Sharp cd c 811 w service manual

Page 1

CD-C811W/821W

SHARP SERVICE MANUAL

Illustration: CD-C821 W

COMPACT
@D§@ SAVING ENERGY

DIGITAL AUDIO WW

/-

VOLTAGE SELECTION
SPECIFICATIONS
NAMES OF PARTS ..
OPERATION MANUAL
DISASSEMBLY ............

ADJUSTMENT ...................................
NOTES ON SCHEMATIC DIAGRAM
TYPE OF TRANSISTOR AND LED
BLOCK DIAGRAM .............................
SCHEMATIC DIAGRAM / WIRING SI
WAVEFORMS OF CD CIRCUIT.
TROUBLESHOOTING .....
FUNCTION TABLE OF IC
FL SEGMENT ..................
PARTS GUIDE/EXPLODED VIEW

REMOVING AND REINSTALLING THE MAIN PARTS..

N0. $6938CDCS11W/

CD-C811W
CD-C821 W

CD-0811W mini component system consisting of
CD-C811W (Main unit), CP-C811W (Front speaker).

CD-C821W mini component system consisting of
CD-C821W (Main unit), CP-0821W (Front speaker)
and GBOX80028AWM1 (Surround speaker).

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

DIFFERENCE BETWEEN
CD-C811W AND CD-C821W

SECTION CD-C811W CD-CSZ1W
Surround Speaker None Used

CONTENTS %

SAFETY PRECAUTION FOR SERVICE MANUAL

/

This document has been published to be used
SHARP CORPORATION lor after sales service only.

The contents are subject to change without notice.

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CD-C811W/821W

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 PROTECTYOUR EYES
AGAINST EXPOSURE TO THE LASER BEAM.
1-WHEN THE CABINET IS 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.

CAUTION

Laser Diode Properties

CLASS I LASER PRODUCT
APPAREIL A LASER DE BLASSE l

PRIIIJIJCTU LASER llE CLASE 1

Material: GaAlAs
Wavelength: 780 nm
Emission Duration: continuous

Laser Output: max. 0.6 mW

O This Mini Component System is classified as a CLASS
1 LASER product.

0 The CLASS 1 LASER PRODUCT label is located on the

rear cover urnomwum LA mum WHEN on.» w \(n WARL mm

Mi w um mm mm (:merL hymn/wins
0 Use of controls, adjustments or perlormance of proce- um Mmumska mymm
dures other than those specified herein may result in

hazardous radiation exposure.

AI m. m; mum. ,sr. mm. mm
mm . mum]:

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 qualitied personnel only.

um, I» own L\ max
mu l «Mus m 5L mum mu: 0mm msiuimb'nx

VARO !
VARNING!

Avattaessa ja suojalukitus ohitettaessa olet alttiina nakymattomalle lasersateilylle, Ala katso sateeseen,
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. It 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 QACCLOOOZAWOO
=-l i
I]
QACCEOOI 1AW00 QACCZOOOSAWOO
92LCORD21652A 92LCORD577B
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:

92LPLUGI 55A

92LPLUG027

Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

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