Sharp cd c 661h c661hr

Page 1

CD-C661H/HR

SHARP SERVICE MANUAL

Illustration: CD-C661H

WEE

DIGITAL AUDIO

@R'D'S EON

SAVING ENERGY

No. S5926CDC661 HR

CD-C661 H
CD-C661 HR

CD-C661 H mini component system consisting of CD-C661 H
(main unit) and CP-C661H (speaker system).

- In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.

- Note for users in U.K.
Recording and playback of any material may require consent
which SHARP is unable to give. Please reler particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Prefomers Protection Act 1956, the Preformers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.

CONTENTS -

SAFETY PRECAUTION FOR SERVICE MANUAL ....................
IMPORTANT SERVICE NOTES (CD-C661 H FOR UK. ONLY)
SPECIFICATIONS ......................................................................
NAMES OF PARTS ......
OPERATION MANUAL.
DISASSEMBLY .............
REMOVING AND REINSTALLING THE MAIN PARTS
ADJUSTMENT ...................................
NOTES ON SCHEMATIC DIAGRAM
BLOCK DIAGRAM .....
SCHEMATIC DIAGRA
VOLTAGE .....
WAVEFORMS OF CD CIRCUIT.

TROUBLESHOOTING (CD SECTION)
FUNCTION TABLE OF IC .....................
WIRING OF PRIMARILY SUPPLY LEADS (CD-C661H FOR UK. ONLY).
FL DISPLAY .................................................................................................
PARTS GUIDE/EXPLODED VIEW
PACKING METHOD (CD»0661 H FOR UK. ONLY)

DIFFERENCE BETWEEN CD-C661 H AND CD-C661 HR

CD-0661 H

(ID-0661 HR

Speaker

O

X

This document has been published to be used

SHARP CORPORATION Ior after sales service only.

The contents are subject to change without notice.

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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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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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SHORTvClRCUIT
AC POWER
SUPPLY CORD

CONNECT THE PROBE
TO END OF CHASSlS
SCREW

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