Marantz AV7703, Service Manual

Page: 128 / 247

SPECIAL MODE
Special mode setting button
b
No. 1 - 3, 5 - 7 : While holding down buttons "
A
", "
B
" and "
C
" simultaneously, press the power button to turn on the power.
b
No. 4 : While the power is on, hold down buttons "
A
" and "
B
" for at least 3 seconds .
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 1. Version Display Mode )
2 PANEL / REMOTE LOCK Selection
Mode
BACK ENTER -
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 2. PANEL / REMOTE LOCK Selection Mode )
PANEL LOCK MODE : No. 2 - 1 - No. 2 - 3
2-1 PANEL LOCK Mode
(with Volume)
↑ ↑ -
Disables reception from all keys and encoders on the front panel except the power button (including the volume).
2-2 PANEL LOCK Mode
(without Volume)
↑ ↑ -
Disables reception from all keys and encoders on the front panel except the power button and volume encoder.
2-3 PANEL LOCK mode is turned off
↑ ↑ -
Releases the PANEL LOCK.
3 Selecting the Mode for Service-related
ZONE SELECT BACK -
This is a display for turning on each service-related mode.
Service-related modes: No. 3-1 - No. 3-4 (See 3-1. Selecting the Mode for Service-related )
3-1 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 DIAGNOSTIC MODE )
3-3 232C Standby Clear Mode
↑ ↑ -
Switches from 232C standby mode to normal standby mode.
(See 3-2. 232C Standby Clear Mode )
3-4 Operation Info Mode
↑ ↑ -
Displays the accumulated operating time of the unit, the number of times the power was switched on, and the number of occur-
rences of each protection.
(See 3-3. Operation Info Mode )
3-5 TUNER STEP Mode
(N model only)
↑ ↑ -
Enables reception STEP of the ANALOG TUNER to be changed.
(See 3-4. TUNER STEP mode (N only) )
4 Network Initialization Mode
BACK ENTER -
Network module backup data is initialized.
(See 4. Network Initialization Mode )
5 User Initialization Mode
GAME INFO -
Initialize the backup data for the MCU and network module. (Settings for the Installer Setup are not initialized.)
6 Factory Initialization Mode
MOVIE MUSIC -
Initialize the backup data only for MCU.
(Settings for the Installer Setup are initialized) (Network function settings are not initialized.)
(See Initializing This Unit )
7 Clearing the Operation Info
DYNAMIC
EQ
DYNAMIC
VOL
-
Clear the accumulated operating time of the unit, the number of times the power was switched on, and the number of occur-
rences of each protection.
(See 5. Clearing the Operation Info )
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Caution in
servicing
Electrical
Mechanical
Repair Information
Updating