Question about Dell W4201C 42 in. Plasma HDTV
The lines go all the way across the top 4" of the screen. They are multi-colored, fuzzy, and appear only when something is on the screen. They are faint when the entire screen is black. Other posts here suggest that the logic board might be bad. Other indications are the main board is bad. How can I know for sure which board is the one to replace.
By the way, Dell's out of warranty service is a joke. They said it would be over $1100 just to ship the TV to their 3rd party repair center. I'll buy a standard brand name next.
The new Dell 4201C 42" Plasma HDTV delivers spectacular High Definition picture quality with bright, vivid images and superb contrast. The W4201C is multi-media optimized with a wide aspect display providing 1024 vertical lines and 768 horizontal lines of resolution.and in which the optimized multimedia is controlled by logic board.in your tv logic board is bad.because if the main board is bad.this horizontal and vertical line would not been shown.only a thick black line shows up on the screen and nothing else if the main board is faulty.
its the faulty of logic board.
you can order required pars at
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Posted on Jun 03, 2009
Replace the pixel generating circuit board and retest.
Posted on Jun 05, 2009
Ok, let me explain it a bit, your TV have 5 "mayor" boards POWERBOARD, MAINBOARD, TIMER CONTROL BOARD, Y SUSTAIN BOARD AND Z SUSTAIN BOARD.
Your problem is the Y Sustain Board, it is located on the far left of the TV (from the back).
To replace it you must unplug all cables first (of the Y sustain board), then take all the screws, replace it put back all the screws and plug all the cables again.
Be careful with the cables, those are the most sensitives of the TV and have a lock that you need to pull before actually pulling the cables.
Contact me as soon as you have the board and I will send you step by step instructions.
Posted on Jun 05, 2009
The correct part number of the relevant lgic board is LJ92-01270E. Just check with http://www.ptscorp.com/ to order it online. Verify with your hardware that it is the correct number! Some models differ slightly.
Posted on Jun 04, 2009
Okay i think you should check out your RCA cables or your component cables... a bad connection to those can cause the static or the fuzzy lines. you also need to make sure there isnt any other kind of connection issue with your cable... after all it might not be your tv.
Posted on Jun 02, 2009
check the mainboard for any burn or leak on the resistor area. use a VOM meter to test the board. if you have no idea or experience servicing the unit better to call for help, working inside is not so easy and very dangerous because of the high voltage store on the unit.
Posted on Jun 01, 2009
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Posted on Jan 02, 2017
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