A customer said that the TV in the home has no sound and no image. When the door is turned on, there is a sound backlight and no screen display characters; the cover is straight to the logic board, the first test is 12V normal, 3.3v, 1.8 also, VGH, vdd, vgl, com fb, hvdd Both are 0v, the hand touches the boost chip hot, and immediately determines the logic board to hang up, on the TB buy back, put on the look of a dumbfounded, or the grandson to play the lanterns, the heart is a big cut, is it bad luck and let me Stalled, the screen hung up, seeing hundreds of oceans flying again; check this step, it seems to be over, calm down and think about it, the LCD panel is not connected to two printed boards, there are a few components, There may be unexpected gains, and maybe I have the following actions, and I am caught by me;
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