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6.2.2. Laser Power Adjustment
Adjust each laser power: read power for reading (play).
6.2.2.1. Set the Unit to the Adjustment Mode
Cautions
About handling the optical pickup and the magnetic head.
- The optical pickup is structured precisely; therefore, it is very
fragile. Be careful not to touch it with the edge of the laser power
meter. Do not touch the lens.
- The sensor of the laser power meter is a very fine part. Be careful
not to touch it to the optical pickup lens.
- The focus point of the laser reaches to 356°F. Therefore, avoid
adjusting using laser power for a long time because the sensor of
the laser power meter may be burned.
- Do not set the unit to the laser power adjustment mode with the
MD loaded. Doing so may result in damage to the MD.
- Laser diode in the optical pickup may be destroyed by the static
electricity generated in your clothes or body. Be especially careful
with the static electricity.
6.2.2.2. Adjustment Procedure
1. Have "T0**" indicated on display, and move the optical pickup to
the most inside (only when a MD cartridge type laser power meter
is used).
2. Set the laser power meter.
[For use of stick type laser power meter.]
2-1 Uncover the laser power meter (as shown in
2-2 Locate the sensor of the laser power meter right over above
the optical pickup (horizontally at a level of the disc position).
(as shown in
[For use of MD cartridge type laser power meter.]
2-1 Open the shutter of the laser power meter. (as shown in
2-2 Set the laser power meter. (as shown in
Fig. 7
)
Fig. 6
Fig. 6
).
Fig. 9
Fig. 8
)
)
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