Sharp cd m 4000w

Page 1

CD-M4000W/CP-M4000

SHARP SERVICE MANUAL

No. $91SGCDM4000W

MINI COMPONENT SYSTEM

MODEL CD-M4000W

SPEAKER SYSTEM

[LICENSE cn-n/nw/ 35g; MODEL CP-M4000

DIGITAL AUDIO Playable

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

/- CONTENTS %

SAFETY PRECAUTION FOR SERVICE MANUAL.
VOLTAGE SELECTION ..........................................
AC POWER SUPPLY CORD AND AC PLUG ADAP
SPECIFICATIONS
NAMES OF PARTS ..
OPERATION MANUAL
DISASSEMBLY ............
REMOVING AND REINSTALLING THE MAIN PARTS.
ADJUSTMENT ......
BLOCK DIAGRAM
SCHEMATIC DIAGRA
VOLTAGE ..........................................
NOTES ON SCHEMATIC DIAGRAM
TYPES OF TRANSISTOR AND LED.
WAVEFORMS OF CD CIRCUIT.
TROUBLESHOOTING .....
FUNCTION TABLE OF IC
FL DISPLAY .....................
REPLACEMENT PARTS LIST/EXPLODED VIEW

This document has been published to be used

SHARP CORPORATION for after sales service only.

The contents are subject to change without notice.

Page 2

CD-M4000W/CP-M4000

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER
COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS
IMPORTANT THATTHE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES
AGAINST EXPOSURE TO THE LASER BEAM.
1-WHEN THE CABINET IS REMOVED, THE POWER ISTURNED ON WITHOUTA COMPACT DISC IN POSITION AND THE
PICKUP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT
LOOK INTO THE PICKUP LENS.
2-THE LASER POWER OUTPUT OF THE PICKUP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY
PRESET BEFORE SHIPMENT.
DO NOT ATTEMPT TO READJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING.
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS AT ANY TIME.
4-CAUTION-USE OF CONTROLS 0R ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

mmmmtmmmmmummmmnmmmm
EflflIIgInummflmmmmmmmmnm%%
mmmmnmmmmnnmmmmmmmmnm

UUUUHHUDDUUD
UDDUHHDUUUD ...~ 0

DUEL?
unuflnnnfluflnflnofluu ,
unonunnoqu t,
ln°nnDIIW l
nu0nufl U 0 0

ELASS I L_ASER PRODUCT
APPAREIL A LASER IJE BLASSE I

PRODUCTO LASER DE CLASE I

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

cwritmnwtsiau LAM RADIATION HI-)4 OPEN Do nor STAKE IN'IKJBEAVI
0R vmw DIRELTLY WH'H OPTICAL INbI'RLMI-LVTS

VARI\II\'Cr NLK; LAsERsrRAmiNG NAR DhNNA DEL AR ()WNAD IsIIkkAH
IN I 5mm (xH BEI'RAKI'A I-J >1!th MILD ()PmKA INSTRL'MLW

ADVERSEL uswut; LAsEksmALwt; vw Ammo 51-; mm IND l
xm NthLLLR IKKE MED ()PIISKE INSIRUMI-VTER
mm AVArrALst om' AL'I'IIINA NAKvam LASERSATHLYLLE ALA

Tuuom SAtkEsu-N ALAKA mm IA ()PIISEN LAI'ITI:EI\ LAPl

VARMR ' u Loam-rm 'AR 0mm um. AR ()PPNAD smuu E!
w I 5m H BEI'RAKTA , V (ii-340M ()PI'LSKI msmuvtmr
ADVERSELLSYKLIG L-xskxsrRAuN AR DEKSEL APNu STIRRIKKI: KW I
szLkN hLLhR SL Dim-.Kn; MED ()PIISKI: IVSIRUMENTER

VOLTAGE SELECTION

Before operating the unit on mains, check the preset voltage. ll the voltage is different from your local voltage, adjust the voltage

as follows.
Turn the selectorwith a screwdriver until the appropriate voltage number appears in the window (1 10 V, 127 V, 220 V or 230 V-24O V AC).

-2-