Question about Sony ICF-SW77 AM/FM/SW Radio

1 Answer

No Battery Power

For some reason, my ICF-SW77 won't operate on batteries. Even with brand new batteries, I still get the flashing dead battery symbol in the display. I disassemblied it and couldn't find any visible problems. I thought I read somewhere long time ago that you need to plug it into an AC outlet periodically if you're not going to use it for a long time. Would that have something to do with the problem?? Any solution would be appreciated. Thanks!!

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Late with this answer.... Battery tabs sometimes loose contact with signal board near volume slide, possible solution is to reapply solder and bend contacts slightly.

Posted on Feb 06, 2012

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Posted on Jan 02, 2017

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SOURCE: Sony ICF-SW77 no Audio

you can get the service manual online at www.mods.dk

Posted on Aug 12, 2009

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SOURCE: I wont to buy the antenna of sony icf-sw77?

You can but online. Google for sony part number 1-501-505-11 (replaced by 1-501-505-21)

Posted on Sep 28, 2011

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I wont to buy the antenna of sony icf-sw77?


You can but online. Google for sony part number 1-501-505-11 (replaced by 1-501-505-21)

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Need a more descriptive question please. I know this model and the usual problem lies with faulty capacitors. Contact me .... poikaa(at)yahoo(dot)com

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Indicated the memory is lost, usually this points to back up battery that needs replacing. I do this service.... contact me here .... poikaa(at)yahoo(dot)com

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Bon Jour!
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1 Answer

Sony ICF-SW77 no Audio


you can get the service manual online at www.mods.dk

Jan 15, 2007 | Sony ICF-SW77 AM/FM/SW Radio

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