Selecting The Mode For Service-Related Operations - Marantz SR5010/U1B Service Manual

3. Selecting the Mode for Service-related Operations

3.1. Actions
Select diagnostic mode (service path check mode), protection history display mode, or 232C standby clear mode.
3.2. Starting up
While holding down buttons "ZONE2 SOUCE" 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.
3.3. 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
L1
1 S E R V I C E
FLD L2
C H E C K
L3
Service Path Check Mode：
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
L1
2 P R O T E C T
FLD L2
L3
The protection history can be checked.
e
L1
3 R S 2 3 2 C
FLD L2
R E S E T
L3
Switches from 232C standby mode to normal standby mode.
r
L1
4 O P
FLD L2
L3
Operation Info for the unit can be checked.
t
L1
5 T U N E R
FLD L2
F R E Q
L3
Enables reception STEP of the ANALOG TUNER to be changed.
3.4. Canceling the selected mode
Press the power button to turn off the power.
I N F O
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