Question about Sanyo DS20930 20" TV
auto tunning problems
Same of the tact switch are defictive so change all the switches with a new one or else try to fix that switch
Posted on Oct 01, 2008
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Posted on Jan 02, 2017
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this problem is in system control section.
mostly it is due to AFT & Tunning circuit.
you will have to check voltage on that circuit.
also you can check loose contact in that ckt & near tuner also.
if you are aware of tv technology & all possible insfruments & schematic you can do it .
remember there is a high voltage in tv.
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