Question about Sony BRAVIA KDL-46S2000 46 in. LCD HDTV

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I have Sony kdl46w4100. It is about two years old. It started with some horizontal lines and distorted picture in top right hand of screen. It would go away after awhile and tv was fine. Since this started it is taking longer for tgv to get rite.Now when I turn TV on all black in center of screen for about 10 minutes, then the horizontal lines for another 15 minutes then tv is fine,but if you watch to long lines and distortion come back.

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I had a similar problem with my 42 in Philips LCD HDTV.



Here was the problem. My Power Supply Board had several bad capacitors. I opened my TV (warranty was expired of course) and found four bulged capacitors. Many electronics companies were sold capacitors that failed in 2-5 years instead of 10-20. The capacitors fail prematurely due to a lack of preservatives. Unfortunately, they were installed in all sorts of devices and cause a wide range of failure problems.


Here are some options for you.

1. Have it fixed by a professional

2. Open your TV and find PSB. Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board.

3. Remove and then replace individual faulty caps. This takes some soldering skill.

Caps are inexpensive and if you can take care of it yourself it will save you hundreds.


I have a tip/tutorial on this site that may also help. It gives step by step instructions for replacing caps on PSB #715t2432-2. If this is your board you are in luck. It's called: Fixing the Philips Turns/shuts off on its own problem.


Hope this helps and Good luck.


Kaufman605

Posted on Dec 12, 2010

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