Fixed Yamaha P85 no sound

by Dave

My P85 had no sound so I used the service manual to replace a part on the circuit board. C122 was at fault. The service manual has schematics and the pcb is well marked. I have an electronics background and know how to solder.

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Feb 02, 2019
Yamaha P85 no sound fix
by: Anonymous

My Yamaha P85 had a no sound problem too. I replaced the two 100uf capacitors at locations C216 and C217 on the board where the DC power plug connects. Fixed it right up.

Jan 21, 2019
How did you find the problem sourse
by: Anonymous

i been looking at the circuit but i cant find the problem source

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