VSX-LX70
64
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Operation of IC701 is OK
X : 1usec/div, Y : 2V/div
CN701 (Pins 2,3)
fig. : D+
X : 1usec/div, Y : 2V/div
fig. : D-
D+/D-
D+ and D- should have waveform
during normal condition.
Check the pattern in the path.
No
Yes
Step 5 :Communication between DM850E and
System
CPU
Are there
the waveforms
like figure
?
<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
→
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.
CN901 (Pin 13)
IC701 (Pin 12)
Check the DM850E operation
Check the DSP part
Yes
Step 6 : Audio Output
No
Check the parts and patterns in
the path.
Yes
No
Is there
the SPDIF digital
audio signal
?
Is there
the SPDIF digital
audio signal
?