Sony Betacam SX DNW-A100 Maintenance Manual page 162

4-2. TAPE Maintenance Mode (M0)
4-2-2. SERVO CHECK Mode (C0)
C021 : S REEL BRAKE
C022 : T REEL BRAKE
These menus check the function of an S or T reel brake solenoid.
(1) Press the SET button.
. Confirm with sound that the reel brake solenoid is turned on. (The reel table
can be lightly turned with hand because the brake is in the OFF state.)
(2) Press the MENU button.
. The check menu is terminated.
. Confirm by the brakes applied to the reel table that the reel brake solenoid
was turned off.
In case of NG
. Confirm that no mechanical abnormality exists.
. Check the drive circuit of the reel brake solenoid (on the DR-315 board).
. Check the reel brake solenoid itself.
4-28
S reel table
Cores
S reel brake solenoid
Locations of Reel Brake Solenoids
SERVO CHECK
PLUNGER SOLENOID
C021:S REEL BRAKE
SERVO CHECK
PLUNGER SOLENOID
C022:T REEL BRAKE
T reel table
(S cassette position state)
T reel brake solenoid
DNW-A100/A50/A45
DNW-A100P/A50P/A45P