Question about Sony Audio Players & Recorders
It looks like 20ma is insufficient for this radio. A quick search on the internet showed it needs 6v at about 700ma DC. Attached is the page I found. You should be able to find a supply like this lots of places. You can always safely have MORE current than 700ma, but you shouldn't use less. The device will only take as much current as it needs - like gas in a gas tank. Make sure the plug polarity is correct (a cheap $4 volt meter can measure this) as it shows in the instructions attached (inside plus, outside minus or ground). Good luck!
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Posted on Jan 02, 2017
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
Hello Xiar, Yes the center pin is positive. You have to use any regulated 6volt DC adapter.It may be a good ideea to put a 6v regulator (xx7806) after the adaptor bridge. I have a icf7600 fm/mw/sw 7band receiver too and I`m looking for the service manual or the pcb layout for it. If it by chance you have it mail me at email@example.com Regard, Alex
Posted on Apr 02, 2010
SOURCE: I have connected the power
The Battery sign with a slash on it is a indication of faulty battery or the weak battery.The battery needs to be replaced/.Some cases the battery gets overcharged and due to this it internally gets leaked.So replacing the battery should help in this case.this radio units dont come with spare batteries with the unit.So but the new set of 4AA batteries and replace the batteries and check.Insert the batteries to proper position.
You can get replacement batteries at
www.radioshack.com .Or at local electronics parts store.
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Posted on Sep 12, 2010
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