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GE 3IGT660 picture shuts off after about 1 hour but still sound

My GE 3IGT660 tv, the picture shuts off and having the tv on for about 1 hr but you can still hear sound. Is it the picture tube?

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I doubt it is the CRT unless it is absolutely verified by doing some tests. More than likely it is a thermo sensitive part that is going out of specs after the set warms up. The location of the part is most likely in the scan amplifier sections or in the power supply section.

You would have to bring the set in for service. An experienced
TV service tech should be able to determine the faulty part(s), and fix it for you.

Jerry G.

Posted on Apr 19, 2008

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