Question about Sharp 32U-S650 32" TV

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TV remains in standby

All i get on my Tv at moment is the power light - but no picture or sound. When i turn the Tv power switch off the light goes off and when it comes back on i get nothing no sound or picture. Have got tw remotes that work with the Tv but both dont resolve the problem.

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If your'e ok with a multitester a simple resistance test is all u need to do.Try checking the wire wound resistors in the psu cct

Posted on Jan 23, 2008

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PRoblem is in the start-up circuit for the high voltage power side of the power supply. The 5 volt, stand-by circuit, is obviously fine. Need to take voltage measurements on start-up to 32kv side of transformer to diagnose. Possible flyback transformer or voltage regulator.

Posted on Jun 25, 2007

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