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Recent Yamaha B-20BR-related questions: Yamaha Electone B-20brThanks for answers received. Now have a manual and could do measurements.The Divider board has no vo... My B-20br Yamaha Electone Has No Sound When Depressing Any Note Or Pedal.
I suspect the power amplifier is faulty. i need a circuit diagram so that i can do the necessary fau... Yamaha B-20br Fixed
Faulty IC chip HD3111 on the divider board was pulling the supply voltage down. All other chips ok r...