Philips MCD728 User Manual

Version 1.2
MCD728
© 3141 785 31692
Service Manual
DVD Micro System
all versions
Published by DB 0730 Service Audio Printed in The Netherlands Subject to modification
©
Copyright 2007 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.
Handling chip components ............................................................1-1
Information about lead-free soldering............................................1-2
Technical specification...................................................................2-1
Service tools..................................................................................2-1
Service measurement setup..........................................................2-2
Connections and controls......................................................3-1...3-4
Disassembly diagram............................................................4-1...4-2
Software version and upgrading....................................................5-1
Set block diagram..........................................................................5-2
Set wiring diagram.........................................................................5-3
VFD BOARD
circuit diagram ..........................................................................6-1
layout diagram ..........................................................................6-2
TUNER BOARD
circuit diagram
......................................................................7-1
layout diagram .......................................................................7-2
AMP BOARD
circuit diagram ..........................................................................8-1
layout diagram ..........................................................................8-2
CPU BOARD
circuit diagram ..........................................................................9-1
layout diagram ..........................................................................9-2
Pre-AMP BOARD
circuit diagram ........................................................................10-1
layout diagram ........................................................................10-2
DVD MPEG BOARD
circuit diagram ..............................................................13-1...13-5
layout diagram ........................................................................13-6
Exploded view diagram......................................................14-1...14-2
Service partslist.................................................................14-3...14-5
Factory partslist..................................................................15-1...15-5
TABLE OF CONTENTS
CLASS 1
LASER PRODUCT

Philips MCD728 Specifications

Picture/Display

D/A converter	12bit, 108MHz
Picture enhancement	High Def (720p, 1080i), Video upsampling, Video upscaling

Sound

Output Power	Total 400W RMS
Sound Enhancement	Class 'D' Digital Amplifier, Digital Sound Control 4 modes, Dynamic Bass Boost, Loudness, Moving Speakers
Sound System	Dolby Virtual speaker, Dolby Digital

Loudspeakers

Main Speaker	Speaker grilles detachable, 3x3" bullet full range
Subwoofer driver	8" woofer
Subwoofer type	Passive

Power

Power supply	110-240V, 50/60 Hz

Dimensions

Main speaker dimensions (W x H x D)	150 x 323 x 150 mm
Set dimensions (W x H x D)	240 x 160 x 230 mm
Subwoofer dimensions (W x H x D)	430 x 262 x 292 mm
Packaging dimensions (W x H x D)	740 x 496 x 354 mm
Weight incl. Packaging	20 kg

Summary

DVD Micro System Service Manual MCD728

Handling Chip Components

General Handling Procedures

Safety Precautions and Warnings

Important safety information regarding ESD, laser radiation, and general handling.

Lead-Free Soldering and Service Instructions

Lead-Free Soldering Identification and Procedures

Details on identifying and performing lead-free soldering, including tool requirements.

Service Instructions and Safety Requirements

Guidelines for returning the set to original condition and essential safety checks post-repair.

Technical Specifications and Service Equipment

System, DVD, Amplifier, and Tuner Specifications

Detailed technical data for the system, DVD, amplifier, and tuner components.

Speaker, Subwoofer, and Remote Specifications

Service Measurement Procedures

Tuner Measurement Setup

Procedures for measuring tuner performance using specific test equipment.

CD Measurement Setup

Connection and Control Setup

Speaker and Subwoofer Connection

Guidelines for positioning speakers and connecting them, including subwoofer.

TV Connectivity Options

External Device Connectivity

System Connections and Operations

Antenna, Power, and HDMI Connections

Functional Overview

Remote Control Functions

Detailed explanation of buttons and their functions on the remote control.

System Unit Controls

Overview of buttons and the display on the main DVD system unit.

Detailed Functional Overview

Advanced Remote Operations

DVD Part Disassembly Diagram

DVD Part Disassembly Steps

Steps for removing the bottom cover, back panel, and DVD mechanism.

Amplifier Part Disassembly Diagram

Amplifier Part Disassembly Steps

Steps for removing the bottom cover, back panel, and amplifier boards.

Software Version and Upgrading

Inspecting Software Version

Steps to check the current software version of the system.

Software Upgrade Process

Instructions for upgrading the system's software using an upgrade disk.

System Block Diagram

Overall System Architecture

Visual representation of how different blocks of the system are interconnected.

Set Wiring Diagram

Inter-Board Connections

Diagram showing how the various PCBs are wired together.

DVD MPEG Board Circuit Diagram - Part 1

Main MPEG Processor and HDMI Circuitry

Schematic of the MPEG board focusing on the main processor and HDMI interface.

DVD MPEG Board Circuit Diagram - Part 2

Video Output and Audio Circuitry

Details of video output circuits (YUV, CVBS) and audio processing on the MPEG board.

DVD MPEG Board Circuit Diagram - Part 3

Memory, USB, and PLL Circuitry

DVD MPEG Board Circuit Diagram - Part 4

Pickup Control and Power Supply Circuits

DVD Exploded View Diagram

DVD Mechanism Assembly Breakdown

Amplifier Exploded View Diagram

Amplifier Assembly Breakdown

Factory BOM - Part 1

General Factory BOM Items

Factory BOM - Part 2

Amplifier and Speaker BOM Items

Factory BOM - Part 3

Frequency Divider and Speaker BOM Items

Factory BOM - Part 4

Electronic Components and Connectors BOM Items

Factory BOM - Part 5

PCB and Gearbox BOM Items