Sharp CD-M4000W User Manual

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CD-M4000W/CP-M4000
No. S9156CDM4000W
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ................................................................................................. 3
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY.................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
BLOCK DIAGRAM ........................................................................................................................................................... 17
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 20
VOLTAGE ........................................................................................................................................................................ 38
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 39
TYPES OF TRANSISTOR AND LED................................................................................................................................39
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 40
TROUBLESHOOTING ..................................................................................................................................................... 41
FUNCTION TABLE OF IC................................................................................................................................................ 45
FL DISPLAY ......................................................................................................................................................................53
REPLACEMENT PARTS LIST/EXPLODED VIEW
MINI COMPONENT SYSTEM
MODEL CD-M4000W
• 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
SPEAKER SYSTEM
MODEL CP-M4000

Sharp CD-M4000W Specifications

General

Brand	Sharp
Model	CD-M4000W
Category	Stereo System
Language	English

Summary

SAFETY PRECAUTIONS

LASER SAFETY WARNINGS

Precautions for protecting eyes from laser beam exposure during servicing.

VOLTAGE SELECTION

Instructions for selecting the correct AC voltage for the unit.

UNIT SPECIFICATIONS

TROUBLESHOOTING AND RESET

Troubleshooting Chart

Common problems and their potential causes and solutions.

Unit Reset Procedure

DISASSEMBLY INSTRUCTIONS

Disassembly Safety Precautions

Important precautions before disassembling the unit.

COMPONENT REMOVAL AND REINSTALLATION

Tape Mechanism Section Procedures

Procedures for removing and reinstalling the tape mechanism.

ADJUSTMENT PROCEDURES

Tape Mechanism Adjustment

SECTIONAL ADJUSTMENTS

TEST MODE OPERATION

Entering Test Mode

ERROR MESSAGE SPECIFICATIONS

SYSTEM BLOCK DIAGRAMS

Block Diagram Part 1

First part of the system block diagram.

Block Diagram Part 2

Second part of the system block diagram.

Block Diagram Part 3

Third part of the system block diagram.

SCHEMATIC DIAGRAMS

Schematic Diagram 1/10

First schematic diagram page.

Schematic Diagram 2/10

Second schematic diagram page.

Schematic Diagram 3/10

Third schematic diagram page.

Schematic Diagram 4/10

Fourth schematic diagram page.

Schematic Diagram 5/10

Fifth schematic diagram page.

Schematic Diagram 6/10

Sixth schematic diagram page.

Schematic Diagram 7/10

Seventh schematic diagram page.

Schematic Diagram 8/10

Eighth schematic diagram page.

Schematic Diagram 9/10

Ninth schematic diagram page.

Schematic Diagram 10/10

Tenth schematic diagram page.

PWB WIRING DIAGRAMS

Main PWB-A Wiring

Display PWB-B1 Wiring

Main PWB-A Wiring Continued

Transformer, Power, Headphones PWB Wiring

Amp. PWB-D2 Wiring

CD Servo PWB-C Wiring

Tape Mechanism & CD Motor PWB Wiring

VOLTAGE MEASUREMENTS

CD CIRCUIT WAVEFORMS

TROUBLESHOOTING GUIDE

CD Section Malfunctions

Troubleshooting steps when the CD section does not operate.

CD Playback Issues

Steps to diagnose issues when a CD cannot be played.

Focus System Check

Steps to check the CD player's focus system.

Tracking System Check

Spin System Check

PLL System Check

Audio Output Issues

IC FUNCTION TABLES

IC1 CD Servo Block Diagram

IC701 Microcomputer Function Table (1/2)

IC701 Microcomputer Function Table (2/2)

IC601 Audio Processor Block Diagram

IC1 Mic Amp Function Table (1/2)

IC1 Mic Amp Function Table (2/2)

EXPLODED VIEWS

CD Mechanism Exploded View

Cabinet Exploded View (1/2)

Cabinet Exploded View (2/2)

Speaker Exploded View