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

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Sylvania 6842pf m after i power on inmedialty power off (stamby)

Any solution?

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  • igcasper73 Apr 28, 2008

    my plasma sylvania 6842pf m once i power on inmmedialy power of ( stamby)



    any ideas???



    thanks!

  • madb Apr 30, 2008

    nothing have been changed it just started giving problems, tv is powered on, its dark with static, and in 5 sec. it turns off,

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These sets are manufactured by Funai, in my opinion total junk, yet they command a $1,500 price tag. I cannot find parts available for this hunk of **** anywhere so if this tip helps you fix this set and get it out of your hair, God Bless You! Model number is followed by an M to read: 6842PF M Found no VSUS on connector CN2502 of the SMPS. VSUS was shorted to adjacent GND pin by 120 Ohms. Small high voltage blue capacitor C2250 (Between Two very big electrolytics and right next VSUS diode D2250 (TO-220 package) on aluminum heatsink) shorted, burned. I have two of these sets in the shop at the same time, both of them have the very same problem, appears to be common and parts seem to be NLA for this unit. Replace C2250, 1,500 pF @ 1Kv. Usually marked as 152K on small high voltage capacitors in junk units. This is not a common value part so if you have to, make one by parallelling a .001 uF cap (102) with a 470 pF cap (471) to get a suitable 1,470 pF capacitor at 1 Kv. Adjust VSUS with VR2250 on SMPS board to read 175 VDC to GND and you are done. You're welcome. ~Ohmster

Posted on May 21, 2008

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