Marantz NR1200, Руководство по обслуживанию

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SPECIAL MODE
Special mode setting button
b
No. 1 - 4, 6 - 8 : While holding down buttons "
A
", "
B
" and "
C
" simultaneously, press the power button to turn on the power.
b
No. 5, 9, 10 : While the power is on, hold down buttons "
A
", "
B
", and "
C
" for at least 3 seconds .
No. Mode Button A Button B Button C Descriptions
1 Version Display Mode
(MCU / DSP Error Display)
DIMMER STATUS -
Displays the version of firmware such as the MCU or DSP. Errors that have occurred are displayed.
(See 1. Version Display Mode )
2 PANEL / REMOTE LOCK Selection
Mode
TUNER
PRESET CH +
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 2. PANEL / REMOTE LOCK Selection Mode )
3 Selecting the Mode for Service-related
ZONE2
SOURCE
STATUS -
A selection mode for entering service-related modes.
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 Service Path Check Mode )
3-2 Protection history display mode
↑ ↑ -
Displays the latest occurred protection history. (See 3-2. Protection History Display Mode )
3-3 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 )
3-4 TUNER STEP Mode
(U model only)
↑ ↑ -
Enables the FM/AM tuner reception frequency step to be changed.
(See 3-4. TUNER STEP mode (U only) )
4 Protection Pass Mode
DIMMER STATUS
SOUND
MODE
Enables the power to be turned on when protection detection is disabled.
(See 4. Protection Pass Mode )
5 Network Initialization Mode
ZONE2
SOURCE
DIMMER -
Network module backup data is initialized.
(See 5. Network Initialization Mode )
6 User Initialization Mode
ZONE2
SOURCE
TUNER
PRESET CH +
-
Initialize the backup data for the MCU and network module. (Settings for the Installer are not initialized.)
7 Factory Initialization Mode
ZONE2
SOURCE
TUNER
PRESET CH -
-
Initialize the backup data only for MCU.
(Settings for the Installer are initialized) (Network function settings are not initialized.) (See POST-SERVICE PRECAUTIONS )
8 Clearing of Operation Info
TUNER
PRESET CH -
DIMMER -
Clear the accumulated operating time of the unit, the number of times the power was switched on, and the number of occurrences
of each protection. (See 6. Clearing of Operation Info )
9 HDMI Diagnostics Mode
TUNER
PRESET CH +
DIMMER -
This mode is used to identify and solve the cause when there is a connectivity issue with this unit and an HDMI device.
For details on the operating methods and diagnosis procedures, see the HDMI Diagnostics and Troubleshooting guide issued on SDI.
10 Log Capture feature
DIMMER
SOUND
MODE
-
Acquires the Network Module log. As the Network Module reboots, the log is deleted. Make sure to obtain the log before turning off
the unit’s power.
(See 7. Log Capture feature )
NOTE : If the volume indicator displays " ", the unit has entered the developer’s special mode. In this case, the RS-232C communication is not available.
To release this special mode, press and hold the " ZONE2 SOURCE " and " TUNER PRESET CH + " buttons for 3 seconds or more while the power is ON. When the volume indicator returns to the normal display,
the RS-232C communication is available.
All the indicator Lights
DIMMER
SOUND
MODE
STATUS
SPEAKER
ZONE2
SOURCE
X
TUNER
TUNER
PRESET -
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
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