VSX-AX4AVi-S
221
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Check the DIGITAL MOTHER Assy.
Step 5:
J
J
IC301 (pin 82)
Step 5-1
60958
DVD playback
(In a case of no DVD audio output)
Is there a data
?
No
Yes
Replace the 1394 Assy.
Replace the 1394 Assy.
IC301 (pin 2)
Is there a data
?
No
Yes
K
IC404 (pin 4)
Is there a data
?
No
Yes
Check the DIGITAL MOTHER Assy.
J
J
IC301 (pins 98-103)
Step 5-2
CLK, DATA
DVD-AUDIO playback
(In a case of no DVD-AUDIO audio output)
Are there
clock and data?
No
Yes
Replace the 1394 Assy.
IC301 (pins 3-9)
Are there
clock and data
?
No
Yes
L
IC409 (pin 4)
Is there a MCK
?
No
Yes
To Steps 5-3-1, 5-3-2
M
J
X302 (pin 3)
Step 5-3
CLK, DATA
SACD playback
(In a case of no SACD audio output)
Is
oscillation
of 22.5792MHz
output?
No
Yes
IC301 (pins 70-72, 75-81)
Are there
clock and data
?
No
Yes
J
IC301 (pins 20, 22-25, 28, 29)
Are there
clock and data
?
No
Yes
Check the DIGITAL MOTHER Assy.
Check the DIGITAL MOTHER Assy.
N
J
IC401 (pins 19-23)
Step 5-3-1
Normal
Are there
clock and data
?
No
Yes
O
IC405 (pins 12-18)
Step 5-3-2
SACD DIRECT
(Select PURE DIRECT, using the AUTO
SURR/STREAM DIRECT key.)
Are there
clock and data
?
No
Yes
IC301 (pins 3-9)
Are there
clock and data
?
No
Yes
Check the soldering of X302.
If soldering has not been done
correctly, replace X302.
Check the soldering of IC301.
If soldering has not been done
correctly, replace IC301.
Check the soldering of IC404.
If soldering has not been done
correctly, replace IC404.
Check the soldering of IC409.
If soldering has not been done
correctly, replace IC409.
Check the soldering of IC301 and
IC302. If soldering has not been
done correctly, replace IC301 and
IC302.
Check the soldering of IC301 and
IC302. If soldering has not been
done correctly, replace IC301 and
IC302.
Check the soldering of IC401.
If soldering has not been done
correctly, replace IC401.
Check the soldering of IC301.
If soldering has not been done
correctly, replace IC301.
Check the soldering of IC405.
If soldering has not been done
correctly, replace IC405.
