Question about Sylvania 6842PE 42 in. HD-Ready Plasma Television

4 Answers

No power up

Sylvania6842PE M (Monitor only). I moved this unit and when I plugged it into the wall at its new location something popped inside and it will not power up. The green standby light goes on. When I push the power button a relay clicks inside and the yellow power light comes on for a fraction of a second before it goes back to the green standby light. I took the back off as my local supplier only gave me a 30 day warranty and noticed that a green LED flashes on one of the power boards. It glows steady for the fraction of a second the front yellow light comes on. I checked and read 15V on this powerboard at one of the connectors marked 15V but it was only there when the yellow light was on. I cannot see anything damaged although the pop could have been the sound of a capacitor exploding.

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  • William Hyman Mar 22, 2007

    m1013
    You were correct. I found the problem an hour ago by disconnecting cables from the power board until the green light stopped flashing. All I have to do now is find Q001 which is labelled RJP3053 5661 and hope it does not blow again. I am surpised that it could blow before I had switched the power on.

  • William Hyman Dec 23, 2008

    My problem was not read very well. Q1 blew, not a capacitor. This suggestion was useless. I need to get the replacement transistor or the sub assembly.

  • William Hyman Dec 23, 2008

    It sounds good and I will order and install the part.

    Many thanks.

    I will bug you again if it does not fix it.

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I just wanted to make sure this issue was resolved. I see no activity on it since the end of December. Let me know

Posted on Jan 06, 2009

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Hi and welcome to FixYa,

Initially, to my understanding, it is required that plasma TV units when unplugged/power removed should allow sufficient time to dissipate whatever stored electrical energy is present inside, otherwise power supply failure is imminent.

To your concern, you may want to check out this site for possible board replacement.

Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 23, 2008

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You need a reay, RJP3053


Buy from RELAY STD DPDT for $ 2.79


Posted on Dec 23, 2008

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  • Master
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Http://i133.photobucket.com/albums/q68/rwlib3/DSC_0426.jpg
IT might be blown capcitor

If a capacitor blows out, then it is probably having a higher voltage
on it than it is rated for. You don't say what the voltage rating was
for the original capacitor or what the voltage rating was for the
replacement. Did you try to measure the voltage in the 10 seconds
before the replacement blew??

Posted on Dec 23, 2008

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