CN101039443B - Method for positioning and displaying television function fault of digital television reception terminal - Google Patents
Method for positioning and displaying television function fault of digital television reception terminal Download PDFInfo
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- CN101039443B CN101039443B CN2007101079097A CN200710107909A CN101039443B CN 101039443 B CN101039443 B CN 101039443B CN 2007101079097 A CN2007101079097 A CN 2007101079097A CN 200710107909 A CN200710107909 A CN 200710107909A CN 101039443 B CN101039443 B CN 101039443B
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Abstract
The present invention discloses a position and display method for a TV function failure in a digital TV receiving terminal, which comprises: (1) the digital TV receiving terminal reads a register of a digital TV chip, compares the returned data with the input data, the right one is seemed as success and the wrong one is seemed as failure; the failure is positioned according to the specific position of the failure term, the comparison results are gradually displayed on the terminal screen, and if it is successful, the next step is carried out; (2) the digital TV receiving terminal reads out the measuring values of each parameter received in the digital TV chip, the measuring values are compared with the normal values to determine the receiving capability, if the comparing results are within the error range, the measuring values are qualified, and if the comparing results are outside of the error range, the measuring values are unqualified; the specific failure position is positioned according to the failure terms and the measuring values, and the measuring values and the comparing results are displayed through the terminal screen. The present invention realizes functions of failure auto-position and display to accordingly reduce the failure range.
Description
Technical field
The present invention relates to digital television devices maintenance field, relate in particular to a kind of location and display packing of television function fault of digital television reception terminal.
Background technology
In the production of digital TV terminal, the maintenance of the television function fault of digital TV terminal is absolutely necessary.How rapidly and accurately fault to be positioned, dwindle the scope of maintenance, extremely important for the efficient that improves maintenance.Traditional method for maintaining is by equipment such as universal instrument and oscilloscopes, and the device in the whole printed board is measured one by one, finds out location of fault and keeps in repair.Concrete way and step are as follows:
1) power up to veneer with stabilized voltage power supply, and whether the operating current of observation veneer is normal;
Whether 2) measure the voltage of device on the veneer one by one with universal instrument normal;
3) whether normal with clock frequency and amplitude on the oscilloscope measurement veneer;
4) whether the control signal level of each device of usefulness oscilloscope measurement veneer is normal;
Whether 5) measure the pin resistance of each device with universal instrument normal.
This traditional method for maintaining need be checked on whole plank, progressively dwindle fault coverage, thereby maintenance difficulty is big, and the time of maintenance is long, efficient is low, and the blindness of maintenance is also big.
Summary of the invention
Technical problem to be solved by this invention provides a kind of location and display packing of television function fault of digital television reception terminal, realizes fault is located and Presentation Function automatically, thereby has dwindled scope of failure.
For solving the problems of the technologies described above, the present invention at first provides a kind of localization method of television function fault of digital television reception terminal, it is characterized in that, comprises following steps:
(1.1) described receiving terminal for digital television is read and write the register of digital television chip, then the data returned and the data of input are compared, comparative result is correct thinks success, comparative result is incorrect thinks failure, particular location according to the failure item positions fault, if success is then carried out next step;
(1.2) measured value of each parameter of the reception in the described receiving terminal for digital television reading number TV chip, by measured value and normal value are compared the quality of judging receptivity, result relatively is qualified within error range, outside error range is defective, according to these failures and measured value the particular location of fault is positioned.
The method of the invention, wherein, receiving terminal for digital television is read and write the register of digital television chip described in the step (1.1), comprises the steps:
(2.1) open communication interface between CPU processor and the digital television chip, if success is then carried out next step;
(2.2) arrive digital television chip by CPU processor data download, if success is then carried out next step;
(2.3) send the channel search order by the CPU processor to the Digital Television tuning chip, search for a certain fixedly television channel.
The method of the invention, wherein, step (2.1) resurveys twice altogether if test is again then returned in failure, and wherein any once resurveying successfully enters the next item down test immediately, if resurvey and all fail for twice, just reports the chip data port failure.
The method of the invention, wherein, step (2.2) resurveys twice altogether if test is again then returned in failure, and wherein any once resurveying successfully just enters into the next item down test immediately, if resurvey all failures for twice, just reports the Digital Television demodulation chip that fault is arranged.
The method of the invention, wherein, step (2.3) resurveys twice altogether if test is again then returned in failure, and wherein any once resurveying successfully just enters into the next item down test immediately, if resurvey all failures for twice, with regard to the reporting radio frequency partial circuit fault arranged.
The method of the invention, wherein, step (1.2) resurveys twice altogether if test is again then returned in failure, wherein any once resurveying successfully, following step if resurvey all failures for twice, just reports that respective radio-frequency receives the parameter testing failure as previously mentioned.
The method of the invention, wherein, each parameter that receives described in the step (1.2) comprises TV signal power, received television signal intensity, demodulation bit error rate.
The present invention also provides a kind of location and display packing of television function fault of digital television reception terminal, it is characterized in that, comprises following steps:
(8.1) described receiving terminal for digital television is read and write the register of digital television chip, then the data returned and the data of input are compared, comparative result is correct thinks success, comparative result is incorrect thinks failure, particular location according to the failure item positions fault, and the result that will compare shows on described terminal screen item by item, if success is then carried out next step;
(8.2) measured value of each parameter of the reception in the described receiving terminal for digital television reading number TV chip, by measured value and normal value are compared the quality of judging receptivity, result relatively is qualified within error range, outside error range is defective, according to these failures and measured value the particular location of fault is positioned, and the result of measured value and comparison is shown by described terminal screen together.
The method of the invention, wherein, receiving terminal for digital television is read and write the register of digital television chip described in the step (8.1), comprises the steps:
(9.1) open communication interface between CPU processor and the digital television chip, if success is then carried out next step;
(9.2) arrive digital television chip by CPU processor data download, if success is then carried out next step;
(9.3) send the channel search order by the CPU processor to the Digital Television tuning chip, search for a certain fixedly television channel.
The method of the invention, wherein, step (9.1) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, enter the next item down test immediately, if resurvey and all fail for twice, just report the chip data port failure, simultaneously at terminal screen display chip data-interface test crash.
The method of the invention, wherein, step (9.2) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, just enter into the next item down test immediately, if resurvey all failures for twice, just report the Digital Television demodulation chip that fault is arranged, show Digital Television demodulation chip test crash at terminal screen simultaneously.
The method of the invention, wherein, step (9.3) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, just enter into the next item down test immediately, if resurvey all failures for twice, with regard to the reporting radio frequency partial circuit fault is arranged, show the failure of radio frequency part circuit test at terminal screen simultaneously.
The method of the invention, wherein, step (8.2) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, following step as previously mentioned, if resurvey all failures for twice, just report that respective radio-frequency receives the parameter testing failure, show that at terminal screen each radio frequency receives the test result of parameter simultaneously.
The method of the invention, wherein, each parameter that receives described in the step (8.2) comprises TV signal power, received television signal intensity, demodulation bit error rate.
Compared with prior art, advantage of the present utility model is to realize fault is located and Presentation Function automatically, thereby has dwindled scope of failure, has reduced the difficulty of maintenance, improves the efficient of maintenance.Be convenient to simultaneously fault is classified and added up, to instruct the improvement of producing.
Description of drawings
Fig. 1 is method of testing one an equipment connection diagram of the present invention;
Fig. 2 is method of testing two equipment connection diagrams of the present invention;
Fig. 3 is television function fault of the present invention location and the demonstration software implementation example schematic flow sheet of testing oneself.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the equipment connection diagram of method of testing one of the present invention, digital TV transmitter and digital TV terminal be an external antenna respectively, mode by on-air radio connects, because the wireless transmission loss ratio is bigger, so what the power of transmitter output will be enough is big, to keep suitable distance between transmitter and the terminal, so that can receive enough strong TV signal; Because wireless signal is subjected to extraneous interference ratio bigger, the people walk about and the variation of surrounding environment all can impact the quality of reception, so should keep the stable of test environment as far as possible, what the test errors scope can be suitable relaxes.Can contrast with a measured terminal of matter.
The concrete steps of this method of testing are as follows:
Step 101 downloads to digital TV terminal with the software version of testing oneself of fault location with TV function and demonstration;
Step 102 is opened digital TV transmitter and is play TV programme;
Step 103 is adjusted the reception antenna position, and external in this way telescopic antenna need pull it, and external antenna need connect external antenna in this way;
Step 104 is opened receiving terminal for digital television, presses the TV self-test function key on the television terminal;
Step 105, the screen of observation digital TV terminal, the demonstration success that test is passed through, the demonstration of not passing through failure;
Step 106 is noted the test item and the test result of failure;
Step 107 positions and is presented on the terminal screen according to the failure item of these demonstrations and the measured value particular location to fault.
Fig. 2 is the equipment connection diagram of method of testing two of the present invention, digital TV transmitter is connected with a radio frequency cable with digital TV terminal, the power of noting transmitter output should be arranged within the normal incoming level scope of receiver, adopt wired mode can avoid extraneous interference, the result of test is also more stable, and shortcoming is not have wireless mode convenient.
The concrete steps of this method of testing are as follows:
Step 201 downloads to digital TV terminal with the software version of testing oneself of fault location with TV function and demonstration;
Step 202 connects the antennal interface or the antenna measurement interface of digital TV transmitter and television terminal with a radio frequency cable;
Step 203 is opened digital TV transmitter and is play TV programme;
Step 204 is opened receiving terminal for digital television, presses the TV self-test function key on the television terminal;
Step 205, the screen of observation digital TV terminal, the demonstration success that test is passed through, the demonstration of not passing through failure;
Step 206 is noted the test item and the test result of failure;
Step 207 positions and is presented on the terminal screen according to the failure item of these demonstrations and the measured value particular location to fault.
Fig. 3 is television function fault of the present invention location and the demonstration software implementation example schematic flow sheet of testing oneself, and concrete implementation step is as follows:
Step 301, the test beginning;
Step 302 attempts opening communication interface between digital television chip and the CPU processor, if success enters step 304; Otherwise, return test again, resurvey twice altogether, wherein any once resurveying successfully enters step 304 immediately, if resurvey and all fail for twice, enters step 303A and step 303B;
Step 303A and step 303B report the chip data port failure, simultaneously at terminal screen display chip data-interface test crash, EOT;
Step 304 to digital television chip, if successful, then enters step 306 by CPU processor data download; Otherwise, return test again, resurvey twice altogether, wherein any once resurveying successfully just enters step 306 immediately, if resurvey all failures for twice, enters step 305A and step 305B;
Step 305A and step 305B report the Digital Television demodulation chip that fault is arranged, and show Digital Television demodulation chip test crash, EOT at terminal screen simultaneously;
Step 306 sends the channel search order by the CPU processor to the Digital Television tuning chip, searches for a certain fixedly television channel, if search for successfully, then enters into step 308; Otherwise, return test again, resurvey twice altogether, wherein any once resurveying successfully just enters step 308 immediately, if resurvey all failures for twice, enters step 307A and step 307B;
Step 307A and step 307B, the reporting radio frequency partial circuit has fault, and shows the failure of radio frequency part circuit test, EOT at terminal screen;
Step 308 is printed radio frequency and is received parameter, comprises TV signal power, received television signal intensity, demodulation bit error rate etc., and compare with normal value, be qualified within error range, thinking outside error range is defective, if it is all qualified that all receive parameter, then enter into step 310; Otherwise, return test again, resurvey twice altogether, wherein any once resurveying successfully just enters step 310 immediately, if resurvey all failures for twice, just goes into step 309A and step 309B;
Step 309A and step 309B, the report respective radio-frequency receives the parameter testing failure, and shows that at terminal screen each radio frequency receives the test result of parameter, EOT;
Step 310 reports that above-mentioned all test items pass through, and all test items of demonstration are tested successfully EOT on terminal screen.
The location of a kind of television function fault of digital television reception terminal of the present invention and display packing; be not restricted to listed utilization in specification and the execution mode; concerning the technology of the present invention those of ordinary skill in the field; can be equal to change or replacement accordingly according to technical scheme of the present invention and design thereof; and all these changes or replacement all belong to the protection range of claim of the present invention.
Claims (14)
1. the localization method of a television function fault of digital television reception terminal is characterized in that, comprises following steps:
(1.1) described receiving terminal for digital television is read and write the register of digital television chip, then the data returned and the data of input are compared, comparative result is correct thinks success, comparative result is incorrect thinks failure, particular location according to the failure item positions fault, if success is then carried out next step;
(1.2) measured value of each parameter of the reception in the described receiving terminal for digital television reading number TV chip, by measured value and normal value are compared the quality of judging receptivity, result relatively is qualified within error range, outside error range is defective, according to these failures and measured value the particular location of fault is positioned.
2. the method for claim 1 is characterized in that, receiving terminal for digital television is read and write the register of digital television chip described in the step (1.1), comprises the steps:
(2.1) open communication interface between CPU processor and the digital television chip, if success is then carried out next step;
(2.2) arrive digital television chip by CPU processor data download, if success is then carried out next step;
(2.3) send the channel search order by the CPU processor to the Digital Television tuning chip, search for a certain fixedly television channel.
3. method as claimed in claim 2 is characterized in that, step (2.1) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, enter the next item down test immediately,, just report the chip data port failure if resurvey and all fail for twice.
4. method as claimed in claim 2 is characterized in that, step (2.2) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, just enter into the next item down test immediately,, just report the Digital Television demodulation chip that fault is arranged if resurvey all failures for twice.
5. method as claimed in claim 2 is characterized in that, step (2.3) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, just enter into the next item down test immediately,, fault is arranged with regard to the reporting radio frequency partial circuit if resurvey all failures for twice.
6. the method for claim 1 is characterized in that, step (1.2) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, following step if resurvey all failures for twice, just reports that respective radio-frequency receives the parameter testing failure as previously mentioned.
7. the method for claim 1 is characterized in that, each parameter that receives described in the step (1.2) comprises TV signal power, received television signal intensity, demodulation bit error rate.
8. the location of a television function fault of digital television reception terminal and display packing is characterized in that, comprise following steps:
(8.1) described receiving terminal for digital television is read and write the register of digital television chip, then the data returned and the data of input are compared, comparative result is correct thinks success, comparative result is incorrect thinks failure, particular location according to the failure item positions fault, and the result that will compare shows on described terminal screen item by item, if success is then carried out next step;
(8.2) measured value of each parameter of the reception in the described receiving terminal for digital television reading number TV chip, by measured value and normal value are compared the quality of judging receptivity, result relatively is qualified within error range, outside error range is defective, according to these failures and measured value the particular location of fault is positioned, and the result of measured value and comparison is shown by described terminal screen together.
9. method as claimed in claim 8 is characterized in that, receiving terminal for digital television is read and write the register of digital television chip described in the step (8.1), comprises the steps:
(9.1) open communication interface between CPU processor and the digital television chip, if success is then carried out next step;
(9.2) arrive digital television chip by CPU processor data download, if success is then carried out next step;
(9.3) send the channel search order by the CPU processor to the Digital Television tuning chip, search for a certain fixedly television channel.
10. method as claimed in claim 9, it is characterized in that, step (9.1) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, enter the next item down test immediately, if resurvey and all fail for twice, just report the chip data port failure, simultaneously at terminal screen display chip data-interface test crash.
11. method as claimed in claim 9, it is characterized in that, step (9.2) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, just enter into the next item down test immediately, if resurvey all failures for twice, just report the Digital Television demodulation chip that fault is arranged, show Digital Television demodulation chip test crash at terminal screen simultaneously.
12. method as claimed in claim 9, it is characterized in that, step (9.3) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, just enter into the next item down test immediately, if resurvey all failures for twice, with regard to the reporting radio frequency partial circuit fault is arranged, show the failure of radio frequency part circuit test at terminal screen simultaneously.
13. method as claimed in claim 8, it is characterized in that, step (8.2) is if failure, then return test again, resurvey twice altogether, wherein any once resurveying successfully, following step as previously mentioned, if resurvey all failures for twice, just report that respective radio-frequency receives the parameter testing failure, show that at terminal screen each radio frequency receives the test result of parameter simultaneously.
14. method as claimed in claim 8 is characterized in that, each parameter that receives described in the step (8.2) comprises TV signal power, received television signal intensity, demodulation bit error rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101079097A CN101039443B (en) | 2007-05-15 | 2007-05-15 | Method for positioning and displaying television function fault of digital television reception terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101079097A CN101039443B (en) | 2007-05-15 | 2007-05-15 | Method for positioning and displaying television function fault of digital television reception terminal |
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| CN101039443A CN101039443A (en) | 2007-09-19 |
| CN101039443B true CN101039443B (en) | 2010-08-18 |
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| CN2007101079097A Expired - Fee Related CN101039443B (en) | 2007-05-15 | 2007-05-15 | Method for positioning and displaying television function fault of digital television reception terminal |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101754048B (en) * | 2008-12-10 | 2012-01-25 | 康佳集团股份有限公司 | Method and device for processing fault of television |
| CN101778310A (en) * | 2010-03-02 | 2010-07-14 | 四川长虹电器股份有限公司 | Method for rapidly debugging fault of integrated digital television |
| CN105389239A (en) * | 2015-12-10 | 2016-03-09 | 浪潮电子信息产业股份有限公司 | Method for automatically checking information of Tiansuo K1 system routing module register |
| CN106488317A (en) * | 2016-10-26 | 2017-03-08 | 深圳创维数字技术有限公司 | A kind of reminding method of Set Top Box run-time error and system |
| CN107390658A (en) * | 2017-08-01 | 2017-11-24 | 西安易朴通讯技术有限公司 | The management-control method and system of intelligent terminal production process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319998A (en) * | 2000-12-19 | 2001-10-31 | 四川长虹电器股份有限公司 | Self-check method for TV set |
| CN1586083A (en) * | 2001-11-09 | 2005-02-23 | 松下电器产业株式会社 | Display device, receiver, and test apparatus |
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2007
- 2007-05-15 CN CN2007101079097A patent/CN101039443B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319998A (en) * | 2000-12-19 | 2001-10-31 | 四川长虹电器股份有限公司 | Self-check method for TV set |
| CN1586083A (en) * | 2001-11-09 | 2005-02-23 | 松下电器产业株式会社 | Display device, receiver, and test apparatus |
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