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    Sanyo RP-8880 repair?

    I made some notes and posted about this here: http://www.tech-cave.co.uk/2020/10/sanyo-rp-8880-receiver.html I hope it helps somebody who might be trying to get one of these receivers working.
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    Sanyo RP-8880 repair?

    The 2sc930 transistors are indeed a problem. Q303 2sc930d gain measured at 31. Q302 2sc930e gain measured at 34. Q305 2sc930d gain measured at 33. "D" parts should be 60-120 and "E" 100-200. That's quite a bit of gain lost overall! All three were replaced with SS9018G (gain measured at about...
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    Sanyo RP-8880 repair?

    Over a year later, I've finally got around to looking at this again. It had me stumped for ages, as every stage in the SW section seemed to work, but it took about 50 mV of input signal to get any audio! The biggest breakthrough was the discovery that the ceramic resonators had drifted. The 2nd...
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    Sanyo RP-8880 repair?

    My father bought one of these in about 1980 and used it frequently for some years. Sadly, it has spent quite a few years "resting" in my loft before I got around to blowing the dust off it. It was initially completely dead, but started coming to life after cleaning the switches carefully. The FM...