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FILE NO. 810-200102
DVD VIDEO PLAYER
Jun., 2001 5
LASER BEAM CAUTION LABEL
When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser
may be recceived.
PREPARATION OF SERVICING
Pickup Head consists of a laser diode that is very susceptible to external static electricity.
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 from damage by static electricity.
And also, the LSI and IC are same as above.
wrist strap for body.
with ground wire
or ceramic type
The ground resistance
between the ground line
and the ground is less than 10 9 .
: Only for SD-1750.
DIGITAL VIDEO SD-1700 is not provided with playback function of VIDEO CD.
LEAKAGE CURRENT CHECK
Plug the AC line cord directly into a 120V AC outlet (do Measure the AC voltage across the 1500 resistor.
not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and
AC voltmeter, having 5000 per volt or more sensitivity. then repeated with the AC switch off. The AC voltage
Connect a 1500 10 W resistor, paralleled by a 0.15
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