CN103813162A - Television mainboard self-detection method and system - Google Patents
Television mainboard self-detection method and system Download PDFInfo
- Publication number
- CN103813162A CN103813162A CN201310548505.7A CN201310548505A CN103813162A CN 103813162 A CN103813162 A CN 103813162A CN 201310548505 A CN201310548505 A CN 201310548505A CN 103813162 A CN103813162 A CN 103813162A
- Authority
- CN
- China
- Prior art keywords
- interface
- signal circuit
- mainboard
- circuit
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a television mainboard self-detection system. The television mainboard self-detection system comprises an interface original signal circuit, a self-detection signal circuit, a main control unit and a mainboard external input source interface; a first end of the interface original signal circuit is connected with a pin of the mainboard external input source interface; a second end of the interface original signal circuit is connected with a signal detection input end of the main control unit; a local loopback path is formed by the self-detection signal circuit, the interface original signal circuit and the main control unit when no signal line is accessed into the mainboard external input source interface. According to the television mainboard self-detection method and system, an interface detection signal is sent from a self-master-chip of a television mainboard and self-received, contrast is performed to judge whether the signal transmission is abnormal or not and whether the interface junctions are normal or not, and accordingly the detection of the television mainboard is achieved, purchase and access of external devices are reduced, the maintenance cost and the production cost are reduced, and meanwhile misoperation, poor insertion connection and the like caused by complicated operation are avoided.
Description
Technical field
The present invention relates to TV motherboard technical field of measurement and test, relate in particular to a kind of TV motherboard self-sensing method, system.
Background technology
Along with reaching its maturity of TV tech, and competition of the same trade is day by day fierce, and enhancing productivity is to reduce production costs, the important channel of improving the quality of products.In the production process of TV, conventionally need to detect the quality of TV, to guarantee qualified product introduction market.In the prior art, detection to television-quality normally detects complete machine, and need to adopt instrument to detect, this just makes the process of detection quite loaded down with trivial details, because many quality problems of TV are usually on mainboard, when having problem, detection need to change mainboard, thereby, be necessary to develop a set of quickening examination board speed, improve the system of examination board accuracy, make it just can avoid defective item to flow into next procedure at first working procedure, accomplish that prevention and control combine.
The patent No. is " 201120344697.6 ", the Chinese utility model patent that denomination of invention is " rapid detection system of TV SKD " discloses a kind of TV motherboard rapid detection system, comprise a signal source module, one audio frequency output module, one video output module and one detects control module, utilize signal source module to produce standard signal, utilize audio frequency output module to play the audio frequency of mainboard output to be measured, utilize video output module to show the video of mainboard output to be measured, utilize detection control module to control testing process, can improve mainboard detection speed, the substandard product of effectively checking on, improve the production capacity of producing line.
But the operation of the rapid detection system of above-mentioned TV SKD needs external equipment as signal input sources and signal apparatus, can increase and safeguard input and production cost; Patch in addition external equipment and can have the defect that patches bad and complex operation.
Summary of the invention
The object of this invention is to provide a kind of TV motherboard self-sensing method, system, to solve the above-mentioned defect existing in prior art.
For realizing object of the present invention, the invention provides a kind of TV motherboard self-check system, comprising:
The original signal circuit of interface, certainly detect the outside input source interface of signal circuit, main control unit, mainboard;
The original signal circuit first end of described interface is connected with the outside input source interface pin of described mainboard, and the second end is connected with the detection signal input of described main control unit;
When the access of the outside input source interface of described mainboard no signal line, the described pin from detection signal circuit one end is connected with the pin of the first end of the original signal circuit of described interface, when the outside input source interface of described mainboard has holding wire access, the described pin disconnection from detecting the pin of signal circuit one end and the first end of the original signal circuit of described interface, the described other end of signal circuit and the detection signal output of described main control unit of certainly detecting is connected;
When the access of the outside input source interface of described mainboard no signal line, described from detecting signal circuit, the original signal circuit of described interface, described main control unit formation local loopback (loopback) path.
Preferably, the outside input source interface of described mainboard is component interface, and described component interface comprises video interface, and the described signal circuit that certainly detects comprises that described main control unit is mainboard master chip from detecting video circuit, when described video interface accesses without video component holding wire, the pin of the original signal circuit first end of described interface is connected with described video interface pin, the second end is connected with described mainboard master chip detection signal input pin, the described pin from detection video circuit one end is connected with the pin of the original signal circuit first end of described interface, the other end is connected with described mainboard master chip detection signal output pin, described from detecting video circuit, the original signal circuit of described interface, described mainboard master chip forms local loopback (loopback) path.
Preferably, also comprise earphone internal interface, the outside input source interface of described mainboard is audio interface, and described main control unit is mainboard master chip, and the described signal circuit that certainly detects comprises self check survey audio signal circuit, when described audio interface absence of audio component signal line access, the pin of the original signal circuit first end of described interface is connected with described audio interface pin, the pin of the second end is connected with the detection signal input pin of described mainboard master chip, described self check is surveyed audio signal circuit one end and is connected with the pin of the original signal circuit first end of described interface, the other end is connected with described earphone internal interface pin, described earphone internal interface pin is connected with described mainboard master chip audio signal output pin, the original signal circuit of described interface, described mainboard master chip, audio signal circuit is surveyed in described self check, described earphone internal interface, form local loopback (loopback) path.
Correspondingly, a kind of TV motherboard self-sensing method, the interface setting on mainboard is from detecting signal circuit, and the described signal circuit of detection certainly, the original signal circuit of interface, main control unit, the outside input source interface of mainboard form local loopback (loopback) path; Comprise following detecting step:
The 1st step, receives interface from detecting instruction, judges whether the outside input source interface of mainboard has holding wire access, as nothing, enters the 2nd step, if any, stop detecting;
The 2nd step, main control unit is to described from detecting signal circuit transmission interface detection signal, and described interface detection signal by described signal circuit, the outside input source interface of mainboard, the original signal circuit of described interface of certainly detecting, returns to described main control unit successively;
The 3rd step, described main control unit compares received interface detection signal and preset standard range of signal, if exceed preset standard range of signal, judges that described interface connects abnormal, if in described preset standard range of signal, judge that described interface normally works.
Preferably, the outside input source interface of described mainboard is component interface, described component interface comprises video interface, the described signal circuit that certainly detects comprises from detecting video circuit, described main control unit is mainboard master chip, described from detecting video circuit, the original signal circuit of interface, mainboard master chip, video interface, form local loopback (loopback) path; Described the 2nd step specifically comprises, mainboard master chip sends described interface detection signal to described from detecting video circuit, described interface detection signal by described video circuit, video interface, the original signal circuit of interface of certainly detecting, returns to mainboard master chip successively.
Preferably, also comprise that the outside input source interface of described mainboard is component interface, described component interface also comprises audio interface, described main control unit is mainboard master chip, the described signal circuit that certainly detects comprises self check survey audio signal circuit, audio signal circuit, the original signal circuit of interface, earphone internal interface, mainboard master chip, video interface are surveyed in described self check, form local loopback (loopback) path; Described the 2nd step specifically comprises, mainboard master chip is surveyed audio signal circuit to described self check and is sent described interface detection signal, described interface detection signal is surveyed audio signal circuit, audio interface, the original signal circuit of interface by described earphone internal interface, self check successively, returns to mainboard master chip.
Beneficial effect of the present invention is, the present invention is by TV motherboard master chip self transmission interface detection signal, then receive voluntarily, it is abnormal that contrast judges whether signal transmission exists, and then judge that whether interface function is normal, and both completed the detection of TV motherboard, reduce again purchase and the access of external equipment, reduce maintenance cost and production cost, avoided the misoperation causing due to troublesome operation simultaneously and patched the generation of the problem such as bad.
Accompanying drawing explanation
Fig. 1 is method flow diagram provided by the invention;
Fig. 2 is system construction drawing provided by the invention;
The component interface loopback access structure schematic diagram that Fig. 3 provides for the embodiment of the present invention;
Mainboard master chip and video interface self-detection circuit connection diagram that Fig. 4 provides for the embodiment of the present invention;
Mainboard master chip and audio interface self-detection circuit connection diagram a that Fig. 5 provides for the embodiment of the present invention;
Mainboard master chip and audio interface self-detection circuit connection diagram b that Fig. 6 provides for the embodiment of the present invention;
The video interface self-sensing method flow chart that Fig. 7 provides for the embodiment of the present invention;
The audio interface self-sensing method flow chart that Fig. 8 provides for the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
As shown in Figure 1, the invention provides a kind of TV motherboard self-sensing method, interface setting on mainboard is from detecting signal circuit, and the described signal circuit of detection certainly, the original signal circuit of interface, main control unit, the outside input source interface of mainboard form local loopback (loopback) path; Comprise following detecting step:
Step S101, receives interface from detecting instruction, judges whether the outside input source interface of mainboard has holding wire
Access, as nothing, enters S102, if any, stop detecting;
Step S102, main control unit is to described from detecting signal circuit transmission interface detection signal, and described interface detection signal by described signal circuit, the outside input source interface of mainboard, the original signal circuit of described interface of certainly detecting, returns to described main control unit successively;
Step S103, described main control unit compares received interface detection signal and preset standard range of signal, if exceed preset standard range of signal, judges that described interface connects abnormal, if in described preset standard range of signal, judge that described interface normally works.Mainboard master chip receive return after detection signal, can with send contrast judgement from detection signal, then feed back from testing result according to preset rules.
As shown in Figure 2, with above-mentioned TV motherboard self-sensing method correspondingly, the invention provides a kind of TV motherboard self-check system, comprising: certainly detect the outside input source interface 202 of signal circuit 201, mainboard, main control unit 203, the original signal circuit 204 of interface;
The first end of the original signal circuit 204 of described interface is connected with the outside input source interface of described mainboard 202 pins, and the second end is connected with the detection signal input of described main control unit 203;
When the outside input source interface 202 no signal line access of described mainboard, the described pin from detection signal circuit 201 one end is connected with the pin of the first end of the original signal circuit 204 of described interface, when the outside input source interface 202 of described mainboard has holding wire access, the described pin disconnection from detecting the pin of signal circuit 201 one end and the first end of the original signal circuit 204 of described interface, the described other end of signal circuit 204 and the detection signal output of described main control unit 203 of certainly detecting is connected;
When the outside input source interface 202 no signal line access of described mainboard, the described signal circuit 201 of detection certainly, the original signal circuit 204 of described interface, described main control unit 203 form local loopback (loopback) path.
In concrete scheme, the outside input source interface 202 of described mainboard is component interface, and described component interface comprises video interface, and the described signal circuit 201 that certainly detects comprises that described main control unit 203 is mainboard master chip from detecting video circuit, when described video interface accesses without video component holding wire, the pin of the original signal circuit first end of described interface is connected with described video interface pin, the second end is connected with described mainboard master chip detection signal input pin, the described pin from detection video circuit one end is connected with the pin of the original signal circuit first end of described interface, the other end is connected with described mainboard master chip detection signal output pin, described from detecting video circuit, the original signal circuit of described interface, described mainboard master chip forms local loopback (loopback) path.
Preferably, also comprise earphone internal interface, the outside input source interface 202 of described mainboard is audio interface, and described main control unit 203 is mainboard master chip, and the described signal circuit 201 that certainly detects comprises self check survey audio signal circuit, when described audio interface absence of audio component signal line access, the pin of the original signal circuit first end of described interface is connected with described audio interface pin, the pin of the second end is connected with the detection signal input pin of described mainboard master chip, described self check is surveyed audio signal circuit one end and is connected with the pin of the original signal circuit first end of described interface, the other end is connected with described earphone internal interface pin, described earphone internal interface pin is connected with described mainboard master chip audio signal output pin, the original signal circuit of described interface, described mainboard master chip, audio signal circuit is surveyed in described self check, described earphone internal interface, form local loopback (loopback) path.
Take the setting of TV motherboard component interface, from detecting signal circuit, as embodiment, the present invention is described in detail below.
As shown in Figure 3, described component interface comprises video interface and audio interface, the signal circuit of detection certainly that described video interface place arranges is from detecting video circuit, the signal circuit of detection certainly that described audio interface place arranges is that audio signal circuit is surveyed in self check, and described video circuit and described video interface, the original signal circuit of described video interface, the mainboard master chip of certainly detecting connects and composes loop successively; Audio signal circuit is surveyed in described self check and described audio interface, the original signal circuit of audio interface, media circuit, mainboard master chip connect and compose loop successively.
33,36,38 is from detecting video circuit, 31,32,34,35,37 is the original signal circuit of video interface, 311,313 is self check survey audio signal circuit, 39,312 is the original signal circuit of audio interface, 314 is digital signal circuit, 3000,3001,3002 is video interface, and 3003,3004 is audio interface.
As shown in Figure 4, for mainboard master chip and from detecting video circuit connection diagram.Choose 3 I/O mouths of mainboard master chip and certainly detect signal output part as video,
In the time carrying out video interface from testing, mainboard master chip will be sent to from detecting video circuit 33,36,38 places from detecting vision signal, owing at this moment passing through video interface, (31,33), (34,36), the circuit of (37,38) communicates, and can then return to mainboard master chip through 33,36,38 circuit by component interface so certainly detect vision signal.
As shown in Figure 5, Figure 6, the mainboard master chip and the audio interface self-detection circuit connection diagram that provide for the embodiment of the present invention;
Described media circuit refers to the earphone sound out-put circuit of the sound power amplifier chips 51 of mainboard.Survey audio signal circuit 311,313 for self check, can be directly connected with the earphone sound out-put circuit pin of the sound power amplifier chips 51 of mainboard, utilize original earphone sound out-put circuit connection 311,313 to carry out detection signal output.
Similar to video component interface, in earphone interface 52, not (61,311) when plugged earphone line, (62,313) are connected, and can normally carry out audio interface from detecting.After inserting, disconnect, can not carry out from detecting, the earphone of insertion can normally be worked, and normal work herein refers to that earphone provides normal function.
Audio interface is in the time detecting, and master chip is surveyed audio signal by self check and sent to sound power amplifier chips 51, and sound power amplifier chips outputs to earphone interface 52 from earphone voice output path after decoding.Due at this moment, (61,311) (62,313) are connection status, so surveying audio signal, self check can enter 311,313 paths by earphone interface, and now (39,311) (312,313) be also communicating state, so surveying audio signal, self check can pass through again audio interface, thereby further by returning to mainboard master chip, thereby complete the detection certainly of audio interface.
When the outside input source interface of mainboard is not when access interface holding wire, described loopback path is closed, can carry out from detecting; When outside the outside input source interface of mainboard when access interface holding wire, described loopback path disconnects, and the interface signal line of described outer access can be carried out normal signal input service.Particularly, (32,33) (35,36) (38,37) (39,311) (312,313) in component interface are the states that is connected, and Loop Back path is closed like this, can normally carry out from detecting.In the time of access external signal line, above-mentioned interface pin pin is released state, and at this moment Loop Back path disconnects, can not carry out from detecting, but the normally input service of signal of outside access.Above-mentioned can carry out normal signal input service, refers to that component interface can carry out original function.
As shown in Figure 7, the video interface self-sensing method flow chart that the embodiment of the present invention provides comprises the steps:
Step S701, starts video interface self-checking function.
In the embodiment of the present invention, can utilize particularly remote controller key or other control appliances to comprise the function menu that display shows, select to represent button or the function items of video self-checking function, determine and carry out video interface from detecting, jump to step S702.
Step S702, configuration relevant parameter, and will send to from detecting video circuit from detecting vision signal by the parameter mainboard master chip of configuration; Jump to step S703;
Step S703, is received from detection vision signal; Jump to step S704.
Pass through successively mainboard master chip, certainly detect video circuit, video interface, the original signal circuit of interface from detecting vision signal, return to mainboard master chip.
Step S704, judges that whether video interface exists extremely, if so, jumps to step S705; If not, jump to step S706;
The above-mentioned method judging can be, received detection vision signal certainly and preset standard range of signal are compared, if exceed preset standard range of signal, judge that described interface connects abnormal, if in described preset standard range of signal, judge that described interface normally works.
Step S705, video interface is normal, finishes this from detecting;
Step S706, video interface is abnormal, jumps to step S707;
Step S707, investigation main board failure, then re-start detection.
As shown in Figure 8, the audio interface self-sensing method flow chart providing for the embodiment of the present invention.
Step S801, starts audio interface self-checking function.
In the embodiment of the present invention, can utilize particularly remote controller key or other control appliances to comprise the function menu that display shows, select to represent button or the function items of video self-checking function, determine and carry out audio interface from detecting, jump to step S802.
Step S802, configuration relevant parameter, and by configuration parameter mainboard master chip by self check survey audio signal send to self check survey audio signal circuit; Jump to step S803;
Step S803, is received from detection audio signal; Jump to step S804.
Audio interface is in the time detecting, mainboard master chip does not leave pin from output audio signal on audio signal circuit to self check that directly survey, in the present invention in embodiment, utilize sound power amplifier chips AMP NTP7412S, mainboard master chip outputs to earphone interface from earphone voice output path by self check acoustic frequency signal sound power amplifier chips after decoding, then, audio signal is surveyed in self check can enter self check survey audio signal circuit by earphone interface, then, pass through audio interface, through the original signal circuit of interface, last, return to described mainboard master chip.
Step S804, judges that whether video interface exists extremely, if so, jumps to step S805; If not, jump to step S806;
The above-mentioned method judging can be, received self check survey audio signal and preset standard range of signal are compared, if exceed preset standard range of signal, judge that described interface connects abnormal, if in described preset standard range of signal, judge that described interface normally works.
Step S805, audio interface is normal, finishes this from detecting;
Step S806, audio interface is abnormal, jumps to step S807;
Step S807, investigation main board failure, then re-start detection.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a TV motherboard self-check system, is characterized in that, comprising:
The original signal circuit of interface, certainly detect the outside input source interface of signal circuit, main control unit, mainboard;
The original signal circuit first end of described interface is connected with the outside input source interface pin of described mainboard, and the second end is connected with the detection signal input of described main control unit;
When the access of the outside input source interface of described mainboard no signal line, the described pin from detection signal circuit one end is connected with the pin of the first end of the original signal circuit of described interface, when the outside input source interface of described mainboard has holding wire access, the described pin disconnection from detecting the pin of signal circuit one end and the first end of the original signal circuit of described interface, the described other end of signal circuit and the detection signal output of described main control unit of certainly detecting is connected;
When the access of the outside input source interface of described mainboard no signal line, described from detecting signal circuit, the original signal circuit of described interface, described main control unit formation local loopback (loopback) path.
2. TV motherboard self-check system according to claim 1, it is characterized in that, the outside input source interface of described mainboard is component interface, and described component interface comprises video interface, the described signal circuit that certainly detects comprises that described main control unit is mainboard master chip from detecting video circuit; When described video interface accesses without video component holding wire, the pin of the original signal circuit first end of described interface is connected with described video interface pin, second is connected with described mainboard master chip detection signal input pin, the described pin from detection video circuit one end is connected with the pin of the original signal circuit first end of described interface, the other end is connected with described mainboard master chip detection signal output pin, described from detecting video circuit, the original signal circuit of described interface, described mainboard master chip formation local loopback (loopback) path.
3. TV motherboard self-check system according to claim 1 and 2, it is characterized in that, also comprise earphone internal interface, the outside input source interface of described mainboard is audio interface, described main control unit is mainboard master chip, and the described signal circuit that certainly detects comprises self check survey audio signal circuit, when described audio interface absence of audio component signal line access, the pin of the original signal circuit first end of described interface is connected with described audio interface pin, the pin of the second end is connected with the detection signal input pin of described mainboard master chip, described self check is surveyed audio signal circuit one end and is connected with the pin of the original signal circuit first end of described interface, the other end is connected with described earphone internal interface pin, described earphone internal interface pin is connected with described mainboard master chip audio signal output pin, the original signal circuit of described interface, described mainboard master chip, audio signal circuit is surveyed in described self check, described earphone internal interface, form local loopback (loopback) path.
4. a TV motherboard self-sensing method, it is characterized in that, interface setting on mainboard is from detecting signal circuit, and the described signal circuit of detection certainly, the original signal circuit of interface, main control unit, the outside input source interface of mainboard form local loopback (loopback) path; Comprise following detecting step:
The 1st step, receives interface from detecting instruction, judges whether the outside input source interface of mainboard has holding wire access, as nothing, enters the 2nd step, if any, stop detecting;
The 2nd step, main control unit is to described from detecting signal circuit transmission interface detection signal, and described interface detection signal by described signal circuit, the outside input source interface of mainboard, the original signal circuit of described interface of certainly detecting, returns to described main control unit successively;
The 3rd step, described main control unit compares received interface detection signal and preset standard range of signal, if exceed preset standard range of signal, judges that described interface connects abnormal, if in described preset standard range of signal, judge that described interface normally works.
5. TV motherboard self-sensing method according to claim 4, it is characterized in that, the outside input source interface of described mainboard is component interface, described component interface comprises video interface, the described signal circuit that certainly detects comprises from detecting video circuit, described main control unit is mainboard master chip, described from detecting video circuit, the original signal circuit of interface, mainboard master chip, video interface, forms local loopback (loopback) path; Described the 2nd step specifically comprises, mainboard master chip sends described interface detection signal to described from detecting video circuit, described interface detection signal by described video circuit, video interface, the original signal circuit of interface of certainly detecting, returns to mainboard master chip successively.
6. according to the TV motherboard self-sensing method described in claim 4 or 5, it is characterized in that, also comprise that the outside input source interface of described mainboard is component interface, described component interface also comprises audio interface, described main control unit is mainboard master chip, the described signal circuit that certainly detects comprises self check survey audio signal circuit, and audio signal circuit, the original signal circuit of interface, earphone internal interface, mainboard master chip, video interface are surveyed in described self check, form local loopback (loopback) path; Described the 2nd step specifically comprises, mainboard master chip is surveyed audio signal circuit to described self check and is sent described interface detection signal, described interface detection signal is surveyed audio signal circuit, audio interface, the original signal circuit of interface by described earphone internal interface, self check successively, returns to mainboard master chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548505.7A CN103813162B (en) | 2013-11-07 | 2013-11-07 | Television mainboard self-detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548505.7A CN103813162B (en) | 2013-11-07 | 2013-11-07 | Television mainboard self-detection method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103813162A true CN103813162A (en) | 2014-05-21 |
| CN103813162B CN103813162B (en) | 2015-07-08 |
Family
ID=50709295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310548505.7A Expired - Fee Related CN103813162B (en) | 2013-11-07 | 2013-11-07 | Television mainboard self-detection method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103813162B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105893896A (en) * | 2016-03-31 | 2016-08-24 | 中钞海思信息技术(北京)有限公司 | Method and device for achieving self-diagnosis of cash bag scanning door frame |
| CN108521571A (en) * | 2018-04-11 | 2018-09-11 | 上海小蚁科技有限公司 | SDI chip automatic detection methods and device, storage medium, terminal |
| CN111082830A (en) * | 2019-12-27 | 2020-04-28 | 上海艾为电子技术股份有限公司 | Data loopback detection circuit of digital audio interface and digital audio equipment |
| CN113031563A (en) * | 2021-03-05 | 2021-06-25 | 展讯通信（上海）有限公司 | Fault detection system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976484A (en) * | 2006-12-13 | 2007-06-06 | 康佳集团股份有限公司 | Flat-plate television capable of self-detecting and detecting method thereof |
| CN101867840A (en) * | 2009-04-15 | 2010-10-20 | 沈阳同方多媒体科技有限公司 | Television and aging test method for television |
| US20110181312A1 (en) * | 2010-01-26 | 2011-07-28 | Chris Ouslis | Mixed signal integrated circuit, with built in self test and method |
| CN102421011A (en) * | 2011-09-14 | 2012-04-18 | 厦门华侨电子股份有限公司 | Fast detection system of television mainboard |
-
2013
- 2013-11-07 CN CN201310548505.7A patent/CN103813162B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1976484A (en) * | 2006-12-13 | 2007-06-06 | 康佳集团股份有限公司 | Flat-plate television capable of self-detecting and detecting method thereof |
| CN101867840A (en) * | 2009-04-15 | 2010-10-20 | 沈阳同方多媒体科技有限公司 | Television and aging test method for television |
| US20110181312A1 (en) * | 2010-01-26 | 2011-07-28 | Chris Ouslis | Mixed signal integrated circuit, with built in self test and method |
| CN102421011A (en) * | 2011-09-14 | 2012-04-18 | 厦门华侨电子股份有限公司 | Fast detection system of television mainboard |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105893896A (en) * | 2016-03-31 | 2016-08-24 | 中钞海思信息技术(北京)有限公司 | Method and device for achieving self-diagnosis of cash bag scanning door frame |
| CN105893896B (en) * | 2016-03-31 | 2018-12-25 | 中国印钞造币总公司 | A kind of implementation method and device of fortune paper money bag scanning door frame self diagnosis |
| CN108521571A (en) * | 2018-04-11 | 2018-09-11 | 上海小蚁科技有限公司 | SDI chip automatic detection methods and device, storage medium, terminal |
| CN111082830A (en) * | 2019-12-27 | 2020-04-28 | 上海艾为电子技术股份有限公司 | Data loopback detection circuit of digital audio interface and digital audio equipment |
| CN113031563A (en) * | 2021-03-05 | 2021-06-25 | 展讯通信（上海）有限公司 | Fault detection system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103813162B (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103325327B (en) | The detection line of a kind of display panel, display panel | |
| CN103813162B (en) | Television mainboard self-detection method and system | |
| WO2018201763A1 (en) | Test method for connector, device and storage medium | |
| TW201028847A (en) | Fault testing for interconnections | |
| JP2013546229A5 (en) | ||
| US7971110B2 (en) | System and method for testing a serial attached small computer system interface | |
| CN107527425B (en) | A kind of sensor states report method, system, equipment and storage medium | |
| CN108181570A (en) | Chip ground pin continuity testing method and device, readable storage medium storing program for executing | |
| CN106803792A (en) | Data transfer equipment, electric equipment and electric equipment fault diagnosis system | |
| CN103970628A (en) | Automatic detection system and automatic detection method thereof | |
| US9222964B2 (en) | Cable detection in a pin constrained connector | |
| US9502887B2 (en) | Measuring system having at least one field device with at least one display apparatus as well as method for operating same | |
| CN107181538A (en) | A kind of intermediate-freuqncy signal power-sensing circuit and detection method | |
| CN112235708B (en) | Testing system and method for earphone production | |
| US10393790B2 (en) | Method for testing connectivity | |
| US20130234742A1 (en) | Integrated circuit and printed circuit board having receiver testing function | |
| CN202050507U (en) | Video display testing system | |
| CN107703360A (en) | A kind of impedance test system and method for server complete signal link | |
| CN103278763B (en) | The FT test board system of chip and method of testing | |
| CN106449464A (en) | Wafer testing method | |
| CN109752684A (en) | A kind of optical-electric module negative testing method and fault diagnosis method of discrimination | |
| US20130234699A1 (en) | Power supply monitoring system and method thereof | |
| CN109862511A (en) | Fence area monitoring method, device and computer readable storage medium | |
| CN103308844B (en) | The adjustment method of test sample plate, Fault Locating Method, control panel and fixture | |
| CN102890232A (en) | Parallel testing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |