Connect the connectors correctly.
Repair the DIGITAL PCB.
NO
YES
4.3. Analog audio
No audio output.
Is a voltage of ±7V supplied to SIDE
CNT PCB CN64C 4-7pin?
Is there an audio signal in INPUT
PCB CN461?
Is electron volume serial data being
sent to SIDE CNT PCB CN23C
15-17pin?
Once more, connect the connectors correctly.
If the malfunctioning channel and function can be identiîšżed, check the corresponding
signal path.
Repair the ±7V power supply.
Repair the power ampliîšżer.
Is the connector correctly connected
with DIGITAL PCB?
YES
NO
YES
NO
YES
NO
97
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