Sharp cd c 661h c661hr

Page 2

CD-0661H/HR

SAFETY PRECAUTION FOR
SERVICE MANUAL

Precaution to be taken when replacing and servicing the
Laser Pickup.

The AEL (Accessible Emission Level) of Laser Power Output
forthis model is specified to be lowerthan Class | Requirements.
However, the following precautions must be observed during
servicing to protect your eyes against exposure to the Laser
beam.

(1) When the cabinet has been removed, the power is turned
on without a compact disc. and the Pickup is on a position
outerthan the lead-in position, the Laserwill light forseveral
seconds to detect a disc. Do not look into the Pickup Lens

(2) The Laser Power Output of the Pickup inside the unit and
replacement service parts have already been adjusted prior
to shipping.

(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.

(4) Under no circumstances look directly into the Pickup Lens
at any time.

(5) CAUTION - Use of controls or adjustments, or performance
of procedures other than those specified herein may result
in hazardous radiation exposure.

(CD-C661 H Except for U.K./CD-C661 HR)

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CLASS I LASER PRODUCT
APPAREIL A LASER IIE ELISSE I
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(CD-C661H For U.K.)

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Laser

Diode Properties
Material: GaAlAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW

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VAROITUS! LAITTEEN KéYTTéMINEN MUULLA KUIN
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IMPORTANT SERVICE NOTES (CD-C661H FOR U.K. ONLY)

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.

Set name set value

Withstanding Voltage Tester

Test voltage 4,240 VPEAK
3,000 VRMS

Set time 6 secs

Set current(Cutoff current) 4 mA

Unit

Judgment

OK: The GOOD" lamp lights.
NG: The NG lamp lights and the buzzor sounds.

AC

D- our

WITHSTANDlNG
VOLTAGE TESTER

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®_-CD_ UNIT

SHORTvClRCUIT
AC POWER
SUPPLY CORD

CONNECT THE PROBE
TO END OF CHASSlS
SCREW

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