Teac ESOTERIC P-2S - 4 ADJUSTMENT AND CHECKS; Handling and Protection

P-2s |
4 ADJUSTMENT AND CHECKS
me CE
Notes:
1. How to handle the pick-up support assembly
(1)}Do not apply shocks to the assembly.
(2)Do not touch the object lens.
(3)Do not place the assembly in a place subject to
exessive dust, heat or moisture.
(4)Do not disassemble.
(5)During the transportation, mounting and dis—
mounting of the assembly, support it with your
fingers at points A and B as shown in Fig. 4-1.
Be particularly careful not to touch the actuator,
the photosensor and the LD plate, and do not
apply force to them.
2 . Cleaning the object lens
(1) If the object lens becomes dirty, playback will
deteriorate.
(2)To clean the lens, moist the KODAC cleaning
tissue in isopropy! alcohol and wipe the lens
gently.
3 . To prevent the laser diodes from deteriorating
and protect them from destruction.
(1)Do not touch the laser diode terminal, the LD
plate and circuit components.
(2)While adjusting the laser pick—up, be sure to
ground connected instruments and your body to
prevent static electricity destroying the laser
diodes (See Fig. 4-2).
(3) Laser beams are similar to infrared rays.
Do not look at the beams directly, and keep your
eyes at least 30cm away from them.
LD Plate
Photosensor
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Earth ring
{Lead wire)
Pick-up case
Chassis (GND)
Resistor
IMSt ~ 10M32
Earth
Fig.4—-2