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Panasonic 27" Squashed Picture

Discussion in 'Electronic Repair' started by Jim, Oct 12, 2004.

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  1. Jim

    Jim Guest

    Hey guys,
    I have a 1992 Panasonic PC-29XF10A 27" TV.

    Since about 2 days ago, a ~2" black bar appeared at the bottom of the
    picture and the remaining picture on top of that is compressed
    (squashed) vertically.

    Does anybody have an idea of what components went? And how to figure
    out which ones to replace?

    Haven't repaired any TV's so I am a bit lost when looking inside of
    one, so if anyone can help me in terms of physically locating the area
    that went, that would be great. Or if anyone has a diagram or
    component #'s for that specific model, that would be even better.

    Thanks guys,
    Jim
     
  2. Jerry G.

    Jerry G. Guest

    Look for capacitors in the vertical deflection area that have become
    high in ESR. Or, replace all the caps in that section if you cannot
    properly test them.

    If you are starting to have bad caps in the vertical amp section, it is
    possible that there are others in the rest of the set, that are starting
    to also go bad.

    --

    Jerry G.
    ======

    Hey guys,
    I have a 1992 Panasonic PC-29XF10A 27" TV.

    Since about 2 days ago, a ~2" black bar appeared at the bottom of the
    picture and the remaining picture on top of that is compressed
    (squashed) vertically.

    Does anybody have an idea of what components went? And how to figure
    out which ones to replace?

    Haven't repaired any TV's so I am a bit lost when looking inside of
    one, so if anyone can help me in terms of physically locating the area
    that went, that would be great. Or if anyone has a diagram or
    component #'s for that specific model, that would be even better.

    Thanks guys,
    Jim
     
  3. Bradley26

    Bradley26 Guest

    Ive had tvs that did this, and it was either those capacitors, or the caps
    and vertical drivers, I change all the caps in the section and the drivers.
     
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