Cleaning Disc And Optical Pickup - Hitachi DZ-GX5020A K Service Manual

Troubleshooting > Display of Error Codes and Troubleshooting

4-3-5 Cleaning disc and optical pickup

(1) Cleaning disc
1) Use the provided disc cleaning cloth, or a soft, dry cloth to
lightly clean the disc from the inner to outer edges in axial
direction.
2) If the dirt cannot be removed with the above procedure, put
a few droplets of absolute alcohol in a soft, dry cloth, and use
it to lightly clean the disc from the inner to outer edges in
axial direction.
Information:
The following disc cleaners and cleaning cloths (generally available) are also usable:
a) KS2424-X00 Toraysee (cleaning cloth only) produced by Toray
b) LF-K200DCJ1 DVD-RAM/PD disc cleaner (cleaning cloth and cleaning liquid) produced by
Panasonic
c) OC-CS MO disc cleaner (cleaning cloth and cleaning liquid) produced by Hitachi Maxell
(2) Cleaning optical pickup
Note:
Do not clean the optical pickup needlessly. The optical pickup is a precision component. Repeated
cleaning could cause a fault.
1) Attach the AC adapter/charger or battery (power supply), and then press the DISC EJECT
button to open the disc insertion block.
2) Remove the AC adapter/charger or battery (power supply).
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Disc cleaning cloth provided or
soft and dry cloth
Fig. 4-3-3 Cleaning Disc