Question about Sharp LC19SB27UT LCD TV
Possible failure of the output IC in the Tv's audio section.
First of all open and check for possible failure of the main power supply to the output IC, Check if the series fuse/fusible resistor has opened, if after replacing the same issues come up then it is confirmed that the IC is defective.
If power comes to IC then check on the bias resistors around the IC or the feedback loop,-- capacitors in this section.
Posted on Aug 28, 2010
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Posted on Jan 02, 2017
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