Pioneer VSX-C402-S Service Manual page 93

5
Step 6
IC8501
Pin 4
Does
No
a signal output
it?
Yes
Pin 5
Does
No
a signal output
it?
Yes
Pin 6
Does
No
a signal output
it?
Yes
Pin 7
Does
No
a signal output
it?
Yes
End
5
6
Replace IC8501.
Replace IC8501.
Replace IC8501.
Replace IC8501.
VSX-C402-S
6
7
Step 7
IC8401
Pin 21
Does
No
a signal output
it?
Yes
Pin 22
Does
No
a signal output
it?
Yes
Pin 23
Does
No
a signal output
it?
Yes
Pin 24
Does
No
a signal output
it?
Yes
Pin 25
Does
No
a signal output
it?
Yes
Pin 26
Does
No
a signal output
it?
Yes
Pin 27
Does
No
a signal output
it?
Yes
Pin 28
Does
No
a signal output
it?
Yes
End
7
8
Replace IC8401.
Replace IC8401.
Replace IC8401.
Replace IC8401.
Replace IC8401.
Replace IC8401.
Replace IC8401.
Replace IC8401.
93
8
A
B
C
D
E
F