Analog Audio - Denon AVR-2311CI Service Manual

4.3. Analog audio

No sound is output
Is the voltage of ±8V supplied to
SIDE CNT B'D CP6 9-12 pin?
YES
Is the audio signal transmitted to
AUDIO B'D CN3001?
NO
Is the serial data for electronic volume
transmitted to FRONT CNT B'D P114
4,5pin?
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 amplifier is repaired.
YES
Is the connector correctly connected
with HDMI B'D?
52
NO
Connect the connectors properly.
YES
The HDMI B'D is repaired.