Pioneer VSX-84TXSi-S Service Manual page 61

5
Step 5:
DVD playback
Step 5-1
(In a case of no DVD audio output)
60958
IC301 (pin 82)
T1
No
Replace the HDMI & 1394 Assy.
Is there a data
?
Yes
IC301 (pin 2) T1
Check the soldering of IC301.
No
If soldering has not been done
Is there a data
?
correctly, replace IC301.
Yes
IC404 (pin 4)
T2
Check the soldering of IC404.
No
Is there a data
If soldering has not been done
?
correctly, replace IC404.
Yes
A1
CN1001 (pin 6)
Check the soldering of IC464.
No
Is there a data
If soldering has not been done
?
correctly, replace IC464.
Yes
Check the INTERFACE or
DIGITAL MOTHER ASSY
Step 5-2 DVD-AUDIO playback
(In a case of no DVD-AUDIO audio output)
IC301 (pins 98-103) CLK, DATA
T1
Are there
No
Replace the HDMI & 1394 Assy.
clock and data
?
Yes
T1
IC301 (pins 3-9)
Check the soldering of IC301 and
Are there
No
IC302. If soldering has not been
clock and data
done correctly, replace IC301 and
?
IC302.
5
6
Yes
CN409 (pin 4)
Is there a MCK
?
Yes
CN1001 (pin 8-13,15)
Is there a
CLK,DATA
?
Yes
Check the INTERFACE or
DIGITAL MOTHER ASSY
Step 5-3
X302 (pin 3)
Is
oscillation
of 22.5792MHz
output?
Yes
IC301 (pins 70-72, 75-81)
Are there
clock and data
?
Yes
IC301 (pins 20, 22-25, 28, 29)
Are there
clock and data
?
Yes
IC462 (pins 19-23)
Are there
clock and data
?
Yes
To Steps 5-3-1, 5-3-2
VSX-84TXSi
6
7
U1
No Check the soldering of IC409.
If soldering has not been done
correctly, replace IC409.
A1
Check the soldering of IC466.
No
If soldering has not been done
correctly, replace IC466.
SACD playback
(In a case of no SACD audio output)
CLK, DATA
V1
Check the soldering of X302.
No
If soldering has not been done
correctly, replace X302.
T1
No
Replace the HDMI & 1394 Assy.
T1
Check the soldering of IC301 and
No
IC302. If soldering has not been
done correctly, replace IC301 and
IC302.
V2
Check the soldering of IC462.
No
If soldering has not been done
correctly, replace IC462.
7
8
A
B
C
D
E
F
61
8