Pioneer XC-Z9 Service Manual page 29

5
QQ
3 7 63 1515 0
Step 5 :Communication between DM850E and
System CPU
CN701 (Pins 2,3)
Are there
the waveforms
like figure?
Yes
Operation of IC701 is OK
fig. : D+
TE
L 13942296513
fig. : D-
<Additional information>
• An IC having data (MAC addresses, Favorite and Details etc. that users have changed) on the network (Home Media
Gallery) is IC881 (AYW7185).
• How to confirm the network connection
Set to "Home Media Gallery" entry → Select "Set up" from home menu → Select "Network Setup" with ↑↓ Key →
www
When "Network Connection Network Found" is displayed, the network can be connected.
When "Network Connection No Network Found" is displayed, the network cannot be connected.
→ Check the router setting or LAN connection.
.
5
http://www.xiaoyu163.com
6
D+/D-
D+ and D- should have waveform
No
during normal condition.
Check the pattern in the path.
X : 1usec/div, Y : 2V/div
X : 1usec/div, Y : 2V/div
x ao u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
Step 6 : Audio Output
CN901 (Pins 5, 7, 9, 11)
Is there
2
the I S digital
audio signal?
No
IC701 (Pin 2, 4, 196, 197)
Is there
2
the I S digital
audio signal?
No
Check the DM850E operation
Q Q
3 6 7 1 3 1 5
co
.
XC-Z9
7
8
9 4 2 8
Yes
Check the DSP part
Yes
Check the parts and patterns in
the path.
0 5 8 2 9 9 4 2 8
m
9 9
A
B
C
9 9
D
E
F
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