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Philips AZ 1538 User Manual

Philips AZ 1538
31 pages
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CD Sound Machine
AZ 1538
all versions
Handling Chip Components and Safety ..........................1 - 1
Technical Specification & Service tools...........................2 - 1
Service Measurement......................................................2 - 2
Connections and controls.......................................3 - 1..3 - 2
Instructions for use.................................................3 - 3..3 - 4
Tuner adjustment.............................................................3 - 5
Abbreviations and Pin-description of CD ICs ..................4 - 1
Disassembly Diagram......................................................4 - 2
Block Diagram .................................................................5 - 1
Wiring Diagram................................................................5 - 2
Combi Board - Circuit Diagram
Front part.................................................................6 - 1
Tuner part................................................................7 - 1
Combi Board - Circuit Diagram
CD part 1 ................................................................8 - 1
CD part 2 ................................................................8 - 2
Audio/supply part.....................................................9 - 1
Combi Board - Layout Diagram
Layout diagram (copper side)................................10 - 1
Layout diagram (component side).........................10 - 2
MP3CD2002 Board
Circuit diagram ......................................................11 - 1
Layout diagram......................................................11 - 2
Exploded view - cabinet.................................................12 - 1
Mechanical partslist.......................................................12 - 1
Electrical partslist .............................................13 - 1 .. 13 - 8
© 3140 785 32120
Published by LX 0227 Service Audio Printed in The Netherlands Subject to modification
CLASS 1
LASER PRODUCT
TABLE OF CONTENTS
©
Copyright 2001 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.
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Philips AZ 1538 Specifications

General IconGeneral
Playable disc formatsCD, CD-R, CD-RW
Headphone outputYes
CD PlayerYes
Cassette DeckYes
RadioYes
Tuner BandsFM
Speakers2

Summary

Handling Chip Components

General Handling Procedures

Basic guidelines for handling electronic components, including tools and static discharge precautions.

Component Dismounting and Mounting

Procedures and techniques for safely removing and installing electronic components.

Safety Precautions (ESD, Laser, General)

Essential safety warnings and guidelines for handling electronic components and operating laser products.

Technical Specifications

General Specifications

Technical details for mains voltage, frequency, battery requirements, power consumption, and dimensions.

Amplifier Specifications

Output power, speaker impedance, and frequency response characteristics of the audio amplifier.

Tuner FM Section Specifications

Tuning range, IF frequency, sensitivity, selectivity, and rejection for the FM tuner.

Tuner AM Section Specifications

Tuning range, IF frequency, sensitivity, selectivity, and rejection for the AM tuner.

Compact Disc Specifications

Frequency response, S/N ratio, channel differences, laser wavelength, and power for CD playback.

Service Tools

List of specialized audio signal discs and test discs required for service operations.

ESD Protection Equipment

Catalog of recommended equipment for electrostatic discharge protection during servicing.

Service Measurement Procedures

Tuner SW Measurement

Methodology for measuring Shortwave tuner performance using RF generator and voltmeter.

Tuner AM Measurement

Procedure for measuring AM (MW,LW) tuner performance in a Faraday cage.

CD Measurement

Testing procedures for CD player performance using audio signal discs and filters.

Connections and Controls Overview

Control Panel Layout

Diagram identifying and describing the functions of buttons and displays on the main unit.

Remote Control Layout

Diagram identifying and describing the functions of buttons on the remote control unit.

Power Supply and Digital Tuner Operation

Power Supply and Battery Information

Instructions for using AC power and inserting batteries for the main unit and remote.

Digital Tuner Operation

Guidance on tuning radio stations, manual and automatic programming, and volume adjustment.

MP3-CD Player Operation

Getting MP3 Music

Advice on obtaining and preparing MP3 files for playback on the unit.

MP3-CD Specifications

Supported disc formats, bit rates, directory nesting, and general information on MP3 technology.

Organizing MP3 Files

Guidelines for structuring albums and tracks on an MP3-CD for optimal playback.

Playing MP3-CDs

Step-by-step instructions for inserting and playing MP3-CDs, including pause and stop functions.

Track Selection and Playback Modes

Methods for selecting tracks, albums, and utilizing playback modes like Shuffle and Repeat.

MP3-CD Player Troubleshooting and Safety

Programming and Erasing Tracks

Procedures for programming track numbers, reviewing, and erasing programs.

Safety and Maintenance Information

General warnings, care instructions for the set, CD handling, and environmental disposal guidelines.

Troubleshooting Common Issues

Solutions for common problems such as no sound, radio noise, poor reception, and CD playback errors.

Tuner Adjustment Procedures

Varicap Alignment

Detailed steps for aligning the varicap circuit across different wavebands using specific test points.

FM IF Alignment

Procedure for adjusting the FM Intermediate Frequency circuit for optimal performance.

FM RF Alignment

Steps for tuning the FM Radio Frequency circuit for accurate reception.

VCO Alignment

Procedure for aligning the Voltage Controlled Oscillator circuit for frequency stability.

AM IF Alignment

Steps for adjusting the AM Intermediate Frequency circuit for accurate signal processing.

AM RF Alignment

Procedure for tuning the AM Radio Frequency circuit for optimal reception.

CD IC Pin Descriptions

Servo Processor SAA7325H Pinout

Detailed description of each pin and its function for the SAA7325H servo processor IC.

Disassembly Instructions

Bottom Cabinet Assembly Removal

Step-by-step guide for removing the bottom cabinet assembly, including screw references.

Battery Compartment Assembly Removal

Procedure for detaching the battery compartment assembly from the unit.

Deck Mechanism Removal

Instructions for removing the CD deck mechanism, specifying screw types and quantities.

Front Panel Assembly Removal

Guide for detaching the front panel assembly, indicating the screws to be removed.

System Block Diagram

Wiring Diagram

Combi Board Circuit Diagram (Front Part)

Combi Board Circuit Diagram (Tuner Part)

Combi Board Circuit Diagram (CD Part 1)

Combi Board Circuit Diagram (CD Part 2)

Combi Board Layout Diagram (Copper Side)

Combi Board Layout Diagram (Component Side)

MP3CD2002 Board Circuit Diagram

MP3CD2002 Board Layout Diagram

Exploded View Diagram - Cabinet

Mechanical Parts List - Cabinet

Illustrated list of all mechanical parts and hardware required for cabinet assembly and repair.

Electrical Parts - Miscellaneous

Capacitors (List 1)

List of capacitor part numbers, values, and specifications.

Electrical Parts - Capacitors (List 2)

Capacitors (List 3)

Further list of capacitor part numbers, values, and specifications.

Electrical Parts - Capacitors (List 4)

Resistors (List 1)

List of resistor part numbers, values, and wattage ratings.

Electrical Parts - Resistors (List 2)

Resistors (List 3)

Further list of resistor part numbers, values, and wattage ratings.

Electrical Parts - Resistors (List 4)

Resistors (List 5)

Additional resistor part numbers, values, and wattage ratings.

Electrical Parts - Resistors (List 6)

Coils & Filters

List of coil and filter component part numbers and specifications.

Electrical Parts - Coils & Filters

IC & Transistors

List of integrated circuits and transistors with part numbers and types.

Miscellaneous Electrical Parts

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