Question about Sony ICF-SW7600 AM/FM/SW Radio

3 Answers

13 years old Sony ICF-SW7600 not working

I have a 13 year old Sony ICF-SW7600. The radio has not been used for a long time. When I switched it on recently the radio does not work on any band. I could only receive very low signal from a local radio station. The local radio seemed to be not changing even I tuned the radio to a diffferent frequency. Please advice if there is anything I can do to fix this radio.

Thanks

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  • Anonymous Dec 06, 2008

    My radio was stored for over a year. When I turn it on it plays well for a minute or two and then the reception is lost. When I turn it on again later it plays well then fades away again. Seemed like the batteries were running down fast. They are OK. The problem still occurs when using the AC power supply.



    John

  • rmosettig Dec 16, 2008

    My SW7600 has no fuctions at all, the clock is working ok. I thought the power switch is lacking its continuity with the diodes beneath.

  • Anonymous May 01, 2009

    My 7600 suddenly stoped receiving all AM throughout all frequencies, except for constant background QRN. Plays FM bands okay, though. This happened suddenly last night after radio had been sitting for a couple of years (batteries out). It played okay for about 15 minutes, then nothing.

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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

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I do have the same receiver. but i couldn't get chip electrolytic capacitor. i have soldering skills. can i replace those capacitors with ordinary types instead of chips? the height will be a problem but i can place the capacitors horizontally. in the dc to dc converter it may be a problem to place the capacitor. please help me sir

Posted on Oct 14, 2011

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Hello,
Capacitors on main board of radio got weak and need to be replaced.
If you have soldering experience and knowledge of basic electronics, let me know to guide you further.
Thank you.

Posted on Nov 26, 2008

  • J.r. Parameswaran May 31, 2015

    oh Thank you. I have such knowledge and skills and experience. Please guide me

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Your Sony ICF-SW7600 Radio requires all Electrolytic Capacitors replacement and electrolytic caps are shown in below picture.
Thanks for service manual offer, I already have it as professional.

3174475.jpg

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