Sony DNW-A100 Maintenance Manual page 218

5-5. AT Head Cleaner Replacement
3. Confirm the CL Arm Assembly
Operation
(1) Turn the M gear of the gear box assembly
manually and confirm the items below while
repeating the threading and unthreading.
. The CL arm assembly moves along the CL
guide rail.
. The cleaning roller cleans the AT head.
. A clearance exists between the CL arm
assembly and shield case while the AT
head is cleaned.
(2) Turn the power on and confirm that the CL
arm assembly smoothly operates while
repeating the threading and unthreading.
5-34
AT shield case
CL arm
assembly
a
a = Clearance exists
CL arm
assembly
Confirm the CL Arm Assembly Operation
AT shield case
AT head
M gear
CL guide rail
DNW-A100/A50/A45
DNW-A100P/A50P/A45P