Sony KV-36XBR400 36" TV Logo

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Jason Fisher Posted on Jun 28, 2007
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TV shuts off by itself in full picture mode

We switched apartments and now all of a sudden this TV is having issues. It does not stay on for very long at all--yet when I have it on doublt picture mode, it often remains powered on. Occasionally it will turn off constantly, regardless of being in double picture mode, and there is no hope of keeping it on. I have noticed that while watching wide-screen movies on it, there is a better chance it stays on also. I have a hunch it must be an easy fix, but I don't know anything about TV repairs.

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  • Posted on Jun 28, 2007
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The Sony sets are full of circuits which monitor and detect faults throughout the set. These circuits monitor main B+ voltage and current, low B+ voltage and current, vertical and horizontal circuits and CRT current. Finding an intermitten problem in these circuits is no easy task and should be left to someone with experience in Sony sets.

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