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

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Turns on for two seconds then shuts it self off?

Whenb

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  • Anonymous Jun 06, 2008

    turn on for 10 seconds then auto shut itself off.

  • lpaul55 Aug 04, 2008

    Nothing is visibly or smells burnt on my power board, the capacitor is fine but changed it, the tv still does not stay on. there must be somthing else wrong. please help.



    laz

  • Anonymous Oct 12, 2008

    my television

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  • 8 Answers

Sounds like a blown capacitor. I fixed the same problem in mine by replacing it with this one:

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

If you can do a little bit of soldering, you can fix it yourself. Good luck!

Posted on Jul 22, 2008

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Good Day, checho3435;

Try this to help to narrow it down:

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Day, big IRISH. back.gif

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1 Answer

Shut it self down after 5 seconds.


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1 Answer

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I have the same problem , i will try new batteries and a new ac box. my email ramonmechshop@yahoo.com let me know what you think?

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