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Hisense TV image becomes red:
The reasons for Hisense TV image to become red are as follows
Reasons for Hisense TV image to become red: 1. If the entire image is reddish, it is because the display tube is aging. First, repair the lower screen. Check to see if the soldering of the board is loose, and then test the voltages of the red, green and blue video amplifier tubes to see if they are the same voltage. If they are the same, the picture tube gun may be broken. The difference is that the circuit of the video amplifier board is faulty. Replace the micro-debugger first. try.
The second reason for the redness of Hisense TV images is that there is probably something wrong with the video amplifier circuit, especially the green video amplifier circuit. Secondly, the aging of the picture tube itself causes the imbalance of the three shots.
Reasons for the redness of Hisense TV images: 3. Problems with the amplifier board, such as poor contact between the green and blue amplifier sockets, the green amplifier tube and blue amplifier tube are simultaneously broken, and the blue and green activation adjustment potentiometers are oxidized, resulting in poor contact.
The fourth reason why the Hisense TV image becomes red is that the voltage adjustment is incorrect. When the voltage is too high or too low, the circuit will detect that the voltage is incorrect and the white balance is abnormal, causing the image to become red. After obtaining this information through self-test, the red The light will flash several times and the result of the fault self-check will be displayed. The fault will be eliminated after re-adjusting the voltage.
Reasons for the redness of Hisense TV images: 5. It is caused by the aging of the display tube. It can be corrected by adjusting the white balance. Generally, it can continue to be used. If it is full red, it is caused by the aging and breakage of the red amplifier tube or the leakage of the tube tail plate. Otherwise, replace the AV tube or replace the entire tube tail plate.
Reason 6 for the redness of Hisense TV images. The TV must be placed in a relatively humid place, which may cause the picture tube holder to rust and cause the picture to be blurry. Also note that the TV must be placed away from other electrical appliances.
Reason 7 for the redness of the Hisense TV image. It may be that the three primary colors of the Hisense TV are biased. You can adjust the three primary color potentiometers behind the picture tube. If the redness is caused by being too close to other electrical appliances, just Move other electrical appliances away and completely turn off the Hisense TV's main power supply for more than half an hour.
The above are the reasons and solutions for redness of Hisense TV images provided by Hisense TV Repair Center. Hisense TV maintenance
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