Question about Sanyo 42 in. LCD TV
This problem will occur under two circumstances
1, Faulty electrolytic capacitors in the power supply board
2. Faulty back light inverter board.
Fist of all check is there is any faulty capacitors in the power supply board. If you find or not try to replace all the electrolytic capacitors in the power supply board. In most cases this will solve the problem. I have added the some video which will help you
The second one is the inverter back light inverter board. There is no repair possible with the inverter board. You have to replace the board with a new one. As you didn't mentioned any model number of your tv its not possible to attach a picture of the exact inverter board. The back light inverter board will look like one in the picture
Posted on Feb 10, 2012
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Posted on Jan 02, 2017
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