Checking the settings
YES
YES
YES
YES
Are the AVR-3311CI's network settings correct?
Are the router, hub and other peripherals properly connected?
Are the router's settings correct?
Set the IP address and other parameters
properly. For a xed IP setting, check
whether the IP address is redundant with
that of other devices, and check whether the
subnet mask setting is correct.
Connect properly to peripherals.
Check the router's operating instructions
and set properly.
Check whether there are connection
restrictions due to the MAC address, etc.
NO
NO
NO
82
5. Network/USB
5.1. Cannot connect to network
YES
Is the LAN cable properly connected?
Check the LAN cable properly then turn the
power back on.
NO
Checking the environment
The U4202 and surrounding circuitry are defective.
Checking the set (AVR-3311CI)
YES
YES
YES
YES
Is input voltage (3.3V) being supplied of U4601?
Is output voltage (1.2V) being supplied of U4603?
Is the version of IMG or Ethernet SBL displayed with Version check
mode?
Is a voltage (5V) being supplied between N4610 3pin and 4pin?
The U4601 and surrounding circuitry or
circuitry of 3.3v device is defective.
The U4603 or U3900 and surrounding
circuitry is defective.
The rmware of ethernet is defective.
The circuit from AC inlet to N4610 is defective.
NO
NO
NO
NO
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