VSX-AX5Ai-S
136
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Is not
there poor contact
of lead wire of CN102-
pin 13 ?
IC503
End
pin 4
Is outputtingit ?
Replace IC503
Replace IC501
No
Yes
Step 8
IC501
pin 5
Is input signal H
?
IC521
No
Yes
Check DSP CONNECTION Assy or REGULATOR Assy and so on.
No
pin 14
Is a signal
outputting it
?
No
Yes
Replace IC501
pin 16
Is a signal
outputting it
?
No
Yes
Replace IC521
IC541
pin 14
Is a signal
outputting it
?
No
Yes
Replace IC521
pin 16
Is a signal
outputting it
?
No
Yes
Replace IC541
IC561
pin 14
Is a signal
outputting it
?
No
Yes
Replace IC541
pin 16
Is a signal
outputting it
?
No
Yes
Replace IC561
End
pin 14
Is a signal
outputting it
?
No
Yes
Replace IC561
pin 16
Is a signal
outputting it
?
No
Yes
Step 9