Sony DVW-522 Maintenance Manual page 107

Digital videocassette player, control panel extension kit, control panel case
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b) C021: S REEL BRAKE
This mode checks the operation of the S reel brake solenoid.
(1) Press the SET button (or switch S300 on the SS board).
Confirm by the generation of a sound that the S reel brake solenoid is turned on.
(2) Press the MENU button (or switch S301 on the SS board).
The core of the S reel brake solenoid then returns to the former position.
The monitor screen returns to the submenu.
In case of NG;
When the sound indicating that the S reel brake solenoid is turned on is not
generated or when the monitor screen does not change.
Check the S reel brake solenoid.
Also check the solenoid driver circuit on the DR-200 board.
c) C022: T REEL BRAKE
This mode checks the operation of the T reel brake solenoid.
(1) Press the SET button (or switch S300 on the SS board).
Confirm by the generation of a sound that the T reel brake solenoid is turned on.
(2) Press the MENU button (or switch S301 on the SS board).
The core of the T reel brake solenoid then returns to the former position.
The monitor screen returns to the submenu.
In case of NG;
When the sound indicating that the T reel brake solenoid is turned on is not
generated or when the monitor screen does not change.
Check the T reel brake solenoid.
Also check the solenoid driver circuit on the DR-200 board.
S reel brake solenoid
Cores
5-2. Servo/DT System Check Mode
SERVO CHECK
PLUNGER SOLENOID CHECK
C021:S REEL BRAKE
S300(SS-52): CHECK
S301(SS-52): RETURN
SERVO CHECK
PLUNGER SOLENOID CHECK
C022:T REEL BRAKE
S300(SS-52): CHECK
S301(SS-52): RETURN
T reel brake solenoid
5-25

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