Denon RBD-X1000, Service Manual

Page: 34 / 100

34
5. Analog audio
6. No Ether-net Operation
7. No USB2 Operation
No sound is output
Is the voltage of ±12V supplied to
CN405 of MAIN PWB?
Is the audio signal transmitted to
C196, C232 of MAIN PWB?
Once more, checking the connection of the connector.
When can specify the trouble of the channel and function, check the signal route
where it corresponds.
The power supply of ±12V is repaired.
The power amplifier is repaired.
Is the connector (CN400) correctly
connected with INPUT board?
Connect the connectors properly.
YES
NO
YES
NO
NO
YES
No connection with Ether-net
Check the LAN cable connection
In a network information on the home menu, and is "Link
STATUS" "Link UP"?
No connection with USB2(Back panel)
If see "Link UP", Set is fine.
Please check network environment.
Replace BE PWB if it is "Link DOWN".
Use the normal USB flash memory.
NO
YES
YES
YES
YES
Is this USB flash memory broken?
Is the wire between CN202 (MAIN PWB) and J13 (BE PWB)
surely connected?
Replace the BE PWB.
The wire connects surely.
NO
YES
NO
YES
YES