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Has sound but no picture - just went off - Televison & Video

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It really depends on many factors but most likely solutions as follows:

For a LCD about 90% of the time the solution is to replace the LCD Panel. If you are getting sound, that usually means all the logic in the TV is good. Since the TV stays on (you get sound) it means the Power Supply is good. The LCD panel has inverters and a T-con board that are bad but these are rarely available by themselves. They usually come mounted on the LCD Panel.

For a PLASMA, the issue usually lies in the Y-sus and the Y-drives. The Z-sus could also be causing the failure but I would try to Y-sus and Y-drives first. This can only be checked by checking the volatages on the boards with a voltmeter to determine which boards above have failed.

Posted on Oct 05, 2009

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