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I have a old Sony ICF-SW77 portable shortwave receiver which has lost it's audio. I have replaced the audio o/p IC but still dead. I've reached the limit of my ability and would appreciate help. Thanks. Phil

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  • Annalog Dec 01, 2008

    Hi Duncan,



    Many thanks for that.



    Will do.



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Look up a data sheet on the audio output IC and get the pin out labels for the pins on it. Then check to see if you have all the right voltages especially at the power supply and ground pins. Good luck.

Posted on Dec 01, 2008

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