Hisense LCD TV blue screen summary and maintenance program



Hisense LCD TV blue screen how to do? In order to facilitate everyone to find out the reason of Hisense TV blue screen, the author has collated several examples of more common Hisense television blue screens and provided targeted solutions. A friend who likes may wish to have more to see.

Phenomenon 1: Hisense TV always shows a blue screen when it is turned on, and there is no color when playing TV programs.


Solution: Press the "Menu key" and select "Image Settings" - "Image" - "Color", or press the "Image Mode" button on the remote control.

Phenomenon 2: The touch screen button of Hisense TV is accidentally touched and the TV becomes blue screen


Solution: It is likely to be a signal source input problem. You can try the video source, S-Video, VGA, and so on by setting the “Source” input on the remote control. If it is not a signal source, check if the antenna connection is normal. As far as these two possibilities are concerned, it cannot be a TV quality issue.

Phenomenon 3: Blue bars appear when Hisense TV is connected to a computer


Solution: Generally speaking, when connecting Hisense TV with a PC, it is necessary to turn on the TV power first, set the TV receiving signal mode, and then turn on the PC. Hisense TV has an automatic tracking function that automatically fills the screen according to the settings of the PC.


If your PC dual screen mode is set correctly. That's the problem with the line. I will eat this loss. There are many ways to connect TV to PC; 1. VGA to VGA 2. DVI to TV to VGA 3. HDMI to TV to HDMI (good to have HDMI) 4. DVI to TV to HDMI. Look at several modes.

Phenomenon 4: Hisense LCD TV turns on normally, and then turns into a blue screen, and then directly black screen


Solution: Can you see a subtle image at a close distance? If yes, there are two possible LCD screens. One is: LCD lamp is damaged by 2: The inside of the high voltage pack for LCD is damaged! If the LED high-brightness light-emitting diodes do not shine, it should be another matter, please check the output voltage conditions and then make judgments!


Phenomenon 5: Hisense TV frequently watches blue screens during normal program viewing


Solution: Try to add an AV signal to the AV terminal. Automatically searched for the station and found that the TV program flashed past and the program number did not change. It was estimated that the sync head did not pass in the CPU. When auto-scheduled, the CPU 36 pin voltage is not changed, and the waveform measured by the oscilloscope is very small. It is detected that the NV01 (TA8851BN) 46-pin waveform is normal, indicating that the fault is between the NV01 (TA8851BN) 46 pin and the NA01 (TMP87PM36N) 36 pin. On the line. The inspection found VA06 (2SA1015Y) b-electrode capacitance CA13 (2.2μ F / 50V) leakage. Can replace CA13, troubleshooting.

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