Sharp cd c 5 h service manual

Page 1

CD-C5H,CP-C5H

SHARP SERVICE MANUAL

COMPACT
[ISIS @R-D-s EON
DIGITAL AUDIO
O SRS technology Licensed from SR8 Labs. SRS technol-
ogy holds the following patents: U.S. Patent No.
4,748,669 and US. Patent No. 4,841,572.
0 sns, the SRS Logo(.)and the scum: RETRIEVAL SVSTEM
are registered trademarks of SRS Labs, Inc. in the United
States.

0 QSOUND and the QLogo are registered trademarks of
QSound Labs, Inc.

0 QSound is protected under US Patent Nos. 5,105,462
and 5208.860 and foreign counterparts.

/ CONTENTS

SAFETY PRECAUTION FOR SERVICE MANUAL.
SPECIFICATIONS ..
NAMES OF PARTS

OPERATION MANUAL.
DISASSEMBLY .............
REMOVING AND REINSTALLING THE MAIN PARTS ..
ADJUSTMENT.
TEST MODE
RDS ...................................................
NOTES ON SCHEMATIC DIAGRAM
BLOCK DIAGRAM ............................
SCHEMATIC DIAGRAMNVIRING SIDE OF P.W.BOARD.
TYPES OF TRANSISTOR AND LED
WAVEFORMS OF CD CIRCUIT
TROUBLE SHOOTING.
FUNCTION TABLE OF |
FL SEGMENT ..................
PARTS GUIDE/EXPLODED VIEW

\

No. S4827CDC5H/l/

CD-C5H
CP-C5H

CenIer Speaker (GBOXSODOBAWMZ) and Surround Speaker
(GBOXSUOUQAWM2), Constitute CP-C5H.

CD-C5H and CP-CSH constitute CD-CSH.

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

D_

P R 0 . L O G I C
Manufactured under license from Dolby Laboratories Licens-
ing Corporation. DOLBY, the double-D symbol DI] and "PRO
LOGIC" are trademarks of Dolby Laboratories Licensing Cor-
poration.

DI]-

. Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.

0 "DOLBY" and the double-D symbol DU are trademarks
of Dolby Laboratories Licensing Corporation.

SHARP CORPORATION

This document has been published to be used
for after sales service only.
The contents are subject to change without notice.

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CD-C5H,CP-C5H
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 THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES
AGAINST EXPOSURE TO THE LASER BEAM.
1-WHEN THE CABINETIS REMOVED, THE POWER IS TURNED ON WITDOUT A COMPACT DISC IN POSITION ANDTHE
PICK-UP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT
LOOK INTO THE PICK-UP LENS.
2-THE LASER POWER OUTPUT OF THE PICK-UP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY
PRE-SET BEFORE SHIPMENT.
DO NOT ATTEMPT TO RE-ADJUST THE LASER PICK-UP UNIT DURING REPLACEMENT OR SERVICING.
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICK-UP 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.

O CAUTION
Use of controls or adjustments or performance of
procedures other than those specified herein may
result in hazardous radiation exposure.

As the laser beam used in this compact disc player
is harmful to the eyes, do not attempt to disassemble
the cabinet. Refer servicing to qualified personnel
only.

:D ; Laser Diode Properties
[ . 3 LI Material: GaAIAs
J 7' L Wavelength: 780 nm
I==EI IIIIIIIIII
"mm" m Emission Duration: continuous
Hull"

3 IIIIIIIIII'
I IPHIIIIIIIIIII

1] Laser Output: max. 0.6 mW

CAL'TIONVINVISIBLE LASER RADLAIIUN WHEN OPEN Do NOT STARE INTO
BEAM 0R VIEW DIKELI'LY WITH ()PIICAL INSTRUMENTS
\IAILNINLHMNLIG LAsEIumALxINa NAR DENNA DLL AR ()IPNAD 511qu
EI IN I STRALILN OCH BEl'RAKl'A EI s'rkALEN MED ()PlISKA INSTRUMENT
ADVERSELVUSYNLIG LASEKSTRALLNG VED AENING. SE lKKE 1ND I
SIRALENVHELLER IKKI; MED ()PI'ISKE INSTRUMEMER

\IARO AvA'I'rAEs'sA ()le'l' AL'ITLINA NAKYMA'IUN LASERSAIEILYLLE

ALA TLIUOTA SAIEESEEN ALAKA KATSO SIIA ()Il'lSIiV LAIII'EEN LAPI

VARNINUAMNLIG_LAsI-_R5TRAL.VINLI NAR DENNA DEL AR ()PPNAD
STIRRA EI l\' I STkAleN ()CH BEI'RAKTA EI sI'RALEx GLNOM ()IIISK'I'

CLASS I LASER PRODUCT

APPAREIL A LASER IIE CLASSE I
PRDDIICTU LASER IIE CLASE I

LASER KLASSE 1 INSTRUMW
ADVERSIszusYNLIU LASERSIRALING NAR DEKSEL AP. ' STIRR IKKE
LUOKAN 1 LASERLAlTE INN I SI'RALLN ELLER SE DIREKII: MED ()PIISKE INSTRUMENIER
KLASS 1 LASERAPPARAT
J

LASER TRIDV 1

LASER "5" VARQITUS! LAITTEEN KAYTTAMINEN MUULLA KUIN
TASSA
KAYTTOOHJENESSAMAINITULLA TAVALLA SAATTAA
ALTISJ'AA KAYHTTAJNAN "TU0RVALLISUUSNLUOKAN 1
YLITTAVALLE NAKYMATTOMALLE LASERSATEILYLLE.
yARNING - OM APPARATEN ANVANDS PA ANNAT SATT
AN IHDENNA BRUKSANVISNING SPECIFICERAS. KAN
ANVANDAIREN UTSATTAS FOR OSYNLIG
LASERSTRALNING, SOM OVERSKRIDER GRANSEN FOR
LASERKLASS 1.

VARO ! Avattaessa ja suojalukitus ohitettaessa olet alttiina nakymattémalle lasersateilylle. Ala katso sateeseen.

VARNING! Osynlig laserstralning nar denna del ar 6ppnad och sparren fir urkopplad. Betrakta ej stralen.