Question about Projection Televisions

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SAMSUNG HL-S6767W will not power on.

TV will not power on, Lamp and main board was replaced late last year.

I can get it to turn on and it will run great, But when I turn it off and try to turn it back on I get a sound and No Picture. I will have to have it shut off for over 12 hours before it turns back on....

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  • 2 more comments 
  • Joseph Salazar Jan 29, 2008

    If this done not work could it be the Optic / Engine?

  • Joseph Salazar Jan 30, 2008

    Saw the TV, and spoke to client, Unplugged set and banged it like you said...??? What happens is when TV is turned back on....

    Sometimes gets sound only

    Sometimes gets nothing....Nothing...

    What boards should I replace.

  • Joseph Salazar Feb 01, 2008

    Hey there Cool Guy,

    I am a new technician and was testing this site for help when I need it. I Called my buddy who owns a TV Repair Shop, and without blinking an eye said it was the Optic Block, I will replace it and respond.

  • Joseph Salazar Feb 09, 2008

    I was right, It was the Optic Engine,

    I replaced it and it's working Great !!!

    Joseph

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  • 3,422 Answers

I think the controller IC chip has gone kaput. BUT, it could also be just a software glitch. So, try a hard reset and see if it solves the problem. If it does not you will need service. If still under warranty the factory service center should take care of it.

Do a hard reset by unplugging the power cord, as you have been doing, but a complete reset requires the power to be unplugged for at least 4 hours. Then when you turn it on all the internal soft codes will boot up to factory default settings.

Also, just in case there are loose connections or cold solder joints at the root of the problem, with your hand or fist go around and smack on the cabinet front, back, sides, etc. to see if that will wake up any dead connections.

Let me know the outcome

Dont forget to rate me as fixya..

Posted on Jan 29, 2008

  • 2 more comments 
  • Priya darshan Feb 01, 2008

    Common parts are still available, but custom parts such as a power transformer and certain Integrated circuits may not be.

    Because there is a very high statistical probability of another failure
    soon after the repair. Why? Because there are hundreds/thousands of
    parts in the set and millions of transistors inside the ICs. They
    follow a statistical pattern of failure and one failure means another
    one could come any time.



    If you were a technician and could fix it yourself - or had someone in
    the family who could fix it for free or for parts costs it might be
    worth it.

  • Priya darshan Feb 01, 2008

    this sounds like a bad power supply. a repair cost will range around
    120-200. samsung tv's are not what everyone thinks they are. they do
    not last long. i would not have it repaired. invest into a newer tv.
    pay a little more and get a sony it will last longer.

    good luck :)

  • Priya darshan Feb 01, 2008

    ok..

    My best wishes to you hope ur TV gets well soon..

  • Priya darshan Feb 09, 2008

    congrats finally your problem is solved if you have any other problems in future please ask me..

    Goodluck once again please don't forget to rate me as fixya for my efforts..

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