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5
SAFETY INFORMATION
-
CD section precaution
1. Before disassembling the unit, be sure to turn off the
power. Unplugging and plugging the connectors dur-
ing power-on mode may damage the ICs inside the
unit.
-FX-MG9427ZT/EW,FX-MG9327ZT/EW
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repai
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
1. Safety Precautions for those who Service this Unit.
• When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable
results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
2. A "CLASS 1 LASER PRODUCT" label is affixed to the
bottom of the player.
CLASS 1
LASER PRODUCT
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength
= 800 nanometers
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2. To protect the pickup unit from electrostatic dis-
charge during servicing, take an appropriate treat-
ment (shorting-solder) by referring to "the DISAS-
SEMBLY" on page 105.
3. After replacing the pickup unit, be sure to check the
grating. (See p.95.)
3. The triangular label is attached to the mechanism
unit frame.
FX-MG9727ZT/UC
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