Analog Audio; No Sound Is Output - Denon AVR-1611 Service Manual

4.3. Analog audio

No sound is output

Is the voltage of ±8V supplied to
AV B'D CP8?
YES
Is the audio signal transmitted to
AV B'D CN401?
NO
Is the serial data for electronic volume
transmitted to AV B'D CP11?
YES
Once more, checking the connection of the connector.
When can specify the trouble of the channel and function, Check signal route where it
corresponds.
NO
The power supply of ±8V is repaired.
YES
The power amplifi er is repaired.
YES
Is the connector correctly connected
with HDMI B'D?
43
NO
Connect the connectors properly.
YES
The HDMI B'D is repaired.