Service Check - Marantz NR1509 Service Manual

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 "DIAGNOSTIC
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.
MODE"
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.
116