Sony DNW-A100 Maintenance Manual page 212

5-4. Cleaning Roller and Video Head Cleaner Assembly Replacement
Removal
1. Remove the Harness
(1) Disconnect the harness from connector
CN851 on the PD-35 board.
(2) Cut the harness clamper.
(3) Remove the harness from the sensor holder.
2. Remove the Video Head Cleaner
Assembly
Remove the screw, shift the video head cleaner
assembly in the direction indicated by the arrow
A, and remove it from the height determing plate.
n
Perform step 5 and later when replacing the video
head cleaner assembly.
Perform step 3 and later when replacing the
cleaning roller.
3. Replace the Cleaning Roller
(1) Remove the CR spacer, and remove the
cleaning roller.
(2) Pass a new cleaning roller through the shaft
as shown in the figure. Then fix the cleaning
roller by new CR spacer.
(3) Move the cleaning roller in the vertical
direction.
At this time, confirm that there is no vertical
play.
n
If the cleaning roller is installed upside down, the
positional relationship between the cleaning roller
and video heads may be shifted. Be sure to keep
the installing direction.
5-28
Video head cleaner
assembly
Harness clamper
Height
Harness
determing
plate
CN851
PD-35
board
Sensor holder
Remove the Video Head Cleaner Assembly
Cleaning roller
CR spacer
Replace the Cleaning Roller
Screw (PSW3 x 8)
A
Narron (white)
Wide (gray)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P