Pioneer DVR-220-S Service Manual - Page 3

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5 6 IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS SHOULD BE DONE BY A SPECIALLY INSTRUCTED PERSON. LASER DIODE CHARACTERISTICS MAXIMUM OUTPUT POWER : 50 mw WAVELENGTH : 658 nm LABEL CHECK 7 8 WARNING! DEVICE INCLUDES LASER DIODE WHICH EMITS INVISIBLE INFRARED RADIATION A WHICH IS DANGEROUS TO EYES. THERE IS A WARNING SIGN ACCORDING TO PICTURE 1 INSIDE THE DEVICE CLOSE TO THE LASER DIODE. LASER Picture 1 Warning sign for laser radiation B STANDBY/ON HDD PULL-OPEN DVD Î OPEN/CLOSE REC ONE TOUCH COPY C DRW2194 Additional Laser Caution 1. The ON/OFF(ON:low level,OFF:high level) status of the CLAMP signals for detecting the loading state are detected by the drive CPUs, and the design prevents laser diode oscillation when the CLAMP signal turns OFF. In normal operation, if no disc is clamped, the laser diode oscillation is disabled. D However, the interlock does not always operate in the test mode. 2. When the cover is opened, close viewing of the objective lens with the naked eye will cause exposure to a Class 3A laser beam. E F DVR-220-S 3 5 6 7 8

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DVR-220-S
3
5
6
7
8
5
6
7
8
C
D
F
A
B
E
WARNING!
DEVICE INCLUDES LASER DIODE WHICH
EMITS INVISIBLE INFRARED RADIATION
WHICH IS DANGEROUS TO EYES. THERE IS
A WARNING SIGN ACCORDING TO PICTURE
1 INSIDE THE DEVICE CLOSE TO THE LASER
DIODE.
LASER
Picture 1
Warning sign for
laser radiation
LASER DIODE CHARACTERISTICS
MAXIMUM OUTPUT POWER : 50 mw
WAVELENGTH : 658 nm
IMPORTANT
THIS
PIONEER
APPARATUS
CONTAINS
LASER
OF
CLASS
1.
SERVICING OPERATION OF THE APPARATUS
SHOULD
BE
DONE
BY
A
SPECIALLY
INSTRUCTED
PERSON.
LABEL CHECK
Î
CLAMP signals for detecting the loading state are detected
by the drive CPUs, and the design prevents laser diode
oscillation when the CLAMP signal turns OFF.
In normal operation, if no disc is clamped, the laser diode
oscillation is disabled.
However, the interlock does not always operate in the test
mode.
2.
When the cover is opened, close viewing of the objective
lens with the naked eye will cause exposure to a Class 3A
laser beam.
Additional Laser Caution
1. The ON/OFF(ON:low level,OFF:high level) status of the
DRW2194