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Daytek EPT-4202AN Picture cuts out

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    Daytek EPT-4202AN Picture cuts out

    Good day everyone. I have a Daytek plasma TV model# ept-4202AN that is giving my friend picture problems. The tv set works great for about an hour, then the screen turns into red pixels and fades to black. Sound works throughout. If i turn TV off for 15 min or so and turn it back on the picture works for about another hour then kicks off again.

    I have taken off the back panel (sorry no camera) and can't see any visibly blown capacitors. The heat sink located on the YSUS board seems to be running much hotter than the heat sink on the ZSUS board, not sure if this is root cause of problem.

    Any advice would be greatly appreciated, as i said i have checked for visibly blown capacitors and have verified the fuses are still working properly with my multimeter. I can't seem to find any information on this TV brand on other websites, so hopefully the tech gurus here will be able to advise. Am i looking at a YSUS board replacement or is the issue an IRC or capacitor?

    Thanks

    #2
    Re: Daytek EPT-4202AN Picture cuts out

    Had a chance to do some further testing, and it appears that I have 7 blown surface mounted radial capacitors. They are all running at 220uF and 25V, and are all located on the YSUS board. Will these lower resistance capacitors cause this problem? My typical experience with the capacitors is a work/don't work scenario, not a work for a while and cut out style.

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      #3
      Re: Daytek EPT-4202AN Picture cuts out

      Can you give us some pics

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