Panasonic PVD4735S - DVD/VCR DECK, Service Manual

Page: 5 / 73

1.1. LASER PRODUCT
CLASS I LASER PRODUCT
·
This equipment is certified to comply with DHHS Rules
21 CFR Chapter 1, Subchapter J in effect as of date of
manufacture. (Only for U.S.A.)
This equipment is classified as a Class I (Class 1) level LASER
Product and there is no hazardous LASER radiation with the
safety protection.
Caution:
Use of controls or adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
Danger:
The serviceman should not remove the cover of drive unit
and should not service because the drive unit is a
nonserviceable parts. Please check that the labels.
Never touch the internal parts in order to avoid EXPOSURE TO
VISIBLE LASER RADIATION.
Unplug the AC power cord to the equipment when opening the
top cover.
When the power switch is On, do not place your eyes close to
the front panel opening door or the other openings to look into
the interior unit.
LASER Specification
Class I level A LASER Product (Class 1 level A LASER
Product)
Wave Length: 640 - 670 nm (at DVD)
770 - 810 nm (at CD)
Laser Power: No hazardous radiation is emitted with the safety
protection.
1.2. PRECAUTION OF LASER
DIODE
CAUTION:
This unit utilizes a class III a laser. Visible laser radiation is
emitted from the optical pickup lens when the unit is turned
on:
1. Do not look directly into the pickup lens.
2. Do not use optical instruments to look at the pickup lens.
3. Do not adjust the preset variable resistor on the optical
pickup.
4. Do not disassemble the optical pickup unit.
5. If the optical pickup is replaced, use the manufactures
specified replacement pickup only.
6. Use of control or adjustment or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
5
PV-D4735S / PV-D4745 / PV-D4745S / PV-D4745S-K