Make sure to initialize this unit after replacing the microcomputer or any peripheral equipment, or the 
digital PCB.
1. Press the power button to turn off the power.
2.   While holding down buttons "
ZONE2 SOURCE
" and "DIMMER" simultaneously, press the power but-
ton to turn on the power.
3.   Release the buttons after conrming that the display ashes at 1-second intervals.  
* The unit is initialized.  
Use network initialization mode to initialize the network related settings.
NOTE: •  If the unit fails to enter the service mode in step 3, repeat the procedure from step 1.
•   Initializing the device restores the customized settings to the factory settings. Write down 
your settings in advance and recongure the settings after initialization.
 AVR-X1400H  
Use the following jigs (extension cable kit) when repairing the PCBs.
Order with your dealer for the jigs your dealer if necessary.
8U-110084S  :  EXTENSION UNIT KIT  :  1 Set
(See JIG FOR SERVICING)
DIMMER
X
ZONE2 
SOURCE
JIG FOR SERVICING
Initializing This Unit  
 AVR-X1400H  
CAUTION IN SERVICING.
Make sure to initialize this unit after replacing the microcomputer or any peripheral equipment, or the 
digital PCB.
1. Press the power button to turn off the power.
2.   While holding down buttons "
TUNER PRESET CH +
" and "TUNE -" simultaneously, press the power 
button to turn on the power.
3.   Release the buttons after conrming that the display ashes at 1-second intervals.  
* The unit is initialized.  
Use network initialization mode to initialize the network related settings.
NOTE: •  If the unit fails to enter the service mode in step 3, repeat the procedure from step 1.
•   Initializing the device restores the customized settings to the factory settings. Write down 
your settings in advance and recongure the settings after initialization.
 AVR-S730H  
Use the following jigs (extension cable kit) when repairing the PCBs.
Order with your dealer for the jigs your dealer if necessary.
8U-110084S  :  EXTENSION UNIT KIT  :  1 Set
(See JIG FOR SERVICING)
X
TUNER 
PRESET CH +
TUNE -
JIG FOR SERVICING 
Initializing This Unit  
 AVR-S730H  
8
Caution in 
servicing
Electrical Mechanical Repair Information Updating