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SONY KDL-52V4100 LCD and Sound problems    
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RTalk



Joined: 05 Jan 2012
Posts: 2
Location: Texas

PostPosted: Thu Jan 12, 2012 1:07 pm    Post subject: SONY KDL-52V4100 LCD and Sound problems Reply with quote

Sony 52" LCD TV
Model: KDL-52V4100
Chassis: not sure

The first symptom was that the left 25% of the screen would be slow about coming on properly. After 15 minutes or so it would come into focus and be fine. After a few weeks none of the screen would want to come on. Several on and offs of the remote would eventually bring the screen on. It would have sound with no picture until the screen came on. Now the only thing that will come on is the green power indicator. No picture and no sound.

I tried the diagnostics test that was explained in the posting below, but the standby light never flashes, the standby LED is always off:

http://www.riddledtv.com/forums/sony-lcd-tv-kdl-42v4100-t1337.html

Thank You for this Forum and your help!
Google

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RTalk



Joined: 05 Jan 2012
Posts: 2
Location: Texas

PostPosted: Wed Jan 18, 2012 9:46 pm    Post subject: SONY KDL-52V4100 LCD and Sound problems Reply with quote

What voltages should I have on the power supply outputs? Does anyone have a schematic or service manual for this model?
Thanks.
JTS1957



Joined: 21 Jan 2009
Posts: 2340
Location: Far, Far Away

PostPosted: Thu Jan 19, 2012 2:13 pm    Post subject: Reply with quote

40/42 "MAY" be similar?

http://elektrotanya.com/?q=showresult&what=V4100&kategoria=&kat2=all
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