Sony tv KDL-40S4100 vertical lines on right side

T-con is not the problem. The main board is.

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Mar 7, 2009 - 30 posts - ‎25 authors
Hi guys, Ive had this TV for about a year now - all of a sudden thin vertical lines havecovered my screen (show in link below) No matter what ...Missing: 40bx421

TV Repair Help for Vertical & Horizontal Lines on Your TV ...

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https://www.youtube.com/watch?v=b0sI7LB4cZE
Apr 25, 2014 - Uploaded by ShopJimmy.com
TV Repair help with troubleshooting lines on your TV Screen. ... hi i have a sony bravia mdel # KDL46EX523. i have horizontal multi colored lines ... My TV has the following symptoms: - Horizontal lines from top to bottom of .... thick(like 1-1/12 inch) and a couple of green vertical lines next to the black one.Missing: kdl ‎40bx421

Flat Screen TV Has Lines Going Through Screen - Possible ...

The screen is beginning to fail.

this could be your t-con board, but knowing sonys it most .likely your main panel meaning your screen,

LOD (lines of death) are a known service issue with the Sony bravia line of TV's contact Sony and cross your fingers. Wish I had better news for you. I had a 52w4100 and Sony arranged me with a service center to get it taken care of.

Was the telvision impacted? Usually a Blue line on various tv sets such as Sharp and Sony can also indicate a firmware upgrade being needed. Try that first, as to a panel if this is a panel we have in stock cost could be between $200-400 for the part that part cost from Sony coulb be double if you need to purchase new. Call or reference us if you need TV repair in Colorado

Main PCB is bad . I just got the information from a Sony authorize servicer price for the part only $504.87

I don't know what does your mean by "line up and down my screen", if the line goes up from the bottom to reach the top of screen then goes back down to the bottom cycles, that symptom I have never seen. But if the line goes off and on, very high probability is the panel defective (see the picture, the ICs inside the panel loose, shall cause the Vertical or horizontal dead pixel lines). It is the most serious issue on the flat panel TV. Because the manufactory sells the panels, price even excess the TV.
If you need more accurate diagnose, you can post a picture.

Unscrew the cable off the cable box on the out to TV end, then screw it back on. You may also try a different type of cable, like HDMI or component cable.

This is a screen tab fault and in most cases will require the screen replacing