3-1. Selecting the Mode for Service-related
3-1.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, or Operation Info
mode or TUNER STEP mode.
3-1.2. Starting up
While holding down buttons "
TUNER PRESET CH+
" and "
STATUS
" 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
confirm.
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 "
The Video and Audio paths can be checked.
This function is convenient for confirming 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
U and N model only
5.TUNER FRQ SET
Enables reception STEP of the ANALOG TUNER to be changed.
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
