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    #1

    philips plasma half screen

    i have a Philips Plasma tv model 42PF9630A/37 with top half of the screen black...i suspect it will be the upper y-sustain buffer....but could the main also be bad??? if the bottom half is still running ok, would you suspect the y-sus main is still good or no??? is there anyway to test this??? i dont want to have to replace the main if it doesnt need it...thank you very much
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    #2
    Re: philips plasma half screen

    Originally posted by minnguy32 View Post
    i have a Philips Plasma tv model 42PF9630A/37 with top half of the screen black...i suspect it will be the upper y-sustain buffer....but could the main also be bad??? if the bottom half is still running ok, would you suspect the y-sus main is still good or no??? is there anyway to test this??? i dont want to have to replace the main if it doesnt need it...thank you very much
    This TV seems to use the LJ92-01200A / LJ92-01202A / LJ92-01203A set of boards. It is almost unheard of for a Y buffer to fail without taking out the Y- Sustain (Y-Main). Maybe you got lucky. The question is: If you spend $70 and the the other two boards fail, taking the new one with them, is it going to be worth it?

    PlainBill
    For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

    Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

    Comment

      #3
      Re: philips plasma half screen

      Originally posted by PlainBill View Post
      This TV seems to use the LJ92-01200A / LJ92-01202A / LJ92-01203A set of boards. It is almost unheard of for a Y buffer to fail without taking out the Y- Sustain (Y-Main). Maybe you got lucky. The question is: If you spend $70 and the the other two boards fail, taking the new one with them, is it going to be worth it?

      PlainBill
      I have a non-working Magnavox 42MF230A/37 with these boards that apparently needs the buffers and sustain repaired. Replaced the power supply and have all voltages up to par but no picture or sound. I'm unclear as to what Coppell TV is offering when they repair the sustain/test the buffers? Do you know if they also repair the buffers or would they have to be replaced? Do you do any component repair?

      The cost of new buffers would make it not worth it...TV is a 2006 model.

      Is there any way to test the plasma panel to make sure it works?

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        #4
        Re: philips plasma half screen

        Originally posted by KTMLew View Post
        I have a non-working Magnavox 42MF230A/37 with these boards that apparently needs the buffers and sustain repaired. Replaced the power supply and have all voltages up to par but no picture or sound. I'm unclear as to what Coppell TV is offering when they repair the sustain/test the buffers? Do you know if they also repair the buffers or would they have to be replaced? Do you do any component repair?

        The cost of new buffers would make it not worth it...TV is a 2006 model.

        Is there any way to test the plasma panel to make sure it works?
        The information I have is the panel rarely fails; the problem is a poor design of the buffers and of the y-sustain. To test the panel, you would have to hook it up to a working set of cards.

        PlainBill
        For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

        Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

        Comment

          #5
          Re: philips plasma half screen

          Originally posted by PlainBill View Post
          The information I have is the panel rarely fails; the problem is a poor design of the buffers and of the y-sustain. To test the panel, you would have to hook it up to a working set of cards.

          PlainBill
          Exactly what I expected you to say...but maybe not as nicely!

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