Question about Sony BRAVIA KDL-52W4100 52 in. LCD HDTV

1 Answer

I just bought a Sony Bravia KL-32L5000 yesterday. I hooked it up and watched tv for about 15 mins when all of sudden the picture cuts to horizontal lines all across and the tv makes a screeching noise like a cat has been run over. I tried the next day a few times and would have a perfect picture and sounds but for only 5 minutes and the same thing would happen. I'm taking it back but I was wondering what would cause this? I have tried several 75 ohm cables.

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1 Answer

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  • Sony Master
  • 53,755 Answers

It is a board problem
have it repaired under warranty or replaced under warranty

Posted on Jun 17, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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Anonymous

  • 137 Answers

SOURCE: Sony BRAVIA KDL46S2010 Sound and Pix not in sync - in HDTV channels only

This is a software issue with both the TV manufacture and the cable box provider. This will only be fixed when the cable company and TV manufacture sit down and work out their problem. Some cable company has taken the first step by updating cable boxes with different software.

Best regards
CircuitCity

Posted on Dec 07, 2007

Anonymous

SOURCE: Sony Bravia KDL52XBR5 picture blanks out using HDMI port

We had the same problem. Called Sony and they advised there was a "Software Mismatch" and suggest using a newer set top box. I'm just going to use the component. You would think they could resolve this with a firmware flash or something. Hope this helped.

Posted on Feb 27, 2008

Anonymous

  • 1 Answer

SOURCE: clicking noise sony bravia kdl-40v3000

http://forum.ecoustics.com/bbs/messages/2/176039.html <-- Check that out.

Also I have a Sony Bravia and it clicks while it is on as well. I read that forum and some people said to disconnect the cable box for 10 sec. and then some said it was the heat from the summer.. i don't know.. I just turned my tv off and then back on and it stoped. I read this is happening with all kinds of TVs....

Posted on May 23, 2008

SOURCE: The TV has horizontal lines across about 5 inches

Horizontal lines are relatively rare problem in LCD TVs.

The likely problematic areas are:

1) The LCD itself (the micro ICs embedded into the LCD panel structure); that doesn't sound likely based on what you say, but it's not completely impossible. The bad news is it's mostly uncurable.

2) The power board A-1511-322-D G5
Power boards may sometimes cause problems with display, although rarely causing horizontal lines.
I wouldn't start looking here either, but it is certainly a problem to consider.

3) Main board 1-876-561-13 R1506072C
Slightly more possible and yet not quite likely. A high operating temperature and bad SMD soldering process may cause some soldering contacts on the main board to behave differently when the board is cold versus when it heats up. It is very common and may have all kinds of different effects on the TV and the screen.
One way to check for that is with a regular dryer..the process is explained in many other solutions at fixya and around the net, so I wouldn't repeat it here...but it takes time and patience.

4) The most likely place to start with is the T-Con / LCD controller
404652ASNC6LV4.1 M139.

I'd first replace that and see if the problem goes away.

5) There's a very minor chance that the LVDS cable that connects the main board with the T-Con does not make good contact initially and changes that as a result of getting hot. It's easy to just touch and move it lightly when the TV is still cold to see if it has an effect on the picture.

Sorry I couldn't just nail it for you, but that's the nature of the repair businss :-)

Bobby, www.coppelltvrepair.com

Posted on Mar 15, 2010

Anonymous

  • 1 Answer

SOURCE: Sony BRAVIA sound cuts in & out

Does this problem happen alot at night? email me at adamnorrad@gmail.com i might know what it is. Im dealing with the same issue

Posted on Apr 04, 2010

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