Marantz NR1506 /U1B - Analog Audio Troubleshooting; Analog Audio Output Issues

Connect the connectors correctly.
Repair the HDMI PCB.
NO
YES
4.3. Analog audio
No audio output.
Is a voltage of ± 8 V supplied to AV
PCB CN5201?
Is there an audio signal in AV PCB
CN4801?
Reconnect the connectors correctly.
If the malfunctioning channel and function can be identied, check the correspond-
ing signal path.
Repair the ± 7V power supply.
Repair the power amplier.
Is the connector correctly connected
to the HDMI PCB?
YES
NO
YES
NO
YES
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