Sharp cd c 1821 v service manual

Page 1

CD-C1831 V

SHARP SERVICE MANUAL

No. $9955CDC1831V

CD-C1831V

COMPACT COMM SAVING ENERGY CD-IC1B3-1V Video CD Mini System consisting of CD-C1831V
D§@ LI§[E mum mm 0.8w (main unit), CP-C1831 (front speaker) and GBOX50025AWM1

coNsuwnm

VIDEO CD menu. AUDIO (surround Speaker).
- In the interests of user-safely the set should be restored to its
NTSCIPAL original condition and only parts identical to those specified be
used.

/- CONTENTS

SAFETY PRECAUTION FOR SERVICE MANUAL
VOLTAGE SELECTION
SPECIFICATIONS .....
NAMES OF PARTS
OPERATION MANUAL.
DISASSEMBLY
REMOVING AND
ADJUSTMENT ......................................
NOTES ON SCHEMATIC DIAGRAM
BLOCK DIAGRAM ................................
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD.
VOLTAGE ...................................
WAVEFORMS OF CD CIRCUIT....
TROUBLESHOOTING (CD SECTIO
FUNCTION TABLE OF IC.
FL DISPLAY ......................
PARTS GUIDE/EXPLODED VIEW

This document has been published to be used

SHARP CORPORATION lor after sales service only.

The contents are subject to change without notice.

Page 2

CD-C1831V

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
IMPORTANTTHATTHE 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 WITDOUTA COMPACT DISC IN POSITION AND THE
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.

CAUTION Laser Diode Properties

Material: GaAIAs

CLASS I LASER PRODUCT \EvnétiseinjIItgqurgggncontinuous
APPAREIL A LASER DE ELASSE l L O _ ' W
Pnnnucru LASER llE ELASE I 359' tpw- ma) 0-6 m

. This Video CD Mini System is classified as a CLASS 1
LASER product.

0 The CLASS 1 LASER PRODUCT label is located on the
rear cover.

0 Use of controls, adjustments or perlormance oi procedures
other than those specified herein may result in hazardous
radiation exposure.

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

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

The voltage selector is located on the AC voltage selector box, If adjustment is necessary, use a screwdriver in order to turn the
selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.

QACCBOOOBAWOO QACCEOOO7AWOO

I I l film

i 1 WISE - -
92L06RD21652A 92LPLUG027 92LPLU<3155A

92LC6RD577B

Fi

Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR
_ 2 _