Pioneer VSX-56TXi Service Manual page 137

5
Step 5
IC304
pin 8
No
Is 33MHz
outputting
it ?
Yes
pin 10
No
Is 33MHz
outputting
it ?
Yes
End
Step 6
IC301
pin 4
No
Is outputtingit ?
Yes
pin 5
No
Is outputtingit ?
Yes
pin 6
No
Is outputtingit ?
Yes
pin 7
No
Is outputtingit ?
Yes
End
Step 7
IC401
pin 4
No
Is outputtingit ?
Yes
pin 5
No
Is outputtingit ?
Yes
pin 6
No
Is outputtingit ?
Yes
End
5
6
Replace IC304 or X301
Replace IC304 or X301
Is not
there poor contact No
of lead wire of IC301 or
IC302 or IC303
?
Is not
there poor contact No
of lead wire of IC301 or
IC302 or IC303
?
Is not
there poor contact No
of lead wire of IC301 or
IC302 or IC303
?
Is not
there poor contact No
of lead wire of IC301 or
IC302 or IC303
?
Is not
there poor contact No
of lead wire of IC401
or IC451
?
Is not
there poor contact No
of lead wire of IC401
or IC451
?
Is not
there poor contact No
of lead wire of IC401
or IC451
?
6
7
Replace IC301 or IC302 or IC303
Replace IC301 or IC302 or IC303
Replace IC301 or IC302 or IC303
Replace IC301 or IC302 or IC303
Replace IC401 or IC451
Replace IC401 or IC451
Replace IC401 or IC451
VSX-56TXi
7
8
A
B
C
D
E
F
137
8