CD-DP2500 (serv.man27) - Sharp Audio Service Manual (repair manual). Page 3

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NG: The “NG” lamp lights and the buzzor sounds.

OK: The “GOOD” lamp lights.

Judgment

Unit

Set current (Cutoff current)

Set time

Set name

Withstanding Voltage Tester

Test voltage

Set value

4,240 VPEAK

3,000 VRMS

6 secs

4 mA

Before returning the unit to the customer after completion of a
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.

PROBE

AC

OUT

UNIT

SHORT-CIRCUIT
AC POWER
SUPPLY CORD

CONNECT THE PROBE
TO GND OF CHASSIS
SCREW

WITHSTANDING

VOLTAGE TESTER

●

This Mini Component System is classified as a CLASS 1
LASER product.

●

The CLASS 1 LASER PRODUCT label is located on the
rear cover.

●

Use of controls, adjustments or performance of proce-
dures other than those specified herein may result in haz-
ardous radiation exposure.

As the laser beam used in this compact disc player is harm-
ful to the eyes, do not attempt to disassemble the cabinet.
Refer servicing to qualified personnel only.

Laser Diode Properties

Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW

Screw