Hello I have a Sony Bravia 52V4100 LCD TV that has several colored vertical lines about a half inch in on both sides of the TV when it is turned on. This occurs with all imputs so it is screen related. They go away after about 1.5 - 2 hours and the picture is fine. Any suggestions as to the issue and cost to fix would be appreciated. It has so far only occured on the edge, the TV is 1.5 years old. I don't know when it started as I use my LCD mostly as a monitor zoomed and don't display an image edge to edge except for DVDs. I noticed it about 3 months ago.
Since the lines go off after a while what you have is a faulty t-con board also known as video driver board or Timing control board, a notorious problem in the Bravia LCDs. Easy to replace. Remove the old connectors, unscrew the board from the Chassis, screw the new one in and plug in the connectors. However it is mandatory to wear an ESD wrist strap. You should also turn off the set and unplug from power supply before starting the repair. Part can be purchased from the link below. Costs just under 40$
http://www.shopjimmy.com/catalog/product/view/id/177098/s/sony-1-857-044-21-t-con-board/
Let me know if you need more help.
Sai.
Hi,
Servicing the unit requires a service manual , only with a fee.
I wish I could tell
you there was a quick fix or button to push that would fix
the TV problem but that is not the case or the solution needed to get
the unit operating correctly.
There could be many reasons. But, more Often, it would be
on the Circuits Board. You need to Open the TV, unplug the
wires from Circuits Board, pull it out and check it.
More often, you would find either a Loose Solder /
connection or Leaked / Bulged / Swelled capacitor. You
need to note down the part number and you could order it
online or go to your Local Electronics shop and
purchase it. Once you solder it, it would be all set.
Determine the symptoms; identify the cause of the symptoms;
repair the unit to eliminate the cause
Let me know, if needed further assistance.
Thank you for choosing FixYa for assistance. I hope that my
information proves useful to you. If so, please take a moment
to provide me with a positive rating. I'd really appreciate it.
regards,
palaboy
most likely, might be good to have the image of the raster of the TV, or send a link where i can see
what kind of raster you are having.
those lines you have been mentioning ( ? ? ) maybe caused by some of the components here
these
Inverter Board Master LTA400W2, or just from the cables that connects to the power
supply board, 
Visual inspection, Voltage Measurement are a must before deciding to have a new board.
Or if you have an electronic equipment and skills to have a component repair then
the service manual would be a great help to your troubleshooting.
these
power supply
board might looks like the one you are having 
and the part number of your Voltage Inverter / Ballast Board - Master
SSB520H24S01(LL)
and these might also look like the
Inverter
you are having
it would also be best if you forward or give my information to the one servicing your unit.
thank you again , for choosing Fixya for assistance., Regards
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Since the problem always clears up after an hour and a half or so, I'm wondering if this is a pretty big hint as to what it could be. Based on what the likely problem is, and that it is confined just to both edges (could the fact that both edges to 3 inches are usually black/unused when using the LCD for long periods be a factor?) is it likely that the vertical lines won't appear on ther parts of the screen, and simply using the edges more to warm up the circuits might help?
If necessary I can post images, but it is just vertical colored lines 4 or 5 together, red, green, etc, about a half inch from edge, a little different spacing and different colors on each side. Rest of picture unaffected. Any other viewers have an opinion?
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