Question about Sony KP-48V80 48" Rear Projection Television

1 Answer

Sony tv model no. KV - 19 APR 2

Help me fix this sony tv, only reddish horizontal line appear on the screen. pls. tell me what must i do to fix this problem. i already replaced all the electrolytic capacitors around the vertical IC part no. UPC1488H. pls. help me as my expets your advised is greatly appreciated.

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  • milmar
    milmar Aug 01, 2008

    no i dont have service manual for this...

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Dop you have related Service Manual?

Posted on Aug 01, 2008

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This is for a different model, but I had thin horizontal lines in red and had to adjust the tube for red. You may have a similar adjustment on your set.

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Aug 01, 2008 | Sony KP-48V80 48" Rear Projection...

3 Answers

Sony tv no picture only horizontal line


The probable defective part is the vertical IC. If changing that does not resolve the problem, check the capacitors in the same circuit. Also, check for the proper voltages at the vertical IC. If the IC is not being fed its power, it won't work either. I don't have a listing for your specific model. If you can post the vertical IC part number (LA7837 for example), I can list the voltages per pin.
Dan

Apr 09, 2008 | Televison & Video

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