Sharp CD-C1900 User Manual

CD-C606/1900,CP-C606/1900
– 1 –
CD-C606
CD-C1900
CP-C606
CP-C1900
• 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
SHARP CORPORATION
No. S3909CDC606//
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CONTENTS
Page
IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY)....................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
OPERATION MANUAL ...................................................................................................................................................... 5
QUICK GUIDE ................................................................................................................................................................... 6
DISASSEMBLY.................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS................................................................................................... 10
ADJUSTMENT ................................................................................................................................................................. 11
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 13
TYPE OF TRANSISTER AND LED ................................................................................................................................. 13
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 14
BLOCK DIAGRAM ........................................................................................................................................................... 15
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD..............................................................................................18
VOLTAGE ........................................................................................................................................................................ 32
TROUBLESHOOTING ..................................................................................................................................................... 33
FUNCTION TABLE OF IC................................................................................................................................................ 37
FL SEGMENT ...................................................................................................................................................................42
PARTS GUIDE/EXPLODED VIEW
PACKING OF THE SET (FOR U.S.A. ONLY)
CD-C606 mini component system consisting of
CD-C606 mini component system and
CP-C606 speaker system
CD-C1900 mini component system consisting of
CD-C1900 mini component system and
CP-C1900 speaker system
Illustration: CD-C606

Sharp CD-C1900 Specifications

General

Brand	Sharp
Model	CD-C1900
Category	Stereo System
Language	English

Summary

Important Service Notes

Safety Precautions

Critical safety guidelines for handling the audio product to prevent hazards.

Leakage Current Testing

Procedure to ensure user safety by checking for potential electrical leakage.

Specifications Overview

Technical specifications for the CD-C606/1900 and CP-C606/1900 systems.

Part Identification

Visual guide to identify all parts of the CD-C606/1900 front panel.

Basic Setup and Operation

Setting the Clock

Step-by-step guide to set the internal clock accurately.

Resetting the Microcomputer

Instructions to reset system memory, clearing all custom settings.

Quick Guide to Functions

A rapid overview of unit setup, playback, radio, and recording operations.

Service and Adjustment Procedures

Removing and Reinstalling Main Parts

Detailed instructions for disassembling and reassembling key unit components.

Adjustment Points

Critical adjustment procedures for mechanism and tuner sections.

Troubleshooting and Test Modes

Test Mode Operation

How to access and utilize the CD operation test mode.

CD Section Troubleshooting

Diagnostic steps for issues like non-functional CD playback or turntable stopping.

Spin and Tracking System Troubleshooting

Steps to resolve problems related to disc spinning, tracking, and audio output.

Technical Reference Information

Schematic Diagram Notes

Explanations of symbols, codes, and conventions used in schematic diagrams.

CD Circuit Waveforms

Visual guides to signal waveforms for diagnosing CD circuit issues.

Voltage Measurements

Reference table of voltage readings for various IC pins under normal operation.

Parts Information

Parts Ordering and Identification

Guidance on ordering parts, explanation of codes, and lists of components.

Exploded Views

Diagrams illustrating the assembly of CD mechanism, cabinet, and speaker components.

Packing and Shipping Instructions

Packing Off the Set

Detailed procedure for packing the unit for shipping or return, ensuring safe transit.