Denon AVR-X4200W - Page 109

4.3. Analogaudio
No audio output.
Is a voltage of ± 7V supplied to SIDE CNT
PCB CN64C 4-7 pin?
Is there an audio signal in AMP PCB CN461?
Is electron volume serial data being sent to
SIDE CNT PCB CN23C 15, 16, 17 pin?
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.
Check the CPU.
YES
NO
YES
NO
YES
NO
109