Question about Sylvania 6842-PEM 42 in. EDTV-Ready Plasma Television

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My Sylvania 6842 PEM Power will not stay on. I press the power button and the red stand-by light changes to green for about 2 seconds then reverts back to stand-by. There are not any code flashes from the stand-by light. Can anyone help me?

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Try to replace all popped capacitors on the power supply board first,the tops of bad ones will be heaved up in a "bubble"

Posted on Jul 19, 2009

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1 Answer

Sylvania 6842 pe, power comes on for a few seconds then turns back off ?


Probably power supply failure. Power is getting to the TV (red light), tries to start (green light) then stops

Oct 09, 2012 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

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What component is the hd one?


HD will only go down the HDMI (wide and skinny) port or component (red, blue, green) port.

Dec 04, 2009 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

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Hi I have a sylvania 6842pem 42 inch plasma. when turning the television on it makes a weird screeching noise then goes to stand by. what can the problem be thanks for the help


your transformer on your power supply is bad, i would recomend replacing the power supply, usually when the transformer goes bad , it damages other things on the board, should be around a 200$ part

Jan 11, 2009 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

1 Answer

Monitor won't work


We found the blown capacitor on the main power board, bought a replacment for 40 cents, and replaced it. The monitor is working again.

Sep 09, 2008 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

2 Answers

Sylvania 6842-PEM 42 in


If you are certain that the capacitor is OK, there could be a different problem on the main power board or even on the sub-power board. The sub-power board should have output voltages even if the main power board is defective.

Jul 17, 2008 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

1 Answer

SYLVANIA 6442-pe


You need to replace the burnt out capacitor - the little blue disk on the upper left side of the power circuit board. Here's a link to a replacement that works:

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=490-4260-ND

Just solder the new one in and it should work fine. Mine works great with this replacement. Good luck

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=490-4260-ND

Jul 01, 2008 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

1 Answer

Looking for info on Sylvania 6842 PEM


This RadioShack capacitor is no good - too low a voltage rating. Try replacing it with this one, or something with the same values:

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=490-4260-ND

This fix worked for me. Best of luck

Mar 21, 2008 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

1 Answer

Wont turn on


Most common problem is a ruptured capacitor on the main power pcb. It can be seen as ruptured if you know where to look. It has to be replaced with a special type of capacitor or it will quickly fail again. If its less than a year old it is still on parts warranty.

Sep 29, 2007 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

1 Answer

Sylvania 6842-PEM Flickering Problem


Something is breaking down. Possibly a specific ceramic capacitor on the main power pcb that has been troublesome. Usually there is just a loud pop and the screen goes dead. If the set is less than a year old it is still on parts warranty and the technician could just change circuit boards until the problem is gone.

Aug 30, 2007 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

1 Answer

Won't Turn On....Immediately Switches To Standby


Did you get your tv fixed? It may be the Sub power supply unit. If the main supply went out it would not light the display at all. Yes it is time for th repair shop. Good Luck.

Jan 25, 2007 | Sylvania 6842-PEM 42 in. EDTV-Ready Plasma...

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