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Sharp CD-C471H User Manual

Sharp CD-C471H
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CD-C471H
SERVICE MANUAL
No. S5830CDC471H/
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
IMPORTANT SERVICE NOTES (U.K. ONLY) ................................................................................................................. 2
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL..................................................................................................................................................... 6
DISASSEMBLY................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................. 10
ADJUSTMENT................................................................................................................................................................ 11
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 18
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 18
BLOCK DIAGRAM .......................................................................................................................................................... 19
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD............................................................................................ 22
WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 43
TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION)............................................................................. 44
FUNCTION TABLE OF IC .............................................................................................................................................. 48
FL DISPLAY.................................................................................................................................................................... 58
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF METHOD (FOR U.K. ONLY)
Manufactured under license from Dolby Laboratories Licens-
ing Corporation.
DOLBY, the double-D symbol and "PRO LOGIC"
are trademarks of Dolby Laboratories Licensing Corporation.
Illustration: CD-C471H
SHARP CORPORATION
CP-C471H, CENTER(GBOXS0006AWM5)
and SURROUND(GBOXS0007AWM5) Speaker System Constitute
CD-C471H.
In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
CD-C471H
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Sharp CD-C471H Specifications

General IconGeneral
BrandSharp
ModelCD-C471H
CategoryStereo System
LanguageEnglish

Summary

Service Manual Overview

Safety Precautions for Service Manual

General safety warnings and precautions for servicing the unit, especially regarding laser safety.

Important Service Notes (UK Only)

Specific service notes and mandatory tests required for units sold in the UK.

System Specifications

Detailed technical specifications for the CD stereo system's various components.

Names of Parts

Identification and labeling of all major parts and controls on the unit and remote.

Operation Manual Procedures

Setting the Clock

Step-by-step guide to setting the unit's clock display.

Resetting the Microcomputer

Procedure for resetting the unit's microcomputer, typically for memory clearance.

Disassembly Instructions

Disassembly Caution and Steps

Important cautions and a step-by-step guide for disassembling the unit.

Component Removal and Reinstallation

CD Mechanism Section Procedures

Detailed steps for removing and reinstalling key components within the CD mechanism.

Adjustment Procedures

Mechanism and Tuner Section Adjustments

Procedures for adjusting torque, tape speed, and tuner alignment.

Test Modes and CD Diagnostics

CD Test Mode Operations

Instructions for entering and using the CD test mode for diagnostics.

CD Section Automatic Adjustments

Details on automatic adjustment functions within the CD section.

Dolby Pro Logic System Explanation

Pro Logic Operation Modes and Outputs

Explanation of Dolby Pro Logic modes and their corresponding output states.

RDS Radio Data System Operation

Receiving RDS FM Stations

How to receive FM stations using the RDS service.

RDS Information and PTY Codes

Description of RDS information display and PTY codes.

ASPM Summary Operation

RDS and EON Functionality Details

RDS Feature Introduction and Differences

Overview of RDS features and differences from previous models.

RDS-EON Operation Summary

Summary of how the RDS EON feature operates.

Schematic Diagram Notes

Schematic Reading Conventions

Notes explaining symbols and conventions used in schematic diagrams.

Transistor and LED Types

Identification of common transistor and LED types used in the unit.

System Block Diagrams

Block Diagram (1/3)

First part of the system block diagram illustrating key functional blocks.

Block Diagram (2/3)

Second part of the system block diagram detailing signal flow.

Block Diagram (3/3)

Third part of the system block diagram showing power and peripheral connections.

Schematic Diagrams

Schematic Diagram (1/13)

Detailed schematic diagram of the CD servo and motor control circuits.

CD Circuit Waveforms

Troubleshooting CD Section Issues

CD Function and Turntable Problems

Troubleshooting steps for when the CD does not function or the turntable fails.

CD Tray and Function Key Problems

Troubleshooting for CD tray operation and function key issues.

CD Playback Key Operation Checks

Checks for ensuring CD playback keys are functioning correctly.

Playback Operation and Tracking Checks

Troubleshooting steps for playback issues and tracking system checks.

Spin System and VCO-PLL Checks

Procedures for checking the CD spin system and VCO-PLL circuit.

Audio Output Troubleshooting

Steps to diagnose and resolve issues with audio output.

Integrated Circuit Function Tables

IC2 Servo/Signal Control Function Table

Detailed pin functions for the IC2 Servo/Signal Control IC.

IC1 Servo Amplifier Function Table

Detailed pin functions for the IC1 Servo Amplifier IC.

IC201 System Microcomputer Function Table

Detailed pin functions for the IC201 System Microcomputer IC.

IC601 Audio Processor Function Table

Detailed pin functions for the IC601 Audio Processor IC.

IC501 Dolby Pro Logic Decoder Block Diagram

Block diagram illustrating the functionality of the IC501 Dolby Pro Logic Decoder.

FL Display Information

IC3 Driver IC Block Diagram

Block diagram for the IC3 driver IC used in the FL display.

Technical Report and Part Corrections

Model Information and General Notes

Information on models covered and general notes regarding service manual corrections.

Parts List Corrections

Details on printing errors and corrections in the parts list.

Sharp Parts Guide Overview

Ordering Replacement Parts

Instructions and information for ordering replacement parts.

Component Part Code Explanations

Explanation of codes used for capacitors and resistors.

Component Parts Lists

Integrated Circuits, Transistors, Diodes

List of integrated circuits, transistors, and diodes with part numbers.

Filters, Coils, Resistors, Vibrators

List of filters, coils, resistors, and vibrators with part numbers.

Capacitors List

Comprehensive list of capacitors with part codes and specifications.

Resistors List

Comprehensive list of resistors with part codes and specifications.

CD Mechanism and Cabinet Parts

List of replacement parts for CD mechanism and cabinet components.

Exploded Views - CD Mechanism

Exploded Views - Cabinet Assembly

Exploded Views - Speaker System

Packing Method for UK Market

Packing Unit and Speaker Components

Instructions and list of packing materials for units and speakers.

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