Denon AVR-4810CI Service Manual page 72

Is the network module properly connected to CX304?
Is a voltage (5V) output between CX047 1pin and 4pin?
Can you connect with a different network module?
The network module is defective.
Checking the set (AVR-4810CI)
YES
YES
YES
YES
AVR-4810CI/AVR-4810
Is the antenna cable con-
nected to the network mod-
ule?
NO
Connect the network module properly into CX304 .
NO
The circuit from AC inlet to CX047 is defective.
Is operation normal when the 8U-310030 circuit board is
NO
replaced?
YES
The 8U-310030 circuit
board is defective.
72
Connect the antenna cable
NO
to X1 on the network mod-
ule.
NO
The 8U-210064 circuit
board may be defective.