Question about Dell W4201C 42 in. Plasma HDTV

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Dell W4201C, White screen on Power up (used to be Black).

TV worked fine for 2.5 years.
When I turned it on, I get the blue Dell Logo, and a white background, with 'pools' of black. I describe them as Pools, they are like sploges of black, looks like spilled ink.
After a few seconds, the proper black backgound 'kicked in' and everything looked like normal. I watch TV for a few hours.

The next night, I got the same White background with 'spilled ink' effect, however it never corrected intself. The black sploges faded away as the tv images refreshed the screen. But the black never kicks in, and I have a very faded picture. Bright colors are okay, but the black areas are a very light gray. 

I don't beleive this is the black problem I've read about from other posts. This is so bad it's not watchable, and like I said, I was happy with the picture for over 2 years.

Any ideas on what has broke? Of course I'm out of warrenty.
I spent $3000 on this TV and don't want to chuck it, although I see I can now buy a better TV for $1000.

Any advise on fixing it myself, if it's easyish, or who might repair it in BC, Canada.

Thanks
Greg

Posted by on

  • gregtemail Apr 24, 2009

    Thanks for the info. I reset to Factory, and did the plasma conditioning for 2,5 hours (had to stop it to get some sleep).
    The screen is looking much better now, wow. I was convinced that something 'hardware' had blown and would need to be replaced.
    So before the Conditioning, the picture was about 30% original quality, now it's about 85% of what it used to be. While it's conditioning, the screen is mostly white, but some scattered pixels keep going purple and white.

    I intend to run the Conditioning again tonight, and this time I'll let it go for the full 3 hours. Is this a good idea? I'm just asking in case running the conditioning can be damageing if over done.

    Thanks Again!!

  • gregtemail Sep 04, 2009

    I reported previously that the Conditioning fixed the problem. It was only better until I switched it off. The next night it was back to the same.
    I found the problem however after much trial and error.

    It is a problem with 1 of the power boards. I may have my terminology wrong, but I'm calling it the y-buffer power board. It's the board that the Y buffer upper and lower are connected to.
    Thanks for that suggestions.

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Y SUS and Buffers are usual culprit.
You can get it from guy at
plasmatech@gmail.com
He has everything for Dell TVs!!!!


Posted on Aug 28, 2009

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Try plasma conditioning for 3 hours: menu, setup, plasma conditioning and let it run for a while. this will hopefully restore the colors, also do a factory reset: menu, setup, fac reset, all settings passcode 3355.

Posted on Apr 23, 2009

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