dillahm
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I am repairing a Yamaha cr 2020, the power supply voltages -40v & + 40v are imballance, the -40v is -57v, the +40 is OK, also the -25v is +10V instead and the -13.6v is missing.This put the receiver in protection mode, therefore will not startup. I would appriate some help. Thanks Mustapha