A friend asked if I could help him fix his GRC-102 HF transceiver, which I understand to be a Grinell TR32.
It receives nicely on AM but just a low medium pitched hum on SSB.
What I would like to find is a schematic for this section of the radio, the product detector (or whatever they use) and audio switching. I know where it is located in the radio and have done some probing.
Does anyone have any idea where I might find this? Maybe a SA ham has some information?
Peter
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