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Philips MCM277 User Manual

Philips MCM277
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GB
CLASS 1
LASER PRODUCT
COMPACT
DIGITAL AUDIO
Service
Service
Service
Service
Service
MCM277/05/12/98
©
Copyright 2010 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 SL1020 Service Audio Printed in The Netherlands Subject to modification
Micro System
3141 785 32376
Version 1.6
Service Manual
From week 0913 onwards, ALI solution(decode IC) has been adopted
to replace ROHM solution(decode IC), accordingly new Main Board &
Display/MCU Board & AC Power Board, etc. were used to match with
new solution.
.
Please refer chapter 1 to 9 for sets produced before week 0913 and
chapter 10 & chapter 15 for changed contents for sets produced in or
after week 0913.
Ali solution starting S/N: EF2A0913000001.

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Philips MCM277 Specifications

Sound IconSound
output power2 x 5 W RMS, 2 x 10 W music power
sound enhancementdigital sound control 4 modes, Dynamic Bass Boost
Loudspeakers IconLoudspeakers
speaker drivers4" woofer
speaker typesbass reflex speaker system
Audio Playback IconAudio Playback
playback mediaCD, CD-R, CD-RW, MP3-CD, WMA-CD
disc playback modesrepeat/shuffle/program
USB direct playback modesfast backward/fast forward, play/pause, previous/next, program play, repeat, shuffle, stop
Tuner/Reception/Transmission IconTuner/Reception/Transmission
tuner bandsFM stereo, MW
RDSprogram type, station name, radio text, RDS clock set
station presets40
Connectivity IconConnectivity
audio/video outputHeadphone (3.5mm)
MP3 link3.5mm stereo line in
USBUSB host
Power IconPower
power supply frequency50 Hz
power supply voltage220 - 240 V
eco power standby1 W
Dimensions IconDimensions
main speaker dimensions (W x D)160 x 90 mm
gross weight5.5 kg
main speaker height269 mm

Summary

Service Manual

Version Variations

Board Variations

Details component variations per board for MCM277 versions.

Feature Variations

Lists feature differences across MCM277 versions.

Specifications

General Specifications

General technical parameters of the system.

Tuner Specifications

Technical details for FM and MW tuner sections.

Amplifier Specifications

Power output, frequency response, and DSC details.

CD Specifications

Technical details for Compact Disc playback.

MP3/WMA Specifications

Technical details for MP3 and WMA CD playback.

Measurement Setup

FM Tuner Measurement Setup

Procedures and diagrams for measuring FM tuner performance.

AM Tuner Measurement Setup

Procedures and diagrams for measuring AM tuner performance.

CD Measurement Setup

Procedures and diagrams for measuring CD playback performance.

Service Aids

Safety Warnings and ESD Precautions

Important safety warnings, ESD precautions, and laser product classification.

Lead-Free Soldering Information

Guidelines for handling lead-free soldering and identifying relevant sets.

Service Instructions

Procedures for returning the set to original condition after repair.

CD Playability Troubleshooting

CD Playability Troubleshooting Flowchart

Step-by-step guide for diagnosing CD playback issues.

CD Playability Checks and Cleaning

Playability Check Procedures

Methods for verifying CD playback compatibility and performance.

Customer Information for CD Issues

Guidance for informing customers about CD-related checks and faults.

Liquid Lens Cleaning

Step-by-step guide and precautions for cleaning the CD player lens.

Preparations and Controls

Remote Control Usage

Instructions on how to use the remote control effectively.

Setting the Clock

Step-by-step guide for setting the system's clock.

System Controls

Unit Controls Overview

Description of buttons and functions directly on the Hi-Fi system unit.

Remote Control Functions

Detailed explanation of each button on the remote control.

Controls and Installations

Unit Placement Options

Instructions on how to position the MCM275 unit.

Rear Connections Guide

Information on connecting cables to the rear of the unit.

Antenna Connections

Details on connecting FM and AM antennas.

Installation and Connections

Connecting External Audio Devices

How to connect non-USB audio appliances to the system.

Connecting USB Devices

How to connect USB memory devices for music playback.

AC Power Connection and Safety

Instructions for connecting AC power and important safety warnings.

Troubleshooting

General Troubleshooting & Remote Issues

Solutions for common issues like non-responsive system, remote control, and clock settings.

Audio & Reception Troubleshooting

Solutions for sound quality, sound output reversal, and poor radio reception.

Disc & USB Playback Issues

Solutions for "NO DISC" errors and problems with USB file display.

Dismantling Instructions

Rear Portion and PCB Dismantling

Step-by-step guide to disassemble the rear section and PCBs.

Display Lens and Volume Knob Removal

Instructions for removing the display lens and volume knob.

Dismantling Instructions

CD Module and Door Carrier Dismantling

Procedures for removing the CD module and door carrier assembly.

Service Test Program

Key Test and Display Test Modes

Procedures for performing key input tests and display element checks.

ADC Test and EEPROM Clear

Functions for testing ADC inputs and clearing the EEPROM.

System Block Diagram

System Block Diagram Overview

A visual representation of the main components and their interconnections.

System Wiring Diagrams

System Wiring Diagram Overview

A schematic showing the electrical connections between different boards and components.

Main Board

SAA6588T RDS/RBDS Pre-Processor Block Diagram

Block diagram detailing the RDS/RBDS pre-processor circuit.

Main Board Component Details

SAA6588T Pin Descriptions

Detailed pin functions for the RDS/RBDS pre-processor IC.

TDA1517 Power Amplifier Block Diagram

Block diagram illustrating the power amplifier circuit.

Main Board Component Details

TDA1517 Power Amplifier Pin Descriptions

Detailed pin functions for the TDA1517 power amplifier IC.

TEA5757 Self Tuned Radio Block Diagram

Block diagram of the TEA5757 self-tuned radio receiver.

Main Board Component Details

TEA5757 Radio Pin Descriptions

Detailed pin functions for the TEA5757 radio receiver IC.

Main Board Component Details

TEA5762 Radio Pin Descriptions

Detailed pin functions for the TEA5762 radio receiver IC.

Main Board Layout Diagrams

Main Board (5757) Top Side Layout

Component layout diagram for the Main Board (5757) top view.

Main Board Layout Diagrams

Main Board (5757) Bottom Side Layout

Component layout diagram for the Main Board (5757) bottom view.

Main Board Circuit Diagrams

Main Board (5757) Circuit Diagram

Schematic diagram for the Main Board (5757).

Main Board Layout Diagrams

Main Board (5762) Top Side Layout

Component layout diagram for the Main Board (5762) top view.

Main Board Layout Diagrams

Main Board (5762) Bottom Side Layout

Component layout diagram for the Main Board (5762) bottom view.

Main Board Circuit Diagrams

Main Board (5762) Circuit Diagram

Schematic diagram for the Main Board (5762).

HP Jack Board

HP Jack Board Top Side Layout

Component layout diagram for the HP Jack Board top view.

HP Jack Board Bottom Side Layout

Component layout diagram for the HP Jack Board bottom view.

HP Jack Board Circuit Diagram

Schematic diagram for the HP Jack Board.

Parts Lists

Main Board Electrical Components

List of electrical components for the Main Board.

CD & MCU Board

CD & MCU Board Overview

Information about the CD & MCU Board, intended for orientation.

CD & MCU Board Layout Diagrams

CD&MCU Board Top View Layout

Component layout diagram for the CD&MCU Board top view.

CD & MCU Board Layout Diagrams

CD&MCU Board Bottom View Layout

Component layout diagram for the CD&MCU Board bottom view.

CD & MCU Board Circuit Diagrams

CD Portion Circuit Diagram

Schematic diagram for the CD portion of the CD&MCU Board.

CD & MCU Board Circuit Diagrams

MCU Portion Circuit Diagram

Schematic diagram for the MCU portion of the CD&MCU Board.

SW Board

SW Board Top Side Layout

Component layout diagram for the SW Board top view.

SW Board Bottom Side Layout

Component layout diagram for the SW Board bottom view.

CD & MCU Board Electrical Parts List

List of electrical components for the CD & MCU Board.

LCD Driver HT1622

LCD Driver HT1622 Block Diagram

Block diagram illustrating the LCD driver IC.

LCD Driver HT1622 Pin Descriptions

Detailed pin functions for the LCD driver IC.

AC Power Board

AC Power Board Top Side Layout

Component layout diagram for the AC Power Board top view.

AC Power Board Bottom Side Layout

Component layout diagram for the AC Power Board bottom view.

AC Power Board

AC Power Board Circuit Diagram

Schematic diagram for the AC Power Board.

Board Layout and Circuit Diagrams

AC Socket Board Layout

Component layout diagrams for the AC Socket Board (top and bottom).

Door Motor Board Layout

Component layout diagrams for the Door Motor Board (top and bottom).

RC Board Layout and Circuit Diagram

Component layout and schematic for the RC Board.

Display Board

Display Board Top Side Layout

Component layout diagram for the Display Board top view.

Display Board Bottom Side Layout

Component layout diagram for the Display Board bottom view.

Display Board Circuit Diagram

Schematic diagram for the Display Board.

Key Board

Key Board Top Side Layout

Component layout diagram for the Key Board top view.

Key Board Bottom Side Layout

Component layout diagram for the Key Board bottom view.

Key Board Circuit Diagram

Schematic diagram for the Key Board.

Speaker & Antenna Board

SP & ANT Board Top Side Layout

Component layout diagram for the SP & ANT Board top view.

SP & ANT Board Bottom Side Layout

Component layout diagram for the SP & ANT Board bottom view.

SP & ANT Board Circuit Diagram

Schematic diagram for the SP & ANT Board.

Set Mechanical Exploded View

Mechanical Assembly Overview

An exploded view illustrating the mechanical assembly of the set.

Parts Lists

Mechanical & Accessories Parts List

List of mechanical and accessory parts for the main unit.

Parts Lists

Electrical Parts Lists for AC Power, Display, Key, SP & ANT, RC, Door Motor Boards

Comprehensive list of electrical components for various boards.

Parts Lists

Electrical Parts Lists for Main, Display/MCU, CD/USB, Audio Processor Boards

Component lists for several key PCBs including Main, Display/MCU, CD/USB, and Audio Processor.

Parts Lists

Electrical Parts Lists for Key, AC Power, SP/ANT, RC, Tuner Boards

Component lists for Key, AC Power, Speaker/Antenna, RC, and Tuner sections.

Software Version Checking

Checking Software Version on Front Panel

Procedure to check the system's software version via the front panel.

Clearing Tuner Program Stations

Method to erase all stored tuner program stations.

System Block Diagrams

System Block Diagram Overview

A visual representation of the main components and their interconnections.

System Wiring Diagrams

System Wiring Diagram Overview

A schematic showing the electrical connections between different boards and components.

Main Board PCB Layouts

Main Board Top View PCB Layout

Component layout for the Main Board, top side view.

Main Board PCB Layouts

Main Board Bottom View PCB Layout

Component layout for the Main Board, bottom side view.

Main Board Circuit Diagrams

Main Board Circuit Diagram

Schematic diagram for the Main Board.

CD & CD Door Motor & Limit Switch Board

CD & CD Door Motor & Limit Switch Board Top View Layout

Component layout diagram for the CD & CD Door Motor & Limit Switch Board top view.

CD & CD Door Motor & Limit Switch Board

CD & CD Door Motor & Limit Switch Board Bottom View Layout

Component layout diagram for the CD & CD Door Motor & Limit Switch Board bottom view.

CD & Limit SW Board Circuit Diagram

CD & Limit SW Board Circuit Diagram

Schematic diagram for the CD & Limit SW Board.

Board PCB Layouts

AC Power, HP Jack, SP & ANT, RC Boards Top View Layout

Component layout diagrams for multiple boards (top view).

Board PCB Layouts

AC Power, HP Jack, SP & ANT, RC Boards Bottom View Layout

Component layout diagrams for multiple boards (bottom view).

Key Board PCB Layouts

Key Board Top View PCB Layout

Component layout diagram for the Key Board top view.

Key Board Bottom View PCB Layout

Component layout diagram for the Key Board bottom view.

Circuit Diagrams

Key Board & AC Power Board Circuit Diagram

Schematic diagram combining Key Board and AC Power Board circuits.

Circuit Diagrams

HP Jack, SP & ANT, RC Board Circuit Diagrams

Schematic diagrams for HP Jack, SP & ANT, and RC boards.

Set Mechanical Exploded View

Detailed Mechanical Exploded View

A comprehensive exploded view of the mechanical components and assembly.

Parts Lists

ALI Solution Mechanical & Accessories Components

List of mechanical and accessory parts for the ALI solution.

ALI Solution Electrical Components

List of electrical components for the ALI solution.

Parts Lists

Electrical Components for Main, Key, AC Power Boards

Component lists for Main, Key, and AC Power PCBs.

Revision List

Manual Revision History

Summary of changes and updates made across different manual versions.

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