Sony DNW-A100 Maintenance Manual page 254

5-10. Capstan Motor Replacement
8. Attach the Video Head Cleaner
Assembly
(1) Insert the cleaning roller into the clearance
between the height determing plate and full
erase head as shown in the figure.
(2) Adjust the position of the two pins of the
video head cleaner assembly with the two
holes of the height determing plate.
(3) Tighten the screw while pushing the video
head cleaner assembly in the direction
indicated by the arrow A.
(4) Fix the harness to the position on the sensor
holder as shown in the figure.
(5) Connect the harness to connector CN851 on
the PD-35 board.
(6) Bind the harnesses of the full-erase head and
the video head cleaner assembly with a new
harness clamper (or the equivalent).
(7) Adjust the position of the cleaning roller.
(Refer to step 5 in Section 5-4.)
9. Cleaning
Clean the capstan motor shaft using a cleaning
cloth moistened with cleaning fluid.
n
After cleaning, wipe using a dry cleaning cloth.
Adjustment after Replacement
10. Confirm the Pinch Press Clearance
Refer to Section 5-12-2.
11. Confirm the Tape Running
Refer to Section 7-1-2.
12. Perform the Capstan Motor Operation
Check
Refer to Section 4-2-2 in Maintenance Manual
Part 1.
(C014: CAPSTAN MOTOR)
13. Perform the Capstan FG Duty Adjust
Refer to Section 4-2-7 in Maintenance Manual
Part 1.
(A003: CAPSTAN FG DUTY)
5-70
Sensor holder
Full-erase head
PD-35 board
CN851
Harness
Sensor holder
Attach the Video Head Cleaner Assembly
14. Perform the Capstan Free Speed
Adjust
Refer to Section 4-2-7 in Maintenance Manual
Part 1.
(A010: CAPSTAN FREE SPEED)
15. Perform the Adjusted Data Save
Refer to Section 4-2-7 in Maintenance Manual
Part 1.
(A023: NV-RAM CONTROL)
PD-35 board
CN851
Harness clamper
Harness
Height
determing
plate
A
Cleaning roller
Height determing
plate
Bundling
band
Video head cleaner
Full-erase
assembly
head
DNW-A100P/A50P/A45P
Video head
cleaner
assembly
Screw
(PSW3 x 8)
DNW-A100/A50/A45