VSX-AX5Ai-S
134
1
2
3
4
1
2
3
4
C
D
F
A
B
E
IC701
End
pin 1
Is input signal L
?
Check IC401 (Go to Step 7)
No
Replace IC401
No
Yes
pins 2-4
Same signal
waveform
?
Replace IC701
No
Yes
pins 5-7
Same signal
waveform
?
Replace IC701
No
Yes
pins 11-9
Same signal
waveform
?
Replace IC701
No
Yes
pins 14-12
Same signal
waveform
?
Replace IC701
No
Is outputting it ?
Confirm
the poor contact
of lead wire of
CN102-pin 18.
Check the DSP CONNECTION Assy
or REGULATOR Assy and so on.
Check the DSP CONNECTION Assy
or REGULATOR Assy.
Front Opt in (pin 42)
No
Yes
Yes
Yes
Confirm
the poor contact
of lead wire of
CN102-pin 21.
MCK (pin 23)
LRCK (pin 24)
Pin 31
Is input signal
H ?
Yes
Pin 10
Is input signal
L ?
Replace IC201 or X201
Replace IC201
No
Pin 29
Is oscillating it
?
No
Is outputting it ?
No
No
No
Yes
Replace IC201
Is outputting it ?
No
Yes
SDTO (pin 25)
Replace IC201
Is outputting it ?
No
BCK (pin 26)
Yes
End
Yes
A
Step 4
