Question about Toshiba 35AF44 35" Rear Projection Television

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Toshiba 35AF44 Sound on full & will not shut off.

The set comes on when plugged in ac with sound full & no controls work.
I soldered new controls in {on\off,vol up\dn\ect.} same problem but now
it does it after a minute or so if left unplugged when cold.
When cold sometimes works ok for a minute.
I tryed cold spray-no go.
Any thoughts.
Thanks Mike

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  • sagey Nov 07, 2008

    Yes, as far as I can tell everything looks ok.

    The keyboard board has the buttons,a few transistors & 1 diode if I remember right.

    What about the audio board that is directly connected to it.

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Well, a shorted diode on the keyboard circuit would be likely. When you change out the tactile switches, did you check for any shorts on any of the switches?

Posted on Nov 07, 2008

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