Question about HP PL4260N 42 in. Plasma HDTV

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My hp plasma tv lost it's picture. Audio works fine. Work are some causes of this?

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Hi- My PL4260N stpped working after about three years, the audio worked but no video at all. The TV worked fine until one day...no more picture.
I found out that the YSUS and ZSUS boards in the TC fail alot...BUT you can get new or repaired ones off of EBAY...
First check for failed components (burned, loose, buldging, etc.) if nothing obvious is failed then check the fuses on the YSUS, ZSUS, and power supply boards...usually if a board has a blown fuse the board needs to be replaced...get the part number and serach it in Google and ecay and you will find options for replace/repair.
Mine had a blown fuse on the YSUS board...I got it fixed for $75 through coppell TV (they are on Ebay)....
Now my TV works fine again!
Good luck.

Posted on Jan 08, 2011

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Hello,
The T-con board, the board that sit right in the middle of the center LCD panel . That board is dying. try websites like shopjimmy.com, Ebay.com to buy a refurbish T-con board for replacement.

Thanks for using fixya

Posted on Aug 20, 2010

  • CoppellTVRepair.com Apr 22, 2011

    What TCON board in a plasma TV dude diodeic?!

    Gee, how are you people getting positive reviews here with such a nonsense...

    The described problem is 100% going to happen on *all* such TVs on the market.

    It's a YSUS or ZSUS, whichever happens to go out first. It's usually the YSUS (80%), but whichever one it is the other one is going to follow relatively shortly after.

    It can be any time from the next time the TV is turned to about a year later. Usually it's within the first 3 months.

    The best indication for the defective board is a blown fuse, but it's not guaranteed. About 15% of the time the PSU shuts off before the fuse blows - LG installs slow-blowing fuses on these and depending on the faulure the PSU is just faster to detect overload.

    What to do? Service or replace one or both sustain boards.

    For more details http://www.coppelltvrepair.com
    and http://blog.coppelltvrepair.com.

    Hope that helps!

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