Question about JVC GM-V42 42 in. Plasma Television

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Have a JVC GM-V42UG plasma monitor. The picture went off, and the red diagnostic lights came on. Top light flashes, middle and lower lights are solid. I already tried the "clean the vents" thing. The manual does not seem to address this specific configuration of diagnostic lights (top flashing, other two solid). Thanks! lt.john.ash@gmail.com

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  • lt_john_ash Sep 29, 2010

    Thanks for your help. I'd hoped it would indicate something customer-fixable, but it is assuring to know that I am not calling a repairman for something that I could easily have done myself.

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  • JVC Master
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This signals a hardware fault - more precisely it signals the fact that the power source is in protected mode because there's a short on one of its outputs.
To find out which actual part is the one that failed you must open the tv and test the power source with a voltmeter - the output which has a voltage much lower than the rated one (or even 0) is the one that powers the faulty part, follow it and test all the components.

Posted on Sep 29, 2010

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