Quote:
Originally Posted by ThePlague
Looking at the audio board in the unit and the schematic, it would seem that you are correct. There are two small relays labeled RL402 and RL401....
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While playing back a tape try tapping on the relays with a toothbrush handle or small screwdriver handle. You may hear a change or even proper audio.
I've cleaned and made relays work at least temporarily with a piece of thick paper wet with Deoxit spray back and forth a few times between the contacts.