Question about Sharp 32F640 32" TV

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Tuner problem The input on the TV will change on it's own without me using the remote or changing it in any other way. It will change from input 1 to 2 to 3 and so on. I can't control the input from changing, and it's impossible to watch tv.

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Your problem is in the system control section of your tv. please check 1 supply to systemcontrol ic or loose contact. 2 supply or loose contact in tunning ckt of tuner (33v zener line) 3 aft ckt loose or defrctive. 4 loose button on remote &front panel of tv. 5 memory ic. 6 system contro ic. I think this will help. good luck . 4 system

Posted on Sep 29, 2007

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Posted on Jan 02, 2017

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