Question about Sony KV-32S45 32" TV

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My Sony TV KV32s45 32" Shows no picture but has sound. After a few houres of unpuging the TV the screen is good but then the picture gose up and all i see i a black screen but the sound is good. THE stanby light is on.WHAT SHOULD I DO TO FIX THE PROBLEM?

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  • 007BRANDON Dec 22, 2007


  • tracer0000 Dec 22, 2007

    I have the exact same problem. I would like to have more clear step by step instructions with detail part names. Ideally if someone can offer a solution with some sort of manuel (with pictures) that would be really fantastic. 

    I would greatly appreciate any help, anyway!!!!

  • lmillller Nov 09, 2008

    Shortly after switching on my Sony KV32s45, the picture distorts to the top of the screening then disappears. This TV is nearly ten years old and the problems started about six months ago. I quickly learned that if, with the back of the set removed, I can switch the TV off then on again while giggling the main circuit board the picture returns to normal. I usually have to do this giggling procedure twice immediately after switching the TV on. After that it performs perfectly. It is definitely seems to be a start-up problem. I suspect it is a bad solder connection. I have removed the main circuit board and inspected every connection, but found no visible defects. Except for the very annoying start-up problem, this Sony performs flawlessly.



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After reading comments by Yxif, I examined the 7 pin IC (TDA8172) and discovered a bad solder connection on one of the pins. The bad connection was not visually obvious. I used a toothpick to apply a little pressure to discover the connection was loose. I reordered the pin connection and my annoying start-up problem was solved.

Thanks Yxif and all who contributed to this solution.

Posted on Nov 09, 2008

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Picture int disappears leaving snow on screen
Resolder the Xtal in the tuner
No picture - screen is empty. Sound is ok
Check IC101 (BA7630F), if video signal comes to input (pin 1) but not present at output (pin 14) then replace this IC
Intermittent video or snow
Resolder points A, B, C, D in tuner PCB, check cold solder on tuner shield 2-106-349-21

Posted on Nov 24, 2007


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