Question about Sony ICF-SW77 AM/FM/SW Radio
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Posted on Jan 02, 2017
I found a posting that said this usually is a problem with weak memory batteries or a bad battery contacts. I replaced batteries and cleaned contacts and the problem was solved.
Posted on Mar 10, 2008
Sony radios of this era had notorious capacitor problems.... also several other brands were affected. These capacitors were underrated and the technology to make them was not at it's best back then. The cure is to replace the capacitors on the board with new electrolytics. About 28 of them need to be replaced but the big problem is to find someone to do this. the original capacitors are surface mount and must be removed and new radial lead caps put in their place, some are rather tough to get at and the new ones have to be placed carefully. My SONY ICF-SW7600 now works as new and maybe even better!
I have done this myself as I have skills working with surface mount capacitors. I offer my services to those who cannot find service for their radios. Please email me for details, I am not into making bucks on this, I just want to see these radios kept working and bringing enjoyment to their owners.
Good DXing Rod KB8DNS
Posted on Jun 15, 2009
These radios are subject to bad electrolytic capacitors. Need to replace them. Not an easy job but can be done for about 25 dollars plus shipping. Rod ( firstname.lastname@example.org )
Posted on Jul 16, 2010
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