Question about Sony BRAVIA KDL-52W4100 52 in. LCD HDTV
Hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works
Posted on Oct 30, 2010
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Posted on Jan 02, 2017
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
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 @ firstname.lastname@example.org or just give me a call @ 1-503-432-9904 and I'll help you fix your TV buddy! Ask for Dave!
Talk to you later buddy!
Posted on Feb 03, 2009
Connections on c boards, c board bad or bad panel. Disconnect power supply from sus boards on sides before attemting to disaconnect connectors from c board to flex cables. arc from stored energy on power board will burn cables. reseat the connector closest to the bar . reconnect power supply. Next replace that c board by strip. next replace plasma panel.
Posted on Dec 06, 2009
Unless it is spot on dead center of the set, you need to replace the LCD panel. In these models, the suspected TCON (time control) board might do the trick, but I've yet to have success with that board fixing a vertical line issue.
Hopefully you are still under manufacturer's warranty or have some kind of extended warranty, 'cause the price of that panel exceeds $1,500.00.
You could give a shout to Sony customer relations in the event you don't have a way to get the part paid for. Sony may ask that you pay for an estimate, in return for covering the part for you.
Posted on Jan 22, 2010
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