3-8
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
3-4-2. Servo Adjustment Data Initialization
After replacing the MS-50 board or IC9 (NV-RAM) on
MS-50 board, have to initialize the servo adjustment data
stored the NV-RAM on MS-50 board.
Can to initialize in the following procedure.
How to initialize
With S101/SS-63(F-1) pressing, turn on the POWER switch.
Before releasing S101, wait three seconds after the power-on.
n
If the system error (ERROR-97) occurs at this time, turn
off the power and retry.
3-4-3. Servo Continuity Automatic
Adjustment
1.
To enter the maintenance mode, press S1101(G-1) on
the SS-63 board.
2.
Enter A000 : A001-A008 ADJ. in the maintenance
mode.
3.
To execute this adjustment, press the SET button once
on the lower control panel.
.
The execution time is about 150 seconds.
.
Message “ADJUST COMPLETE” is displayed on
the video monitor when this automatic adjustment is
completed normally.
4.
To exit the this menu, press the MENU button once on
the lower control panel.
Data save (Store the adjusted data)
n
Do not save the adjustment data if the automatic
adjustment was not completed normally.
5.
Enter A012 : NV-RAM CONTROL, then execute
“SAVE SERVO ADJUST DATA”.
.
Message “DATA SAVED” is displayed on the
video monitor when this data save is completed
normally.
6.
To exit the maintenance mode, press the MENU
button five times.
3-4-4. Capstan Free Speed Adjustment
Prepare the following three alignment tapes to perform this
adjustment.
.
SR2-1 (for 525/60 system)
.
SR2-1P (for 625/50 system)
.
CR2-1B (for DNW-A100/A50/A45 only)
.
CR2-1B PS (for DNW-A100P/A50P/A45P only)
Adjustment in 525/60 (or 625/50) System
1.
To enter the maintenance mode, press S1101(G-1) on
the SS-63 board.
2.
Enter A010 : CAPSTAN FREE SPEED in the mainte-
nance mode.
3.
Insert the alignment tape SR2-1 (or SR2-1P), then the
adjustment is executed automatically.
.
Message “ADJUST COMPLETE” is displayed on
the video monitor when this automatic adjustment is
completed normally.
4.
To exit this menu, press the MENU button once.
For DNW-A100/A50/A45 in 525/60 system or the DNW-
A100P/A50P/A45P in 625/50 system, perform steps 5
through 9 only.
5.
To exit A00-01 : SERVO ADJUST, press the MENU
button once.
6.
Enter A00-01 : SERVO ADJUST again.
.
The alignment tape is ejected.
7.
Enter A010 : CAPSTAN FREE SPEED again.
8.
Insert the following alignment tape, then the adjust-
ment is executed automatically.
DNW-A100/A50/A45:
CR2-1B
DNW-A100P/A50P/A45P: CR2-1B PS
.
Message “ADJUST COMPLETE” is displayed on
the video monitor when this automatic adjustment is
completed normally.
9.
To exit this menu, press the MENU button once.
3-4. Servo System Alignment
3-4-2. Servo Adjustment Data Initialization
3-4-3. Servo Continuity Automatic Adjustment
3-4-4. Capstan Free Speed Adjustment