Everyone is more familiar with the blank screen of Hisense TV. The blue screen seems to be a bit strange. The blue screen problem is widespread, but it is not that complicated. Today Xiao Bian gave us a detailed introduction of the blue screen causes of Hisense Smart TV, and proposed corresponding solutions for related reasons. Do not miss the troubled friends.
Fault one: Hisense smart TV always shows a blue screen, 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
Fault 2: The touch screen button of Hisense TV is accidentally touched, and the TV turns blue screen.
Solution: It may be a signal source input problem. You can try one by one by setting the "signal source" input on the remote controller. Video, S-Video, VGA, etc. If it is not a signal source, check if the antenna connection is normal. Basic As far as these two possibilities are concerned, it cannot be a TV quality issue.
Fault 3: Blue bars appear when Hisense TV connects to the 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.
Fault 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 so, 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 LED is off, it should be something else. Please check the output voltage of each channel for judgment!
Fault 5: Hisense TV regularly 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. Upon inspection, it was found that the VA06 (2SA1015Y) b-capacitor CA13 (2.2 F/50V) leaked. Can replace CA13, troubleshooting.
July 26, 2022