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Philips MC230 Service Manual

Philips MC230
31 pages
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GB
CLASS 1
LASER PRODUCT
COMPACT
DIGITAL AUDIO
Service Manual
Service
Service
Service
Service
Service
MC230/21M/22/25/30
TABLE OF CONTENTS
Page
Location of pc boards & Version variations................1-2
Technical Specifications .............................................1-3
Measurement setup ....................................................1-4
Service Aids, Safety Instruction, etc...........................1-5
Disassembly Instructions & Service positions .............. 2
Service Test Programs ...............................................3-1
Set Block diagram ......................................................4-1
Set Wiring diagram .....................................................5-1
Power Board .................................................................. 6
Key Board ...................................................................... 7
Main Board .................................................................... 8
Display Board ................................................................ 9
Set Mechanical Exploded view & parts list .................10
©
Copyright 2003 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
Published by SL 0427 Service Audio Printed in The Netherlands Subject to modification
Micro System
3141 785 30020
Version 1.0
MC235/37

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Philips MC230 Specifications

General IconGeneral
Display typeLCD
Backlight colorBlue
TypeHome audio micro system
Cassette deckNo
Product colorSilver
Disc loading typeFront
Optical disc playerYes
Number of optical discs1 discs
Speaker type2-way
RMS rated power20 W
Woofer diameter76.2 mm
Number of speakers-
Supported radio bandsFM, MW
Preset stations quantity40
Apple docking compatibilityNot supported
Storage media typeNot available
Headphone outputs1
Headphone connectivity3.5 mm
Playback modesProgram, Repeat, Repeat all, Repeat one, Shuffle
Disc types supportedCD, CD-R, CD-RW
Power sourceAC
Weight and Dimensions IconWeight and Dimensions
Depth96 mm
Width250 mm
Height245 mm
Package depth375 mm
Package width305 mm
Package height314 mm
Package weight5600 g
Main speaker width166 mm

Summary

Location of Printed Circuit Boards

Version Variations

Details specific features and boards used across different model versions.

Technical Specifications

General Specifications

Covers mains voltage, frequency, clock accuracy, and unit dimensions.

Tuner Specifications

Lists tuning range, sensitivity, selectivity, and distortion for FM and MW.

Amplifier Specifications

Details output power, frequency response, and sound controls like DSC and DBB.

Measurement Setup

Tuner FM Measurement Setup

Outlines the test equipment and procedure for FM tuner measurements.

Tuner AM Measurement Setup

Details the test setup and conditions for AM tuner measurements.

CD and Recorder Measurement Setup

Describes test equipment and methods for CD and tape recorder performance checks.

Service Aids and Tools

Service Tools and ESD Equipment

Lists required tools, testers, and electrostatic discharge (ESD) protection equipment.

Cassette and Disc Test Aids

Identifies necessary test cassettes and discs for functional checks.

Handling Chip Components

Chip Component General Handling

Provides general guidelines for handling and attaching chip components to PCBs.

Dismounting and Mounting Techniques

Illustrates methods for removing and installing chip components safely.

Soldering Precautions and Examples

Shows correct and incorrect soldering techniques for reliable repairs.

Safety and Warning Information

ESD Safety Precautions

Explains sensitivity of components to electrostatic discharge and protective measures.

Laser Product Safety Warning

Warns about invisible laser radiation and avoiding direct exposure.

General Safety Requirements

States requirements for restoring the set to original condition and using specified parts.

Initial Setup and Preparations

Remote Control Preparation

Instructions for preparing the remote control for use.

Connecting Speakers and Antennas

Guides on connecting speakers and antenna systems for optimal performance.

Other Connections and Battery Replacement

Covers connecting external equipment and replacing the remote battery.

System and Remote Controls

Front Panel Controls

Describes the function of buttons and indicators on the main unit.

Remote Control Functions

Explains the various functions accessible via the remote control.

User Information and Cautions

United Kingdom Specific Notes

Details UK mains plug fuse replacement, wiring, and copyright considerations.

Country-Specific Declarations and Warnings

Includes Italian conformity, Norwegian safety, general cautions, and Finnish warnings.

Troubleshooting Guide

CD Operation and Reception Issues

Addresses issues with CD playback and radio reception quality.

General System and Remote Control Problems

Covers system unresponsiveness, audio issues, and remote control malfunctions.

Dismantling Instructions

Rear Portion Disassembly

Step-by-step guide to removing the rear cabinet and related parts.

Front Board and CD Door Dismantling

Instructions for removing front panels, main board, and CD door assembly.

Repair Hints and Service Positions

Provides crucial advice on handling fragile flex cables and service orientations.

Service Test Programs

Test Modes Overview

Explains how to enter service test modes and displays ROM version.

Compact Disc and Remote Control Tests

Details tests for CD mechanism operations and remote control key functions.

EEPROM and Display Tests

Covers EEPROM clearing and display segment/LED checks.

Set Block Diagram

Set Wiring Diagram

Power Board Overview

Power Board Circuit Diagram

Power Board Layout Diagrams

Power Board Component Layout

Shows the physical arrangement of components on the power board's component side.

Power Board SMD Layout

Illustrates the layout of Surface Mount Devices (SMD) on the power board.

Key Board Section

Front Board Circuit Diagram

Key_A Board Layout Diagrams

Key_A Board Component Layout

Shows the physical arrangement of components on the Key_A board's component side.

Key_A Board SMD Layout

Illustrates the layout of SMD components on the Key_A board.

Key_B Board Layout Diagrams

Key_B Board Component Layout

Shows the physical arrangement of components on the Key_B board's component side.

Key_B Board SMD Layout

Illustrates the layout of SMD components on the Key_B board.

Key_C Board Layout Diagrams

Key_C Board Component Layout

Displays the physical arrangement of components on the Key_C board's component side.

Key_C Board SMD Layout

Illustrates the layout of SMD components on the Key_C board.

Main Board Overview

Main Board Block Diagram

Main PCB Component Layouts

Main PCB Component Layout (Page 24)

Shows the physical arrangement of components on the main PCB's component side.

Main PCB Component Layout (Page 25)

Displays further component placement details on the main PCB's component side.

Headphone PCB Layouts

Headphone PCB Top Layout

Shows the top layout for the headphone connection PCB.

Headphone PCB Bottom Layout

Shows the bottom layout for the headphone connection PCB.

Flash Microcontroller Block Diagram

Display Board Overview

Display Board Circuit Diagram

Display Board Layout Diagrams

Display Board Component Layout

Displays the physical arrangement of components on the display board's component side.

Display Board SMD Layout

Illustrates the layout of SMD components on the display board.

Exploded Drawing

Parts Lists

Mechanical and Accessories Parts

Lists part numbers and descriptions for mechanical and accessory items.

Electrical Parts List

Lists part numbers and descriptions for electronic components and integrated circuits.

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