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Toshiba ce27f15 I have a Toshiba CE27F15 27" TV, vintage 1996. The video input works fine, but the cable input is breaking up the signal, audio and video. It's thermally sensitive, as the problem improves when the set warms up for 20 minutes or so. Sometimes it clears completely. I haven't cracked it open yet because I don't have a schematic. Any ideas where to start? Is there a free schematic available somewhere on-line? The set works great other than this, but it's not worth putting much money into since it's so old. But I'd like to give it one good attempt at a repair. Thanks, All...

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  • Mitch C Mar 18, 2008

    Great suggestions. I'll start there. Thanks!



    Would still be interested in getting a schematic. Any free download sites you know of ???

  • Mitch C Mar 19, 2008

    Thanks!

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Since it's thermal...the problem probably lies in the tuner circuitry...but it would be a good idea to rule out the obvious first...such as a cracked solder connection at the connector. Try physically moving the cable around while the symptom is present to see if it changes. Or try some freeze spray on the connector after it starts working. If it's thermal...freeze spray should make it fairly easy to isolate in or near the tuner.

Posted on Mar 17, 2008

  • networkmagic Mar 18, 2008

    Sorry...can't seem to find any free schematics. Sam's publishing has a technical manual for $20. You can search for it using your model number on this web page.

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