Special Mode; Special Mode Setting Button - Marantz NR1506 /U1B Service Manual

SPECIAL MODE

Special mode setting button

b No. 1 - 6, 9 : While holding down buttons "A", "B" and "C" simultaneously, press the power button to turn on the power.
b No. 7, 8 : While the power is on, hold down buttons "A" and "B" for at least 3 seconds .
b No. 10 : While holding down buttons "A" and "B" simultaneously, insert the AC plug into the wall outlet to turn on the power.
No. Mode
Version Display
1
(u-COM / DSP Error Display)
2
Selecting the Mode for Service-related
2-1
Protection history display mode
2-2
Check the Video/Audio path Mode
TUNER STEP Mode
2-3
(U and N model only)
2-4
Operation Info Mode
3
User Initialization Mode
4
Factory Initialization Mode
5
PANEL / REMOTE LOCK Selection Mode
6
Protection Pass Mode
7
CY920 Reboot Mode
8
CY920 Initialization Mode
9
USB Update Mode
10
Forced USB All Device Write Mode
POWER
Button A Button B
DIMMER STATUS
PRESET
STATUS
CH ＋
↑ ↑
↑ ↑
↑ ↑
↑ ↑
PRESET
M-DAX
CH ＋
PRESET INTERNET
CH ＋ RADIO
M-DAX DIMMER
DIMMER STATUS
SOUND
DIMMER
MODE
DIMMER STATUS
SOUND
DIMMER
MODE
SOUND
DIMMER
MODE
PRESET CH － PRESET CH ＋
M-DAX DIMMER
INTERNET RADIO
17
Button C
Displays the version of firmware such as the main firmware or
–
DSP. Errors that have occurred are displayed.
(See page 18)
This is a display for turning on each service-related mode.
-
Service-related modes: No. 2-1 - No. 2-5
Displays the protection occurrence history.
-
(See page 40)
This is a special mode for service confirmation used during
repair work to simplify the confirmation work for the Audio
-
channel / video channel.
(See page 23)
Enables reception STEP of the ANALOG TUNER to be changed.
-
(See page 43)
Displays the accumulated operating time of the unit, the num-
ber of times the power was switched on, and the number of
-
occurrences of each protection.
(See page 42)
Initializes backup data.
-
(Settings for the Installer Setup are not initialized.)
Initializes backup data.
-
(The settings for the Installer Setup is also initialized.)
Start this unit in the PANEL/REMOTE LOCK selection mode so
that PANEL LOCK and Remote Lock can be switched between
-
ON and OFF.
(See page 22)
Enables the power to be turned on when protection detection
SOUND
is disabled.
MODE
(See page 44)
-
Reboot CY920.(See page
Enter this mode only after replacing Flash for CY920 and rewrit-
-
ing the firmware.
(See page 45)
Switches this unit to USB Update mode.
-
(See page 49)
Mode used when this unit cannot be recovered.
-
Forcibly switches this unit to USB update mode.
(See page 51)
SOUND MODE
STATUS
Descriptions
44)