Question about Yamaha Music
First check if you get sound from the headphone jack.
Do you hear anything as the power comes on from the speakers..? A slight bump?
A lot of these dead audio things can be traced to a failure at the expression pedal. often these use a light dependent resistor and the illuminating lamp burns out. This is all down by the pedal.
Many of the Yamaha organs, including the FX20 I have, have circuitry that checks that the power amp has DC balance before a relay closes to connect the speaker. A failure in the amp can cause dead sound as well.
Posted on Jan 12, 2010
Posted on Apr 13, 2010
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