Question about Panasonic PT-53WX42 53" Rear Projection Television

1 Answer

Panasonic pt53wx42f power light blinks in fives no picture or sound My tv just turned itself off and will not restart unless I unplug and plug back in. The when started will come on for about 2-3 seconds and go back off, then red power LED will blink twice then pause and blink twice again, over and over. It is about 5-1/2 years old. Any help would be appreciated. John@rcsllc.com. Thanks, John

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  • johnMW Jul 13, 2008

    Lee, you are correct, it doesn't blink twice the pause and again, it blinks 3 times, then pauses, then blinks 3 times again, on and on. Again this is after unplugging and re-energizing the tv at which time it shuts off after about 2-3 seconds, goes black, no noise, and starts blinking in 3's.

    Thanks, JohnMW. john@rcsllc.com

  • johnMW Jul 13, 2008

    Thanks Lee,



    I'll take the back off and try to find the thermal fuse first.



    Regards,



    JohnMS

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This sounds like a main power board issue. After you unplug it, it will work? Are you planning on trying to service it or having it serviced?
Thanks,
Lee

Posted on Jul 13, 2008

  • 4 more comments 
  • Lee A.
    Lee A. Jul 13, 2008

    also commonly with these tv's it is the two convergence ICs (STK392-XXX). they are about 6" each and are bolted and soldered on i believe. Not the easiest thing to do you should definitely know what your doing but if you have this information for a tech guy I am sure it wouldn't be a costly repair. I always recommend a qualified technician.
    Thanks,
    Lee


  • Lee A.
    Lee A. Jul 13, 2008

    also are you sure it is blinking twice and not 3 times?
    Thanks,
    Lee


  • Lee A.
    Lee A. Jul 13, 2008

    also I believe there is possibly a thermal fuse behind the cover you might want to check that.

    Inspect everything to see first. It is possibly the 2 IC's I mentioned.

    Thanks,

    Lee

  • Lee A.
    Lee A. Jul 13, 2008

    There are 6 flashes (and POSSIBLE circuits that are bad):



    1 - +140

    2 - Low DC

    3 - Convergence

    4 - HHS

    5 - IC4011

    6 - IC4018
    This should help you also there should b an F or a CF after the model number you can purchase the service manual from www.manualsparadise.com for about 25$
    Let me know the exact model and I can give you the direct link and then you should have a much better chance servicing it yourself.
    Thanks,
    Lee


  • Lee A.
    Lee A. Jul 13, 2008

    Your very welcome. If you have a moment I would greatly appreciate if you cold accept a rate accordingly. I hope you will give it a FixYa! as I will continue to work on your problem as I strive to give fast, accurate, and economical solutions.
    Thanks,
    Lee


  • Lee A.
    Lee A. Jul 13, 2008

    I meant if you had a moment I would greatly appreciate it if you could accept the solution and rate it accordingly.
    Your welcome and thanks again,
    Lee


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