Sony DSR-1800 Service Manual page 284

7-16. Capstan Motor Replacement
Replacement
1. Removing the frame assembly, MD
Remove the frame assembly, MD.
(Refer to Section 7-2 Step 1.)
2. Removing the DR-428 board
Remove the DR-428 board.
(Refer to Section 3-5-3.)
3. Replacing the capstan motor
(1) While supporting the capstan motor by hand
from the back side of the MD chassis, remove
the two screws in the upper side of the
chassis to remove the capstan motor.
(2) Wipe the mounting surfaces of a new capstan
motor and the MD chassis with a cleaning
cloth moistened with cleaning fluid.
(3) Insert the new capstan motor into the hole in
the MD chassis positioning as shown in the
figure and fix it with the two screws.
Tightening torque : 0.1 N.m {1 kgf.cm}
n
Use care not to scratch the capstan motor
pivot when inserting the capstan motor.
4. Reattaching the DR-428 board
Reattach the DR-428 board.
(Refer to Section 3-5-3.)
5. Reattaching the frame assembly, MD
Reattach the frame assembly, MD.
(Refer to Section 7-2 Step 7.)
6. Cleaning the Capstan shaft
Wipe the capstan shaft with a cleaning cloth
moistened with cleaning fluid.
Adjustment after replacement
7. CAPSTAN ONLY adjustment
(Refer to Section 5-3-3.)
8. Checking the tape path adjustment
(Refer to Section 8-4.)
7-50
P 1.4 x 3.5
Cleaning
Cleaning
Capstan moter
DSR-1800/P/1600/P