Sharp CD-C606 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-C606 Specifications

General

Type	Stereo System
CD Player	Yes
CD Changer	No
Tuner Bands	FM/AM
Bluetooth	No
USB Port	No
Frequency Response	20Hz - 20kHz
Speakers	2-Way Speakers

Summary

Important Service Notes

General Safety Precautions

Critical safety checks and leakage current testing for user safety.

Removing and Reinstalling Main Parts

Adjustment Procedures

Test Modes and Diagnostics

Detailed Schematic Diagrams

Schematic Diagram (1/10)

Detailed circuit diagram for the FM front end and tuner section.

Schematic Diagram (2/10)

Circuit diagram for the FM IF DET./FM MPX./AM IF section.

Schematic Diagram (3/10)

Circuit diagram for the audio processor and power amplifier sections.

Schematic Diagram (4/10)

Circuit diagram for the playback and record/playback amplifier section.

Schematic Diagram (5/10)

Circuit diagram for the power supply and voltage regulator sections.

Schematic Diagram (6/10)

Circuit diagram for the power supply, AC socket, and headphone connections.

Schematic Diagram (7/10)

Circuit diagram for the system microcomputer and its connections.

Schematic Diagram (8/10)

Circuit diagram showing switch PWB connections to the microcomputer.

Schematic Diagram (9/10)

Circuit diagram for the CD servo PWB and pickup unit connections.

Schematic Diagram (10/10)

Circuit diagram for the CD servo PWB and motor control connections.

P.W.Board Wiring Diagrams

Wiring Side of P.W.BOARD (1/4)

Wiring Side of P.W.BOARD (2/4)

Wiring Side of P.W.BOARD (3/4)

Wiring Side of P.W.BOARD (4/4)

Voltage Specifications

IC Voltage Specifications (Multiple ICs)

Pin voltage specifications for multiple key ICs including IC1, IC2, IC3, IC301, IC401, IC302, IC501, IC303.

Troubleshooting Guide

CD Operation and Turntable Stop Issues

Steps to diagnose CD operation and turntable stop failures.

Turntable Movement and CD Tray Issues

Steps to diagnose turntable movement and CD tray opening/closing problems.

CD Function and Key Operation Issues

Steps to troubleshoot when the CD function or keys do not work.

CD Playback System Troubleshooting

CD Tracking, Spin, VCO, and Audio Issues

Troubleshooting tracking, spin, VCO systems, and no sound issues.

Integrated Circuit Function Tables

IC1, IC2, IC3, IC401 Function Details

Pin functions for key ICs including Servo Amp, Signal Control, Driver, and Audio Processor.

IC701 System Microcomputer Function Details

IC701 Function Details (Continued)

IC701 Function Details (Final)

Parts Lists

Integrated Circuits, Transistors, Diodes Parts

Capacitors and Resistors Parts

Capacitors and Resistors Parts (Continued)

Other Circuitry, Mechanism, Cabinet Parts

Exploded Views

CD Mechanism Exploded View

Cabinet Exploded Views (Parts 1 & 2)

Speaker Exploded View