Question about Sony Televison & Video

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When powering on, sometimes the picture and sound come on fine. at other times upon powering on i get the red blinking light (3 times). after 1 to 8 attempts to power on , it finally works.

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  • hangingin200 Sep 07, 2010

    The model no. is KDSR60XBR1 . I suspect the problem has something to do with the microchip in the lamp door. However, i thought it might be some type of voltage problem based on Sonys' diagnostic stating that three blinks of red light might indicate this. Thank you

  • hangingin200 Sep 07, 2010

    Thanks. Last question. I can take the back panel off the TV but was wondering how difficult it is to replace microswitch. If it is a low degree of difficulty (unplug old/plug in new). If it is more difficult than that, then I will decide to try to do it or call a technician. What's your thought or opinion? Again, thank you very much. Regards, Bill

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1 Answer

Shahid Electronics
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  • Master
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Hi,
I need model number of your Sony tv to diagnose possible cause of problem. Model number would be written at back of tv.
Thanks.

Posted on Sep 07, 2010

  • 1 more comment 
  • Shahid Electronics
    Shahid Electronics Sep 07, 2010

    OK, Sony KDSR60XBR1 tv
    3 times blink is an error code that shows problem with lamp cover micro switch that is not being pressed by lamp cover correctly. It is safety switch that tells system control chip that lamp cover is in its position securely and tight.
    Check lamp cover that might not be fixed properly, put that lamp cover in its place properly to solve tv issue and if lamp cover seems OK then check/ replace micro switch.
    Let me know if you have additional question.
    Thanks.

  • Shahid Electronics
    Shahid Electronics Sep 07, 2010

    I think lamp door switch replacement is not so difficult job for handy person.
    Below is exploded view that shows T1 Board location that has safety switch on it, replace that little board if switch is broken.
    T1 Board part number is as follows:

    A1123096A....... T1 BOARD, COMPLETE
    Available in PartStore.com
    Hope these info will help you.
    Thanks.

  • Shahid Electronics
    Shahid Electronics Sep 16, 2010

    Need any more help?

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