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In Reply to: RE: Question about Technics ST-S4 tuner preset circuitry. posted by Steve O on November 05, 2020 at 07:53:49
That really helps, thanks. The originals are 1/2 inch Dia. X 1 inch High. The are tightly spaced, and the cabinet sleeve won't allow any taller. I should be able to find three 2.7V / 3.3F caps, I hope. Cheers!
Follow Ups:
The supply houses almost always provide links to detailed data sheets so you can measure your parts and select new ones that match dimensionally. IME, the exact value of capacitance is not critical so you can increase or decrease within reason wo creating problems as space dictates. The primary effect of lower value will be reduced length of memory which may be of no or minor consequence depending on your expectations and how long you leave unit unplugged.
I didn't spend a lot for the tuner, less than the equivalent of US$10, so I just wanted to practice recapping and other basic work. This is the closest (in voltage and capacitance) that I have found on eBay, and very inexpensive too. Would they be OK?
It could be OK. OTOH, I'm unfamiliar with the brand and am wary of Chinese stuff from outside normal distribution channels. Remember the "sick cap" incident a while back? Personally, I'd look for something from the usual sources. As always, YMMV.
Well, the guy at the local parts supplier found a single 2.7V / 10F from Illinois Capacitor that he says will replace the three originals. The physical size is the same as one of the originals, so there won't be any fitting issues. Thanks for your advice.
Yes, Mr. President, it is probably time to dust off your Statute of Limitations calendar.
I decided against anything Chinese. Thanks again for your help.
It's over. You lost. So why do I still have to see your bloated orange face everywhere?
Mouser has Panasonic 3.3F @ 2.5V, measuring 20 mm L x 8 mm diameter (link below) which are shorter and narrower than the original memory caps in the tuner, so there should be no problem fitting them in.
Why gamble with Chinese caps of unknown quality?
I know what you are saying about Chinese stuff, and I don't disagree. This is a pedestrian tuner that cost me very little money, so I am not risking a lot if I waste another five bucks on the caps. The problem with the usual suppliers is that the shipping cost for three caps would prohibitive. I have a local parts supplier checking into it, and I am hoping that he could add them to his next order.
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