Sharp cp m 8000 service manual

Page 1

CD-M8000W/CP-M8000

SHARP SERVICE MANUAL

No. S4228CDM8000W

MINI COMPONENT SYSTEM

MODEL CD-M8000W

SPEAKER SYSTEM

figfi CD-R/FIW Ill

Playable DISC

MODEL CP-M8000

- In the interests of user-safety 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 ..
DISASSEMBLY .........
REMOVING AND REINSTALLING THE MAIN PARTS.
ADJUSTMENT ...................................
NOTES ON SCHEMATIC DIAGRAM
TYPES OF TRANSISTOR AND LED.
BLOCK DIAGRAM .............................
SCHEMATIC DIAGRAM /W|R|NG SI
VOLTAGE ...................................
WAVEFORMS OF CD CIRCUIT.
TROUBLESHOOTING .....
FUNCTION TABLE OF IC
FL DISPLAY .....................
REPLACEMENT PARTS LlST/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.

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CD-M8000W/CP-M8000

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 IS TURNED 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 OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

Laser Diode Properties
Material: GaAlAs
Wavelength: 780 nm

Emission Duration: continuous
Laser Output: max. 0.6 mW

EAUTIDII'INVISIBLE LASER RADIATIDII WHEN flFEN.

DO NflT STARE INTI] BEAM 0R VIEW DIRECTLY WITR
OPTICAL INSTRUMENTS

WARNUNE-NIISIBNTBARE LASERSTRANLUNE WENN GERAT
EENFFNET. NIBNT III DIE STRANLUNE SBNAUEII NDER
DIREKT MIT NPTISENEII NILFSMITTELII BETRACNTEN.
ATTENTIDN'RAVDII LASER INVISIBLE ER GAS D'DUVERTURE.
IIE PAS REEARDER LE FAISCEAU DIRECTEMENT 0U AVED DES

INSTRUMENTS flPTIUUES.

VOLTAGE SELECTION

Before operating the unit on mains. check the preset voltage. If the voltage is different from your local voltage, adjust the voltage
as follows.
Turn the selector with a screwdriver until the appropriate voltage number appears in the window (1 10 V, 127 V, 220 V or 230 V-240 V AC).

AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

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