Sony DNW-A100 Maintenance Manual page 353

6. Cleaning Roller Position Adjustment
(1) Confirm visually that the cleaning roller does
not touch the upper drum. (Specification 1)
If the cleaning roller touches the upper drum,
bend portion B of the video head cleaner sub-
assembly in the direction indicated by arrow
C with portion A as a supporting point.
(2) Similarly, confirm visually that the cleaning
roller does not touch the terminal of the full-
erase head. (Specification 2)
If the cleaning roller touches the terminal of
the full-erase head, bend portion B of the
video head cleaner sub-assembly in the
direction indicated by arrow D with portion A
as a supporting point.
(3) Push the iron core of the solenoid in the
direction indicated by the arrow. At that
time, confirm that a clearance exists between
the cleaner lever and video head cleaner sub-
assembly. (Specification 3)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
Full-erase head
Cleaning roller
B
A = Clearance exists
Spec.1:
B = Clearance exists
Spec.2:
1 H
2 H
3 H
Iron core
C
Spec. 3: C = Clearance exists
. Specifications are not satisfied.
Portion A
(Supporting point)
Video head cleaner
sub-assembly
Cleaning Roller Position Adjustment
5-26. Cleaning Solenoid Replacement
Upper drum
Video head
Lower drum
A
Claener lever
Video head cleaner
sub-assembly
Portion B
C
D
5-169