4.3. Analog audio
No audio output.
Is a voltage of ± 7V supplied to SPEAKER
PCB N6203 1-3 pin?
Is there an audio signal in L-AMP CONNECT
PCB N5811?
Is electron volume serial data being sent to
DIGITAL PCB?
Reconnect the connectors correctly.
If the malfunctioning channel and function can be identified, check the correspond-
ing signal path.
Repair the ± 7V power supply.
Repair the power amplifier.
Check the CPU.
YES
NO
YES
NO
YES
NO
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