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2.1 ESD PROTECTION

When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of laser

may be received.

PREPARATION OF SERVICING

Pickup Head consists of a laser diode that is very susceptible to external static electrocity.

Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement,

its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire,etc. to

protect the laser diode form damage by static electricity.

And also, the LSI and IC are same as above.

Soldering iron

with ground wire

or ceramic type

2-2

Ground conductive

wrist strap for body.

Conductive mat

The ground resistance

between the ground line

and the ground is less than 10