Yamaha HTR-5920 Service Manual - Page 12

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Yamaha HTR-5920 Service Manual
HTR-5920
of remote control?
YES
FRONT P.C.B. is O.K.
12
B
Is work
NO
Check and replace IC81
NO
Is power voltage
of each board
correct?
YES
NO
Is power voltage
of RC81 correct?
YES
Is waveform
NO
of RC81
correct?
YES
Check
power supply part
Check
power supply part
Check and replace
RC81