
Display output end connection.
In the present embodiment, the main control module 100 in television set board testing host may be used as to television set plate to be measured
Card carries out the equipment control centre of automatic test, and during the test, the television set board testing host in the present embodiment is logical
Specialized protocol sending action instruction code value is crossed to television set board to be measured, at this point, television set board to be measured switches to corresponding lead to
Road realizes the automatic switchover in channel, while being outputed test data by the acquisition of the interface of each function module, and test data is transmitted
To being handled in the main control module 100 as equipment control centre, television set board to be measured has received work during the test
Output digital video signal is to video adapting module 104 after the test signal inputted for the video generator of signal source, by regarding
The LVDS vision signals for display interior connection that television set board to be measured exports are converted to and are used for by frequency interconnecting module 104
The HDMI video signal of external equipment connection is exported into main control module 100, and main control module is believed by the image simulation that will be received
Number with pre-set image analog signal carry out comparison judge whether the Video Out of television set board to be measured qualified, sends simultaneously
Current and voltage signals, push button signalling are detected television set board to be measured.
Television set board to be measured during the test, tests system boot enabling signal source, signal master control borad relay first
Device controls signal and connects process using two level series connected switches, and level-one switch pushes mechanical switch by television set board tooling to be measured and connects
Enter, when tooling pushes in place, television set board testing host receives voltage signal, is closed level-one switch, then delay is default
After time, 100 output relay of main control module of television set board testing host controls signal, and relay control module 107 connects
It is closed secondary switch after receiving relay control signal, relay control module 107 is connect with external relay to TV to be measured
Machine board is powered, and television set board to be measured is started to work after being powered.Television set board to be measured is powered after startup to carry out initially first
Change, then, television set board testing host receive after the communication information that television set board to be measured is sent with television set plate to be measured
Card carries out serial communication, and sends communication port to television set board to be measured and automate switching command, analogue-key module 1011
It is connect with main control module 100 by input and output enlargement module 101, button IR information is sent by analogue-key module 1011,
Then main control module 100 carries out processing and the judgement of test result after receiving feedback information.
In the present embodiment, television set board to be measured can receive the power amplifier sound under the channels ATV/DTV/AV/VGA/HDMI
Frequency output, earpiece audio output, the output of optical fiber audio output, coaxial audio output, ARC audio output, analogue audio frequency, specifically
, for the vision signal of television set board to be measured output, then main control module 100 is directly sent to by video adapting module 104,
Main control module 100 is again handled vision signal, is judged the image quality of television set board to be measured, meanwhile, this is regarded
Frequency signal and test result are shown by display module 109, to observe.
Some other voltage signal in the present embodiment, such as：The voltage of the ports such as voltage, the USB of power supply system, backlight
Equal voltage signals access television set board testing host via television set board tooling needle plate PCB to be measured, and voltage signal is by electricity
Pressure acquisition module 108 carries out the range of decrease and is filtered, and is then delivered to main control module 100, main control module 100 is again to each collection voltages
Judged, whether up to standard is seen.
In the present embodiment, main control module 100 includes main control chip, and main control chip selects the chip series of ARM kernels.Tool
Body, main control module 100 also uses Double Data Rate synchronous DRAM (Double Date Rate, DDR) and master control
Chip carrying connection improves the processing speed of main control chip, while loading embedded memory (Embedded Multi Media
Card, EMMC) it connect to preserve test data with main control chip.Further include power supply system in main control module 100, it should
Power supply system is powered main control chip using chopping depressuring and linear voltage stabilization two ways, in conjunction with the drop of chopping depressuring mode
It presses efficiency high temperature rise small and the good feature of linear voltage stabilization transient response, the processing capacity of main control module 100 is optimized.
As one preferred embodiment of the utility model, the first digital audio and video signals in the present embodiment include：Power amplifier signal,
Headphones sound signal, voice band line output signal, coaxial signal, fiber-optic signal and other audio-video signals.Specifically, surveying
During examination, the first digital audio and video signals are determined according to the audio signal source that user selects.Wherein the first digital audio is believed
Number include that power amplifier signal, headphones sound, line out sound, AV audio and video, coaxial signal, fiber-optic signal are passed by needle plate pinboard
Enter television set board testing host, carrying out the preliminary range of decrease by audio collection module 102 handles to obtain the second digital audio and video signals,
Second digital audio and video signals are carried out using audio repeating module 103 to be converted to analog audio signal, and multi-channel analog
Audio signal is input to main control module 100 by Audio conversion switch conversion for two-way analog audio signal, then by main control module
100 pairs of audio datas are handled, by by audio-frequency indexes and preset audios such as the amplitudes, frequency, distortion of analog audio signal
Index carries out comparison and judges whether the audio output performance of television set board to be measured is up to standard.
As one preferred embodiment of the utility model, the voltage signal of the voltage tested point in the present embodiment includes：Power supply
Voltage, LED supply voltages, DVD supply voltages, backlight associated voltage, infrared receiving terminal voltage, screen supply voltage, the screen of system
The gamma voltages of driving plate (Timer Control Register, TCON).In the present embodiment, the gamma voltages of TCON are
Voltage for circuit calibration.
As one preferred embodiment of the utility model, the present embodiment sound intermediate frequency interconnecting module 103 connects with main control module 100
It connects.In the present embodiment, audio repeating module 103 can also be connect with main control module 100 by needle plate pinboard, pass through needle plate
The external line of testing host and the volume of testing host can be greatly decreased in pinboard, reduce the wire rod quantity of equipment room just
In follow-up maintenance.
Fig. 2 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 2 provides, from Fig. 2
In it can be seen that, the television set board testing host in the present embodiment further includes cable network module 110, specifically, wired network
Network module 110 is used for that treated that test information is exported to production management system by main control module, cable network module 110 it is defeated
Enter end to connect with the first data output end of main control module 100, the output end of cable network module 110 and production management system
Data input pin connects.
Fig. 3 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 3 provides, from Fig. 3
In it can be seen that, the television set board testing host in the present embodiment further includes the universal serial bus for extended function module
Interface module 111, the Universal Serial Bus Interface module 111 include multiple Universal Serial Bus Interface, the universal serial bus
Interface module 111 is connect with main control module 100 to be carried out data transmission.
Fig. 4 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 4 provides, from Fig. 4
In it can be seen that, the television set board testing host in the present embodiment further includes the voltage protection for protecting main control module 100
Module 112, voltage protection module 112 is more than in the voltage signal for inputting main control module 100 or less than preset voltage value when disconnects
The input of voltage signal, voltage protection module 112 are connect with main control module 100.
Fig. 5 is a kind of structural schematic diagram for television set board testing host that the utility model embodiment 5 provides, from Fig. 5
In it can be seen that, the television set board testing host in the present embodiment further includes being carried out as main control module 100 and external system
The reserved communication module 113 of the alternate communication channels of communication, the reserved communication module 113 pass through subsystem module 106 and master control
Module 100 connects.
In order to solve the above-mentioned technical problem, the utility model also proposed a kind of television set board automated test device,
The television set board automated test device includes the television set board testing host described in any of the above-described embodiment.
The PC general-purpose platform automatization test systems that current main-stream uses, separate module is more, and volume is big, and wire rod is more and random,
Not easy care, inconvenience are installed and used and are dismantled.In the testing host of the utility model, one piece of master control integrated signal acquisition conversion
Module, and have the function of processing analysis and output display, and be easily installed dismounting and safeguard.
The utility model provides a kind of television set board testing host, which uses SOC schemes, signal is adopted
The function modules such as collection, conversion, communication are integrated on a mainboard, remove the standalone module of test system in the past, reduce whole body
Product, reduce equipment room wire rod quantity, by main control module receiving voltage detection module, audio collection module, voltage acquisition module,
The TV plate board test data to be measured of video adapting module output, main control module handle after test data with default qualified data
Output test result after being compared, judges whether the function of each function module of television set board is qualified, solves current manual
Low, the of high cost problem of testing efficiency.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of television set board testing host, the television set board testing host is connect with television set board to be measured, special
Sign is that the television set board testing host includes：
To the voltage detection module that the voltage signal of the voltage tested point of the television set board to be measured is detected, the voltage
The input terminal of detection module is connect with the voltage tested point of the television set board to be measured, the output end of the voltage detection module
It is connect with the input and output enlargement module for data transmission；
The first digital audio and video signals of the television set board output to be measured are received, and first digital audio and video signals are carried out
The range of decrease be filtered output the second digital audio and video signals audio collection module, the input terminal of the audio collection module with it is described
The audio signal output end of television set board to be measured connects；
Second digital audio and video signals are converted to the audio repeating module of analog audio signal, the audio repeating module
Input terminal is connect with the output end of the audio collection module；
The LVDS vision signals for display interior connection of the television set board output to be measured are converted to for outside
The video adapting module of the HDMI video signal of equipment connection, the input terminal of the video adapting module and the television set to be measured
The digital video signal output end of board connects；
The communication module carried out data transmission with the television set board to be measured, the communication module and the television set plate to be measured
The communication port of card connects；
To the relay control module that the supply input of the television set board testing host is controlled, the relay control
The input terminal of module is connect with master control borad relay control output end；
To the voltage acquisition module that the voltage value of the voltage tested point of the television set board to be measured is detected, the voltage is adopted
The input terminal of collection module is connect with the voltage tested point of the television set board to be measured；
To the subsystem module that is handled of signal of voltage acquisition module output, the input terminal of the subsystem module with
The output end of the voltage acquisition module connects；
It receives, processing test signal information, and the main control module of test result, the master is obtained according to the test signal information
Control module input terminal respectively with the input and output enlargement module, the audio repeating module, the video adapting module, institute
State communication module, the subsystem module and relay control module connection；
The control signal for controlling the main control module output is exported to the analogue-key module of the television set board to be measured, described
Analogue-key module is connect by the input and output enlargement module with the main control module, the output of the analogue-key module
End is connect with the first input end of the television set board to be measured；
To the display module that is shown of the test result of main control module output, the input terminal of the display module with
The display output end of the main control module connects.
2. television set board testing host as described in claim 1, which is characterized in that the first digital audio and video signals packet
It includes：Power amplifier signal, headphones sound signal, voice band line output signal, coaxial signal, fiber-optic signal.
3. television set board testing host as described in claim 1, which is characterized in that the voltage of the voltage tested point
Signal includes：The voltage of power supply system, LED supply voltages, DVD supply voltages, backlight associated voltage, infrared receiving terminal voltage,
Shield the gamma voltages of supply voltage, TCON.
4. television set board testing host as described in claim 1, which is characterized in that the audio repeating module and the master
Control module connection.
5. television set board testing host as described in claim 1, which is characterized in that the television set board testing host is also
Include by main control module treated test information export to the cable network module of production management system, the cable network mould
The input terminal of block is connect with the first data output end of the main control module, output end and the life of the cable network module
Produce the data input pin connection of management system.
6. television set board testing host as described in claim 1, which is characterized in that the television set board testing host is also
Universal Serial Bus Interface module including extended function module, the Universal Serial Bus Interface module include multiple general strings
Row bus interface, the Universal Serial Bus Interface module is connect with the main control module to be carried out data transmission.
7. television set board testing host as described in claim 1, which is characterized in that the television set board testing host is also
Including voltage protection module, the voltage protection module is more than or is less than in the input voltage of the television set board testing host
The connection between the voltage protection module and the main control module is disconnected when preset voltage value.
8. television set board testing host as described in claim 1, which is characterized in that the television set board testing host is also
Include the reserved communication module of the alternate communication channels communicated with external system as the main control module, it is described reserved logical
Letter module is connect by the subsystem module with the main control module.
9. television set board testing host as described in claim 1, which is characterized in that the main control module is MSD6A series
Chip.
10. a kind of television set board automated test device, which is characterized in that the television set board automated test device packet
Include television set board testing host as described in any one of claim 1 to 9.
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| CN201820286080.5U CN207884797U (en) | 2018-02-28 | 2018-02-28 | A kind of television set board testing host and equipment |
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| CN201820286080.5U CN207884797U (en) | 2018-02-28 | 2018-02-28 | A kind of television set board testing host and equipment |
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| CN207884797U true CN207884797U (en) | 2018-09-18 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131816A (en) * | 2020-02-18 | 2020-05-08 | 深圳市金锐显数码科技有限公司 | Television board card digital audio signal detection device |
| CN111901589A (en) * | 2020-07-29 | 2020-11-06 | 深圳市泰霖科技有限公司 | Automatic test system for television mainboard |
| CN112130797A (en) * | 2020-09-22 | 2020-12-25 | 北京计算机技术及应用研究所 | Internal and external display switching circuit suitable for notebook computer |
| CN114595147A (en) * | 2022-02-24 | 2022-06-07 | 珠海海奇半导体有限公司 | Smart screen based debugging system and testing method thereof |
| CN114915549A (en) * | 2022-05-11 | 2022-08-16 | 深圳创维－Rgb电子有限公司 | Instruction query method, device, equipment and storage medium |
| CN115825704A (en) * | 2023-02-14 | 2023-03-21 | 深圳新智联软件有限公司 | Method, device, system, equipment and medium for testing projection mainboard |
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2018
- 2018-02-28 CN CN201820286080.5U patent/CN207884797U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131816A (en) * | 2020-02-18 | 2020-05-08 | 深圳市金锐显数码科技有限公司 | Television board card digital audio signal detection device |
| CN111901589A (en) * | 2020-07-29 | 2020-11-06 | 深圳市泰霖科技有限公司 | Automatic test system for television mainboard |
| CN112130797A (en) * | 2020-09-22 | 2020-12-25 | 北京计算机技术及应用研究所 | Internal and external display switching circuit suitable for notebook computer |
| CN112130797B (en) * | 2020-09-22 | 2024-01-30 | 北京计算机技术及应用研究所 | Internal and external display switching circuit suitable for notebook |
| CN114595147A (en) * | 2022-02-24 | 2022-06-07 | 珠海海奇半导体有限公司 | Smart screen based debugging system and testing method thereof |
| CN114595147B (en) * | 2022-02-24 | 2023-05-09 | 珠海海奇半导体有限公司 | Intelligent screen-based debugging system and testing method thereof |
| CN114915549A (en) * | 2022-05-11 | 2022-08-16 | 深圳创维－Rgb电子有限公司 | Instruction query method, device, equipment and storage medium |
| CN114915549B (en) * | 2022-05-11 | 2024-03-22 | 深圳创维－Rgb电子有限公司 | Instruction query method, device, equipment and storage medium |
| CN115825704A (en) * | 2023-02-14 | 2023-03-21 | 深圳新智联软件有限公司 | Method, device, system, equipment and medium for testing projection mainboard |
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