3-1. Selecting the Mode for Service-related
3-1.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, 232C standby clear 
mode, Operation Info mode, TUNER STEP mode or Remote ID Setup Mode.
3-1.2. Starting up
 AVR-X1400H  
·   While holding down buttons "
ZONE2 SOURCE
", "
DIMMER
" and "
STATUS
" simultaneously, press the 
power button to turn on the power.
 AVR-S730H  
·   While holding down buttons "
TUNER PRESET CH+
", "
TUNE -
" and "
TUNE +
" simultaneously, press 
the power button to turn on the power.
Select the desired mode using the "
TUNER PRESET CH+/-
" button, then press the "
STATUS
" button to 
conrm.
3-1.3. Displaying and Selecting Each Mode
The information shown on the display switches each time the "
TUNER PRESET CH+
" button is 
pressed.
Press the "
STATUS
" button to set the currently displayed mode and restart the device.
q 
 
 1.SERVICE CHECK
          Service Path Check Mode : See "DIAGNOSTIC MODE"
          The Video and Audio paths can be checked.
           This function is convenient for conrming problem paths in the product and checking the 
paths after repairing.
                   
w 
 
  2.PROTECTION   
          The protection history can be checked.
                   
e 
 
  4.OP  INFO      
          Operation Info for the unit can be checked.
                   
r 
 E3 and E2 model only
 5.TUNER FRQ SET
          Enables reception STEP of the ANALOG TUNER to be changed.
                   
t 
 
  6.REMOTE  ID    
          This function is for operating only the desired AV receiver.
3-1.4. Canceling the selected mode
Press the power button to turn off the power.
113
Caution in 
servicing
Electrical Mechanical Repair Information Updating