Marantz NR1506 /K1B, Service Manual

Page: 17 / 159

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 Button A Button B Button C Descriptions
1
Version Display
(u-COM / DSP Error Display)
DIMMER STATUS –
Displays the version of firmware such as the main firmware or
DSP. Errors that have occurred are displayed.
( See page 18 )
2
Selecting the Mode for Service-related
PRESET
CH ＋
STATUS -
This is a display for turning on each service-related mode.
Service-related modes: No. 2-1 - No. 2-5
2-1
Protection history display mode
↑ ↑ -
Displays the protection occurrence history.
( See page 40 )
2-2
Check the Video/Audio path Mode
↑ ↑ -
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 )
2-3
TUNER STEP Mode
(U and N model only)
↑ ↑ -
Enables reception STEP of the ANALOG TUNER to be changed.
( See page 43 )
2-4
Operation Info Mode
↑ ↑ -
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 )
3
User Initialization Mode
M-DAX
PRESET
CH ＋
-
Initializes backup data.
(Settings for the Installer Setup are not initialized.)
4
Factory Initialization Mode
PRESET
CH ＋
INTERNET
RADIO
-
Initializes backup data.
(The settings for the Installer Setup is also initialized.)
5
PANEL / REMOTE LOCK Selection Mode
M-DAX DIMMER -
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 )
6
Protection Pass Mode
DIMMER STATUS
SOUND
MODE
Enables the power to be turned on when protection detection
is disabled.
( See page 44 )
7
CY920 Reboot Mode
DIMMER
SOUND
MODE
-
Reboot CY920.( See page 44 )
8 CY920 Initialization Mode DIMMER STATUS -
Enter this mode only after replacing Flash for CY920 and rewrit-
ing the firmware.
( See page 45 )
9
USB Update Mode
DIMMER
SOUND
MODE
-
Switches this unit to USB Update mode.
( See page 49 )
10
Forced USB All Device Write Mode
DIMMER
SOUND
MODE
-
Mode used when this unit cannot be recovered.
Forcibly switches this unit to USB update mode.
( See page 51 )
PRESET CH ＋ PRESET CH －
INTERNET RADIO
M-DAX
STATUS
DIMMER
SOUND MODE POWER
17