Pioneer VSX-45TX Service Manual page 122

1
Step 8
QQ
3 7 63 1515 0
IC503
A
pin 4
Is outputtingit ?
Yes
End
Step 9
IC501
B
pin 5
Is input signal H
?
Yes
pin 14
Is a signal
outputting it
?
Yes
pin 16
C
Is a signal
outputting it
?
Yes
IC521
TE
L 13942296513
pin 14
Is a signal
outputting it
?
Yes
D
pin 16
Is a signal
outputting it
?
Yes
IC541
pin 14
Is a signal
outputting it
?
Yes
E
pin 16
Is a signal
outputting it
?
Yes
IC561
www
F
122
1
http://www.xiaoyu163.com
2
No
Replace IC503
Is not
No there poor contact
of lead wire of CN102-
pin 13 ?
No
Replace IC501
No
Replace IC501
No
Replace IC521
No
Replace IC521
No
Replace IC541
No
Replace IC541
x ao
y
. i
2
http://www.xiaoyu163.com
3
8
No
Check DSP CONNECTION Assy or REGULATOR Assy and so on.
Q Q
3 6 7 1 3
pin 14
Is a signal
outputting it
?
Yes
pin 16
Is a signal
outputting it
?
Yes
u163
End
.
VSX-45TX
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9
No
Replace IC561
No
Replace IC561
m
co
4
9 9
9 4 2 8 9 9