11-20
HDW-750/750CE V1
A001 : CAPSTAN FG DUTY
Adjusts the duty ratio of the capstan FG signal.
1.
Select “A001 : CAPSTAN FG DUTY” on the SERVO ADJUST
MENU display and press the rotary encoder.
2.
Press the rotary encoder again to start adjustment.
SERVO ADJUST MENU
A000:NV-RAM INITIALIZE
A001:CAPSTAN FG DUTY
A002:CAPSTAN DELAY
A003:DRUM PHASE
SERVO ADJUST MENU
A001:CAPSTAN FG DUTY
COMPLETE
3.
The adjustment ends. (The adjustment data is automatically saved
in the servo system EEPROM (IC403/MDC-13 board)).
When adjustment ends successfully :
The message “COMPLETE” appears.
When the adjustment fails :
The message “INCOMPLETE” appears.
m
When the adjustment fails, the message “INCOMPLETE”
appears, check the following possible causes.
.
MDC-13 board capstan FG amplifier or capstan motor driver
circuit is defective.
.
SS-92 board capstan drive output signal or duty ratio adjust-
ment output signal is abnormal.
.
Capstan motor is defective.
11-3. Contents of Menus