Sharp CDC2900 - 3-CD Compact Stereo System

– 1 –
CD-C622/C2900
No. S3908CDC622//
CONTENTS
Page
IMPORTANT SERVICE NOTES (For U.S.A. Only) ........................................................................................................... 2
SPECIFICATIONS ..............................................................................................................................................................3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
QUICK GUIDE ................................................................................................................................................................... 7
DISASSEMBLY.................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 15
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 16
BLOCK DIAGRAM ........................................................................................................................................................... 17
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ..............................................................................................20
VOLTAGE ........................................................................................................................................................................ 41
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 42
FUNCTION TABLE OF IC................................................................................................................................................ 47
FL DISPLAY ......................................................................................................................................................................54
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF THE SET (For U.S.A. Only)
CD-C622
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
CD-C622 mini component system consisting of CD-C622 mini
component system, CP-C622 and rear (GBOXS0021AWM1) speaker
system.
Illustration: CD-C622
Illustration: CD-C2900
CD-C2900
CD-C2900 mini component system consisting of CD-C2900 mini
component system and CP-C2900 speaker system.

Sharp CDC2900 - 3-CD Compact Stereo System Specifications

General

Brand	Sharp
Model	CDC2900 - 3-CD Compact Stereo System
Category	Stereo System
Language	English

Summary

IMPORTANT SERVICE NOTES

Safety Checks and Leakage Current Measurement

Procedures to ensure no shock hazard exists before returning the unit.

SPECIFICATIONS

General Unit, Amplifier, Speaker, and Component Specifications

Technical details for power, dimensions, output, impedance, and frequency response.

OPERATION MANUAL

Clock Setting and Microcomputer Reset Procedures

Guides for setting the clock and resetting the system's microcomputer.

DISASSEMBLY AND REPAIR PROCEDURES

Disassembly Cautions and Main Unit Procedures

Safety warnings and step-by-step disassembly for the main unit.

REMOVING AND REINSTALLING THE MAIN PARTS

CD Mechanism Section Procedures

ADJUSTMENT AND TESTING

Mechanism and Tuner Section Adjustments

Test Mode Operations and CD Automatic Adjustments

TROUBLESHOOTING AND DIAGNOSTICS

Voltage Measurements and CD Section Troubleshooting

Diagnostic voltage checks and steps for resolving CD playback issues.

Disc Loading, Spin, Sound, and Playback Troubleshooting

IC FUNCTION TABLES AND BLOCK DIAGRAMS

IC Function Tables (Part 12)

IC Function Tables (Part 22)

IC Block Diagrams