Question about Sony KP-51WS500 51" Rear Projection Television

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Suddenly a curved line appeared in the upper left and lower right corner ....and words like "muting" and lower right words are doubled with a red virtual image....the main picture in the center is pretty good, though not so good also....some eyeglasses on people etc are slightly doubled

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Convergence problem---set uses two of the STK-392-560 convergence chips.

Both will have to be replaced and set adjusted with remote.

Total parts cost on EBAY under 25 dollars.


I can tell you what is involved.

see attached photo of typical convergence problem and typical convergence chip.

If this told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH


suddenly a curved line appeared - 7b6c73f.jpg




28f74b6.jpg

Posted on Sep 03, 2010

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Try convergence first! Info on other message about Hitachi 50FX19K. Bill

Posted on Aug 11, 2012

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6ya6ya
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1 Answer

Can't bring into focus the entire image. Corners defocused and have green/purple halos.


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Alert sounds


The first thing thta comes to mind, have you turned on mute or lowered the volume? Double click the speaker icon on the bottom right corner of your screen and make sure that the mute box is not checked off, and that the volume is turned up all the way.
Also have you ever updated the drivers for your sound card? If not than follow these easy instructions to update the sound card drivers.
  1. Click 'start'
  2. right click 'my computer'
  3. click 'manage'
  4. on the left side click 'device manager'
  5. on the right side click the + sign beside 'sound,video and game controlers'
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Any problems let me know. Tell me how you made out, and please rate my answer.

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I am also having the same problem. I tried to replace ICs but no luck. I am also looking for service manual in case if some one can give it to me.

Thanks,
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replace the amplifier IC chips for the convergence.  part # stk392-???  could be from 040 to 120..  90% chance that'll fix it.

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