Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Fred Bartoli
 
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Default Mitsubishi TV, no luminance...

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.


--
Thanks,
Fred.


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