Yamaha HTR-5920 Service Manual page 11

A
Is volume NO
work well?
YES
Is output of
NO
Phones
correct?
YES
B
NO
Is power voltage
of each board
correct?
YES
NO
Is implementation
of VR82
correct?
YES
Are inputs of
NO
IC81 (pin 71 and 72)
correct?
YES
Check and replace IC81
Is power voltage NO
of each board
correct?
YES
Are connections
NO
of CN96 and BN73-2
correct?
YES
Check and replace JK81
HTR-5920
Check
power supply part
Check and replace
VR82
Check circuit pattern
Check
power supply part
Check connection
of cable
11