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3 Handling Precautions for Optical pick-up
The laser diode in the optical pick-up may break down due to
potential difference caused by static electricity of clothes or
human body.
So be careful of electrostatic breakdown during repair of the
optical pick-up.
3.1.
Handling of traverse deck
optical pick-up
1. Do not subject the optical pick-up to static electricity as it is
extremely sensitive to electrical shock.
2. To protect the laser diode against electrostatic breakdown,
short the flexible board (FFC board) with a clip or similar
object. Refer to Fig. 2-1.
3. Take care not to apply excessive stress to the flexible board
(FFC board).
4. Do not turn the variable resistor (laser power adjustment). It
has already been adjusted. Refer to Fig. 2-1.
Fig. 2-1.
3.2.
Grounding for electrostatic
breakdown prevention
3.2.1.
Human body grounding
Use the anti-static wrist strap to discharge the static electricity
from your body. Refer to Fig. 2-2.
Fig. 2-2.
SL-DZ1200PP / SL-DZ1200EB / SL-DZ1200EG / SL-DZ1200EP / SL-DZ1200GN
3.2.2.
Work table grounding
Put a conductive material (sheet) or steel sheet on the area
where the optical pick-up is placed, and ground the sheet.
Refer to Fig. 2-3.
Caution:
The static electricity of your clothes will not be grounded
through the wrist strap.
So take care not to let your clothes touch the optical pick-
up.
5
Fig. 2-3.
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