Question about Sony KP-57WS500 57" Rear Projection Television

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SONY KP-57WS500 TV is Dead and blinks 6 times. Any

SONY KP-57WS500 TV is dead and LED blinks 6 times. Any Suggestions? Thanks, Alltech Service

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  • Jeff
    Jeff Nov 19, 2009

    Hi,

    What I found is Q8038, and Q8035 both shorted on the D-Board.

    Is there a common cross part number for these parts?

    Thanks, Jeff @ Alltech Service.

  • Jeff
    Jeff Nov 19, 2009

    No I don't



    Thanks

  • Jeff
    Jeff Nov 19, 2009

    Ok Thank You for your time.

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  • Master
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Hi,
6 times blink shows following error in TV..
Low B OCP/OVP
(Over current/Over voltage) +5 line is overloaded. (A, B Boards) or +5 line is shorted. (A, B Boards)
Above said is service manual description of 6 blinks error
Please check power supply +135V output and if its missing, replace IC6003 MCZ3001D and Q6005 & Q6006
Let me know your finding to move forward,
Thanks.



Posted on Nov 19, 2009

  • 1 more comment 
  • Shahid Electronics
    Shahid Electronics Nov 19, 2009

    Hi,

    What I found is Q8038, and Q8035 both shorted on the D-Board.

    Is there a common cross part number for these parts?

    Thanks, Jeff @ Alltech Service.
    ==============================================

    TV should show 2 or 7 blinks error on shortage of these transistors.
    Q8035 is H-Out and Q8038 is HV Out
    Check +135 volts as I think its much over volts that can damage above transistors.
    If HV Block is shorted that can also blow off said transistors. Flyback transformer is also can be cause of problem.
    Do you have schematics of Sony KP-57WS500 ?
    Thanks.



  • Shahid Electronics
    Shahid Electronics Nov 19, 2009

    OK, click HERE and download all 11 files and unzip with Winrar to get pdf format service manual copy that will help you as you are tech person.
    Download Winrar trail version if you don't have yet.
    Hope that will solve TV problem.
    Thanks.



  • Shahid Electronics
    Shahid Electronics Nov 19, 2009

    Thanks, you are fellow expert :)



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