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Mitsubishi TV, no luminance...

Discussion in 'Electronic Repair' started by Fred Bartoli, Apr 18, 2005.

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  1. Fred Bartoli

    Fred Bartoli Guest

    Hi all,
    I have a Mitsu TV set ( CT-21M1FM ) that have lost it's luminance signal
    (gradually, so that's probably a drying electrolytic cap or something like
    that).

    Unfortunately, I don't have the schematics and can't locate the datasheet of
    the main board last video circuit (Toshiba TA7676 RGB-PAL-SECAM video
    switch...) that drive the video amplifiers. Thus I can't trace back where
    the luminance signal stops.

    Anyone having either this schematics, or of one TV set using this TA7676, or
    maybe the TA7676 datasheet.


    Oh, the TV set doesn't have PiP.

    Any information welcomed.
     
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