Question about Zenith P42W34P 42 in. EDTV-Ready Plasma Television
I'm sorry you have not been given a clear ansewer on how to repair your TV. I know how to fix the problem you are having (1.5 inch Black vertical lines that come and go) If you still need help fixing your Plasma TV please feel free to message me @ email@example.com or just give me a call @ 1-503-432-9904 and I'll help you fix your TV buddy! Ask for Dave!
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Posted on Feb 04, 2009
The plasma display screen is made of a matrix of elements connected to cables along the side and top. On your unit, some of these many, tiny connections are making contact intermittantly thus losing the elements in that area. These contacts are held in place with just pressure and if that is disturbed, you lose that line of elements. Try squeezing the cabinet of the TV on the outside at the top in the area of the loss and see if that makes a difference. May have to go inside and see if the contact assembly is disturbed or warped or something.
Posted on Dec 31, 2007
There are 4 or 5 ribbon cables on the bottom or on one side, they control part of the plasma screen. Check the ribbon cablenear the black lines. Unplug the ribbon cable and look for black chipson the underside of it, I think they say 100 on them, you need toresolder both ends on each chip. Should fix the black line issue.
Posted on Jan 13, 2010
This is easy to solve. Disconnect the DVI connection from the TV and reconnect it. Secure the DVI connection to the TV by rotating 2 hand-rotatable screws. The DVI connection is connected to the TV vertically and has a tendency to come loose (via gravity) unless the connection is properly secured.
Posted on May 11, 2010
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