Sony DVW-522 Maintenance Manual page 110

Digital videocassette player, control panel extension kit, control panel case
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5-2. Servo/DT System Check Mode
a) S REEL FG/MOTOR CHECK
Checks the duty cycle of the S reel FG.
In case of NG;
Check the S reel motor (C010: S REEL MOTOR).
If no abnormality is found, adjust the duty cycle of the S reel FG (A001: S REEL FG DUTY).
b) T REEL FG/MOTOR CHECK
Checks the duty cycle of the T reel FG.
In case of NG;
Check the T reel motor (C011: T REEL MOTOR).
If no abnormality is found, adjust the duty cycle of the T reel FG (A002: T REEL FG DUTY).
c) CAPSTAN FG/MOTOR CHECK
Checks the duty cycle of the capstan FG.
In case of NG;
Check the capstan motor (C014: CAPSTAN MOTOR).
If no abnormality is found, adjust the duty cycle of the capstan FG (A003: CAPSTAN FG DUTY).
d) S REEL OFFSET/FRICTION
Checks the offset and friction levels of the S reel.
In case of NG;
Check the S reel motor (C010: S REEL MOTOR).
If no abnormality is found, adjust the offset and friction of the S reel (A004: S REEL OFFSET/FRIC).
e) T REEL OFFSET/FRICTION
Checks the offset and friction levels of the T reel.
In case of NG;
Check the T reel motor (C011: T REEL MOTOR).
If no abnormality is found, adjust the offset and friction of the T reel (A005: T REEL OFFSET/FRIC).
f) S REEL MOTOR TORQUE
Checks the torque of the S reel.
In case of NG;
Check the S reel motor (C010: S REEL MOTOR).
If no abnormality is found, adjust the torque of the S reel (A006: S REEL TORQUE).
g) T REEL MOTOR TORQUE
Checks the torque of the T reel.
In case of NG;
Check the T reel motor (C011: T REEL MOTOR).
If no abnormality is found, adjust the torque of the T reel (A007: T REEL TORQUE).
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