Yamaha CRD-HD1300 Service Manual page 3

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PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to carefully
follow the instructions below when servicing.
1. Laser Diode Properties
• Material
• Wavelength
• Emission Duration
• Laser Output
✻ This output is the value measured at the lens of the Laser Pickup
Unit.
2. When checking the laser diode emission, keep your eyes more than
30 cm away from the objective lens.
CAUTION
Use of controls or adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
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: GaAlAs
: 780-787 nm
: Pulse
: Read mode 0.7mW (Continuous) ✻
Write mode max. 38mW ✻
(for 166ns, Min. Cycle 86.6ns)
L A S E R -
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CLASS 1 LASER PRODUCT
LASER KLASSE 1 PRODUKT
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPART
PRODUIT LASER DE CLASSE 1
L L
R R
4 REC PLAY 3 COAXIAL
LINE IN — LINE OUT
ANALOG
Q Q
3 6 7 1 3 1 5
CLASS 1 LASER PRODUCT
LASER KLASSE 1 PRODUKT
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPART
PRODUIT LASER DE CLASSE 1
L L
R R
4 3
REC PLAY COAXIAL
LINE IN — LINE OUT
ANALOG
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CDR-HD1300/CDR-HD1300E
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Laser Radiation Point
Fig. A
VIDEO
OUT
CLASS 1 LASER PRODUCT
LASER KLASSE 1 PRODUKT
LUOKAN 1 LASERLAITE S VIDEO
KLASS 1 LASER APPART
PRODUIT LASER DE CLASSE 1
VIDEO
OPTICAL COAXIAL OPTICAL
IN OUT RS–232C
DIGITAL
U model
0 5 8 2 9 9 4 2 8
VIDEO
OUT
CLASS 1 LASER PRODUCT
LASER KLASSE 1 PRODUKT
S VIDEO
LUOKAN 1 LASERLAITE
KLASS 1 LASER APPART
PRODUIT LASER DE CLASSE 1
VIDEO
OPTICAL COAXIAL OPTICAL
RS–232C
IN OUT
DIGITAL
B, G models
m
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