Optical Device Cleaning; Cleaning With Lens Cleaner; Special Tools And Measuring Equipment - Sony CDU31A Series Service Manual

5-3 OPTICAL DEVICE CLEANING
Disassemble the following pans and then clean the optical
device.
a. Optical Device (Refer to 4-5)
5.3.J
Special Tools. and Measuring Equipment
a. Cotton Swab (200 pieces).
b. Cleaning Liguid Lens.
5-3-2
Cleaning with lens cleaner
a.
b.
Soak cotton swab in the Lens Cleaner.
Wipe the lens surface lightly using a cotton swab.
(Refer to Fig. 5-3)
Note: Please use the wet cotton swab unless the nature of
the dust on the lens is rather sticky or greasy which
may require cleaning liquid. After removing dins
and dusts, please wipe once again using a dried
cotton swab.
Note: Do not apply an excessive pressure to the lens as it
is rather delicate mechanism.
Note: Make sure that no residue remains on the lens.
c. Install the Optical device in accordance with section
4-5.
d. Perform the RF level (Laser Power) and laser current.
(Refer to 5-2)
Fig. 5-3 Optical Device Cleaning
5-8