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Hi, I wonder if you can help me. My Sony rear projection tv model KP-ES43SN1 is showing green dashed line on the top which has dropped and is shapes like an hour glass? Any ideas as how to fix? Thanks

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Hi,
KP-ES43SN1 is rear projection tv that has three picture tubes to generate picture, all these picture tube images should be converge to present one colorful image on tv front screen.
There is convergence section that does all of that and if convergence output ICs got some problem due to heat or cold/ dry solder joints then picture of tv will show such errors/ problem.
Check convergence output ICs on D board of tv, IC circuit numbers are IC5501 and IC5502
These are big black IC mounted on aluminum heat sink located on D Board and number STK392-020 would be written on them.
Check any dry solder joints/ lose connections at pins of above ICs that are soldered in circuit board. If you have no experience of electronics stuff fix then local tv repair shop will help you.
Let me know if you have additional question.
Thanks.

Posted on Aug 06, 2010

  • 5 more comments 
  • chandran300 Aug 17, 2010

    Hi, thanks for the info. I checked the ICs and they are ok. Could there be something else which is causing this problem? Thanks

  • Shahid Electronics
    Shahid Electronics Aug 17, 2010

    Please check pico fuses near these two big ICs, these fuses look like resistors, if any fuse found open, replace it.



  • chandran300 Aug 17, 2010

    Ok, how many fuses are there and do they have a number on them? Thanks

  • chandran300 Aug 17, 2010

    Ok, how many fuses are there and do they have a number on them? Thanks

  • chandran300 Aug 17, 2010

    Ok, how many fuses are there and do they have a number on them? Thanks

  • chandran300 Aug 24, 2010

    Please anser my question. Ok, how many fuses are there and do they have a number on them? Thanks

  • Shahid Electronics
    Shahid Electronics Aug 24, 2010

    On D board, check following fuses...

    PS5540
    PS5544
    PS5550
    PS5539
    PS5543
    PS5549
    PS5501
    PS5502
    PS5503
    PS5504

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  • Master
  • 11,800 Answers

That green line is there in that shape because the deflection unit for the green gun i defective. What the defect actually is can be determined only after testing but my guess is that the deflecting coil has a short and must be replaced.
This is without a doubt a job for a pro, you don't have the tools needed to confirm the diagnostic (an oscilloscope is mandatory) and no access to a replacement part - it's not sold in the retail market , it must be ordered directly to them.

Posted on Aug 06, 2010

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I would like a manual to the Sony KP ES43SN1 rar projection TV


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