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Sony Plasma tv Vertical varied coloured changing stripe just to left of centre screen

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95% chance its a Y buffer board. Good news is a new buffer board is no more that $40 and easy to swap out.. 4% chance its the main controller board, 1% chance the panal is dead.. Have seen this all the time and its allways the buffer board that goes bad. Check ebay for the replacment part.

Posted on Aug 12, 2008

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I have a vertical stripe on the left side of the screen that comes and goes. It appeared after my wife and I watched a vhs video on our Samsung 42' lcd hd tv.


first of all hello!

look i need to know a little bit more of your problem so i can help you!

let's see first of all how often is the problem happening ? after a wile the lines go away or they are always there? please let me know because i think i now what is the problem i just want to make sure!

yeah have a good day!

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Hello,
I have the same problem with vertical coloured lines on my NEC PX-42VP4G/S. The photo only shows a black background just so it's easier to see the lines in the photo but normally the picture is OK except for the vertical lines which aren't always in the same place.
If anyone can advise on exactly what I need to replace then I would be very grateful.
Regards, Simon.
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Inside of the tube assembly, there is a cooling liquid. This could be a job to change, and then re-adjust everything. It is also possible that on top of this, there are problems with the convergence and bias control circuits.

Typical repairs can run in the area of about $400 to about $800 depending on the amount of work and type of parts required.

Personaly, I would go out and get a good Plasma or LCD TV at this point!

Jerry G.

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1 Answer

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Keep us posted.
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Need more information:
Can you isolate which color is causing the banding?
Is there something ON the lense itself?
Is the projection mirror broken or bent?

S

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ADAM,

YOU NEED TO ADJUST THE SCREEN VOLTAGES TO BALANCE IT OUT. YOU CAN DO IT YOUSELF. HERE IS A WEBSITE. PLEASE READ THROUGH IT ALL. ITS FOR RED TINT OR LINES, BUT ITS USE IS FOR THE SAME PROBLEM AND COLORS. HOPFULLY, ON A LITTLE ADJUSTMENT IS ALL IT NEEDS.

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

PRIDAH

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