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Magnavox TS2744 sound ok, picture bad

Discussion in 'Electronic Repair' started by Jabujna, Jan 21, 2004.

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  1. Jabujna

    Jabujna Guest

    I have a 27" maganavox color tv TS2744 C103. The sound seems to be ok. The
    picture is mostly black with a narrow vertical band about 1/4" wide x 4" high
    at the lower left of the screen in addition to a thin horizontal multicolored
    line that runs across the screen up from the bottom of the tube about 3 - 4
    inches. Any known problems with similar sets or similar repair solutions to my
    problem? The chassis is 27B80-7562. Any help would be greatly appreciated.
    Either reply to newsgroup and / or

    Many thanks in advance!
  2. David

    David Guest

    Vertical circuit failure. Could be vertical ic solder connections. Solder
    connection induced failure of the ic and subsequent opening of either or
    both the B+ and B- scan derived power supply sources. Possible shorting of
    the scan derived b+ or b- diodes. Fairly straightforward to repair for any
    competant tech.

    There are some parts upgrades for that circuit and other service tips from
    Philips to improve that circuit that should be followed for repair.

    Well under a $90 usual total repair cost in most areas when you take the tv
    in for repair.

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