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Sony 46 KDL-46Z4100 A-1564-648-A V.1 T-Con Timing Control Board is it bad? I have 1 min video of screen but I don't know how to upload it.

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Contact the authorized service center for Sony. This T'Con board is not available at local electronic spare part market.

Posted on May 19, 2017

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Posted on Jan 02, 2017

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How can i fix a plaid screen that is now constantly appearing on my sony kdl-40xbr4

It sounds as though it could be any of three problems. Firstly, it could be a faulty screen - in which case it's a lost cause since replacement screens can cost more than new TVs. It could be your main (video) board which you could replace if you can find a matching one on eBay. Finally it could be your T-con board, which again can be replaced by finding the same part number on eBay. A plaid screen is not a problem I am familiar with per se, but those are the three reasons why one might have a faulty display. Hope that helps.

Jul 07, 2014 | Sony KDL-46XBR4 46 in. LCD Television

1 Answer

We are having issues with the screen. The display of our Sony Bravia KDL-40V4150 shows straight vertical lines all the way across the screen. How do we fix this issue?

Sounds like a defective T-Con board, but it is better to test it before replacement. Also there is a possibility to repair it at a lower price. You can find a company that is testing this kind of T-Con boards and repair them here:

Sep 17, 2013 | Sony Bravia KDL-40V4150 40 in. LCD HDTV

1 Answer

T-con panel replacement

You of course should not attempt that unless familiar with how to take set safely apart and know where that board is.

You Tube might have video instructions based on brand and model number for this.

Jun 13, 2012 | Sony KDL-46S4100 46 in. LCD TV

1 Answer

On my Sony KDL 46 W4100 W the right side of the screen gets dark with colors dark and reddish. After a couple of minutes picture looks fine. Any idea what it could be? And approximately how much will it...

Typical repair shop for 46" flat panel TV repair will be about $200 and up plus parts.
The problem you have can be caused by T-CON board or bad LCD panel, I would swap in the T-CON board first.
See example here: L140 uses almost the same board as 4100 series.

Learn about T-CON/LCD panel failure here:
T-CON/LCD PANEL troubleshooting:

If the panel is bad, then forget about repalcing it since the panel will cost more than new 46" TV.

Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures:
Learn about bad caps:
Capacitors kit: he can make you a set of caps.
Or, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series

Oct 07, 2011 | Televison & Video

3 Answers

Picture has vertical lines (no picture)....what's wrong? It is less than 2 years old. can you help plrease?

Hi Matt, I know it's been awhile, but I'm making one last ditch effort to fully confirm everything you said. To start with, I replaced the T-Con Board, and it didn't correct the problem. My T-Con Board IS ATTACHED as shown in the picture, with the two ribbon connectors. Since it is connected, are you saying DON'T buy a main board, or are you saying since the T-Con is connected to BUY one? Thanks so much for all your help Matt, I wouldn't have been able to get this far without a good guy such as yourself. If I can't repair, I'm going to part out the boards anyway, if the front panel is bad. Please refer to the picture for clarification. Is it option 1, or 2?

1. T-Con Board attached, DO NOT buy main board.
2. T-Con Board attached, DO buy a main board.

Again, thanks so much for everything, I look forward to your final answer. Take care.


Feb 28, 2011 | Sony KDL-46VL160 46 in. HDTV TV

2 Answers

WHERE CAN I BUY A SONY T-CON BOARD PART NUMBER SONY 1-857-132-11 ? IT IS FOR A KDL-52W4100. 2" Vertical stripe problem all the way across the screen. fades in and out. If iI try resoldering the...

The part # you gave is the Control Board which sells for $668.79. The T-Con board your looking for is part of the LCD Display Panel and is not sold separately. I suggest you start by cleaning the ribbon cables from the control board to the t-con board. If that doesn't help then you had better take it in to a service center to verify which part is bad because there are no refunds, only replacement after you buy a board.

Nov 19, 2010 | Sony BRAVIA KDL-52W4100 52 in. LCD HDTV

1 Answer

Sony KDL-46XBR4 - no picture or sound (black screen), the standby led blinks 5 times. I need to wait for 1-2 hours before the TV turns back on normally. If it is on (working normally ) and I turn it of and...

I am certified SONY Technician and I can help you for free.
Self-diagnostic function in your TV indicated that you have problem with T-CON board. This is video processing board attached to the panel and acting as video adapter between Main board and LCD panel itself. As long as I remember T-CON is considered to be a part of LCD Panel by SONY and have to be covered by manufacturer warranty for 2 years from date of purchase.
So - please locate your receipt form the store - they WILL ask for it.
Have a good day!

Aug 18, 2010 | Sony KDL-46XBR4 46 in. LCD Television

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