Question about Sylvania 6842THG 42 in. Plasma HDTV

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My plasma tv is on stand by mode and won't turn on

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  • Sylvania Master
  • 3,866 Answers

This is an issue with the control module in this unit that needs to be replaced. the control module that puts this thing to sleep has malfuctioned my advise is if its worth it to have it looked at by a qualified tech.. Thanks

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

Posted on Apr 22, 2009

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  • Kevin Aug 23, 2012

    which control moduel because i think i have the same issue and i been trying to figure it out for a week now. i swapped out the main power board with a known good one and still same issue and it has a sub power board i thought that might be it i pulled all the capacitors off and tested them all but the capacitors seemed to be fine to me. im kind of stuck now.

  • Grand Canyon Tech
    Grand Canyon Tech Aug 31, 2012

    The control module is usually part of the power board as a whole. So replacing the power board will fix the problem.

  • Grand Canyon Tech
    Grand Canyon Tech Aug 31, 2012

    A capacitor will test good 99 percent of the time, but will not hold a charge under normal operating conditions.

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SOURCE: when i turn on my sylvania plasma 42 TV the TV relay clicks and t

common fault in the power supply, does the screen flash light for about a sec before it turns off?

Posted on Apr 27, 2010

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SOURCE: Looking for base stand for 42' plasma tv

try Ebay

Posted on Jun 12, 2010

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1 Answer

When i turn on my sylvania plasma 42 TV the TV relay clicks and then go to stand by mode.


common fault in the power supply, does the screen flash light for about a sec before it turns off?

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