Denon AVR-1712, Service Manual

Page: 63 / 161

63
4.3. Analog audio
No sound is output
Is the voltage of ±8V supplied to
AV B'D CP14?
Is the audio signal transmitted to
AV B'D CN401?
Is the serial data for electronic volume
transmitted to AV B'D CP14?
Once more, check the connection of the connector.
When you can specify the troubled channel and function, check the corresponding
signal route.
The power supply of ±8V is repaired.
The power amplifier is repaired.
Is the connector correctly connected
with HDMI B'D?
Connect the connectors properly.
The HDMI B'D is repaired.
YES
NO
YES
NO
NO
YES
YES
YES