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4.3. Analog audio
No sound is output
Is the voltage of ±7V supplied to
INPUT B'D CN4004?
YES
Is the audio signal transmitted to
INPUT B'D CN401?
NO
Is the serial data for electronic volume
transmitted to INPUT B'D CP4200?
YES
Once more, check the connection of the connector.
When you can specify the troubled channel and function, check the corresponding
signal route.
NO
The power supply of ±7V is repaired.
YES
The power amplifier is repaired.
YES
Is the connector correctly connected
with HDMI B'D?
95
NO
Connect the connectors properly.
YES
The HDMI B'D is repaired.
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