No Picture-No Sound Timer light flashes.

My son decided that he wanted to play with the tv. Something happened I don't know what buttons he pushed, but the green light will come on then the timer light will flash. I have tried everything on the remote, to adval. I'm desperate any solutions. I have unplugged the TV, I have changed the batteries in the remote, I just don't know that to do?

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Bill Heronemus

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308 Answers

The sequence of flashes from the timer light may hold the clue as to what is wrong. For instance if it blinks 5 times then 3 before repeating the cycle, it usually means that IC 702 on the CRT drive board is bad. I have had to replace that semiconductor many times in the past. For this exact symptom, removing the connector Cn706 From the CRT Drive Board allows the set to start up. I am very skeptical of the quality of picture tubes in these sets, so if this is the problem, it may occur again. When replacing this IC, there could be damage to a resistor and capacitor R533 and C541 on the main Printed Circuit Board also. If your timer light is not flashing that code, the problem is elsewhere. If the set is over 6 years old, it may be worthwhile replacing it.

Posted on Jan 22, 2007

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