Sharp cp x 5 h service manual

Page 1

M D-X5H/ C P-X5H

SHARP SERVICE MANUAL

No. SO781MDX5H/l/

#53 MD-X5H
- . Es - CP-X5H

MD-XSH and CP-X5H constitute MD-X5H.

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

COMPACT n u - Note for users in UK
Mfllfill] Recording and playback of any material may require consent
DEEE @R'D's EON which SHARP is unable to give. Please refer particularly to the
DIGITAL AUDIO provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Perfmers Protection Acts
US and foreign patents licensed from Dolby Laboratories Licensing 1963 and 1972 and to any subsequent statutory enactments and

Corporation. orders.

/- CONTENTS

SAFETY PRECAUTION FOR SERVICE MANUAL ..
IMPOTANT SERVICE NOTES (FOR UK ONLY)
SPECIFICATIONS ..
NAMES OF PARTS
OPERATION MANUAL ..
DISASSEMBLY ..............
REMOVING AND REINSTALLING THE MAIN PARTS
ADJUSTMENT ...................................
NOTES ON SCHEMATIC DIAGRAM
TYPE OF TRANSISTOR AND LED
BLOCK DIAGRAM ..........................
SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD ..
VOLTAGE ..........................................................

WAVEFORMS OF CD CIRCUIT (CD SECTION) ..
WAVEFORMS OF CD CIRCUIT (MD SECTION) ..
TROUBLESHOOTING (CD SECTION)
TROUBLESHOOTING (MD SECTION)
FUNCTION TABLE OF IC .....................
REPLACEMENT PARTS LIST/EXPLODED VIEW/PACKING PARTS

-
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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MD-X5H/CP-X5H
SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS (co) WARNINGS (MD)

THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER The AEL (ACCESSIBLE EMMISSION LEVEL) of the laser power
POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER output is less than class 1 but the laser component is capable
COMPONENT IS CAPABLE OF EMITTING RADIATION ofemitting radiation exceeding the limit forclass 1. Therefore it is
EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS importantthat the following precautions are observer during
IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE servicing to protect your eyes against exposure to the laser beam.
OBSERVED DURING SERVICING TO PROTECT YOUR EYES 1) When the unit case cover is removed and LOADING SW (SW
AGAINST EXPOSURE TO THE LASER BEAM. 1956) is turned on and then PLAY SW (SW 1954 mechanism
1-WHENTHE CABINETISREMOVED,THEPOWERISTURNED PWB) is turned on in a few second.

ON WITDOUT A COMPACT DISC IN POSITION AND THE The laser will light for several second to detect a disk.

PICK-UPIS ON THE OUTER EDGE THE LASER WILL LIGHT 2) The laser power output of the pickup unit and replacement

FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT service parts are all factory pre-set before shipment.

LOOK INTO THE PICK-UP LENS. Do not attempt to re-adjust the laser pick-up unit during
2-THE LASER POWER OUTPUT OF THE PICK-UP UNIT AND replacement or servicing.

REPLACEMENT SERVICE PARTS ARE ALL FACTORY PRE- 3) Under no circumstances stare into the pickup lens at any time.

SET BEFORE SHIPMENT. 4) II laser optical unit becomes faulty, replace the complete laser

DO NOT ATTEMPT TO RE-ADJUST THE LASER PICK-UP optical unit.

UNIT DURING REPLACEMENT OR SERVICING. 5) CAUTION-USE of controls or adjustments, or performance of
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICK-UP procedures other than those specified herein may result in

LENS AT ANY TIME. hazardous radiation exposure.
4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR ,

PERFORMANCE OF PROCEDURES OTHER THAN THOSE (1 \

SPECIFIED HEREIN MAY RESULT IN HAZARDOUS

RADIATION EXPOSURE.

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ELISS I LASER PRDI'IUET .0
IPVAIIEIL I LASER DE DUSSE I M E]
PIINIUETII LASEII IIE ELISE I

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LASER KLASSE I
LUDKAN 1 LASERLAITE
KLASS 1 LASERAPFARAT

LASER Tfiiov 1
LASER TRIEDY1

VAROITUS! LAITTEEN KAYTTAMINEN MUULLA KUIN TASSAA .
KAYTTOOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KAYTTAJAN TURVALLISUUSLUOKAN 1 YLITTAVALLE
NAKYMATTOMALLE LASERSATEILYLLE.

nth
ll'ill .
mill:

iii: ill:

VARNING - OM APPARATEN ANVANDS PA ANNAT SATT AN
I DENNA BRUKSANVISNING SPECIFICERAS. KAN
ANVANDAREN UTSATTAS Fon OSYNLIG LASERSTRALNING,
SOM OVERSKRIDER GRANSEN For: LASERKLASS 1.

VARO !Avattaessa ja suoialukitus ohitettaessa olet alttiina nakymattomalle lasersateilylle. Ala katso sateeseen.
VARNING! Osynlig laserstralning nar denna del ar oppnad och sparren ar urkopplad. Betrakta ej stralen.

Precaution to be taken when replacing and servicing the laser
pickup.

The following precautions must be observed during servicing to
protect your eyesvagainst exposure to the laser.

Warning of possible eye damage when repairing:

If the AC power plug is connected when the inner cover of the unit
is removed, the laser will light up during focus

access (about 1 second) (Fig. 2-1).

During this operation, the laserwill leakfrom the opening between
the magnetic head and cartridge holder (Fig. 2-2).

In orderto protect your eyes, you must not look atthe laserduring
repair- Figure 2-1
Before repairing, be sure to disconnect the AC power plug. Magnet Head

f Laser Beam
- Cartridge Holder

Mechanism
Chassis

Spindle Motor Optical pickup
Figure 2-2