Philips EXP320 Service Manual
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Portable compact disc player

TABLE OF CONTENTS

Technical specification ......................................................1-1
Accessories .......................................................................1-1
Instruction For Use .....................................................1-2..1-6
Safety & Warnings.............................................................1-7
Repair positions ............................................................2-1
Dismantling CD-door .....................................................2-1
Handling chip components............................................2-2
Service tools..................................................................2-2
Pin descriptions of ICs................................................3-1..3-6
Service Test Program ........................................................3-7
Blockdiagram .....................................................................3-8
©
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.
Published by LX 0328 Service Audio
Printed in The Netherlands
Subject to modification
EXP320 EXP321 EXP322
EXP323 EXP325
Circuit diagrams
Control/ESP part............................................................4-1
Power supply part .........................................................4-2
Audio/CD part ................................................................4-3
Layout diagrams
Copper side view ...........................................................4-4
Component side view ....................................................4-5
Exploded view ...................................................................5-1
Mechanical partslist ...........................................................5-1
Electrical partslist .......................................................6-1..6-3
all versions
CLASS 1
© 3140 785 32600

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Table of Contents
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Summary of Contents for Philips EXP320

  • Page 1: Table Of Contents

    LASER PRODUCT © 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.
  • Page 2: Technical Specification

    Sound Technology ST1700B Level meter Rechargable i.e. Sennheiser UPM550 with FF-filter Battery lifetime ACCESSORIES P.saving ESP ON P.saving ESP ON EXP320 EXP321 EXP322 EXP325 EXP323 16 h -TARGET (11h typ.) (18h typ.) (11h typ.) (8h typ.) 3140 118 30742...
  • Page 3: Troubleshooting

    INSTRUCTION FOR UES TROUBLESHOOTING Troubleshooting WARNING: Under no circumstances should you try to repair the set yourself as this will invalidate the warranty. If a fault occurs, first check the points listed, before taking the unit for repair. If you are unable to solve a problem by following these hints, consult your dealer or service center.
  • Page 4: Instruction For Use

    INSTRUCTION FOR USE English CONTROLS / GENERAL INFORMATION GENERAL INFORMATION Controls ( see figure 1 ) Environmental information 1 VOL E ....adjusts the volume • All redundant packing material has been omitted. We have done our utmost to 2 •••OPEN 2 ..opens the CD lid make the packaging easily separable into three mono materials: cardboard (box), polystyrene foam (buffer) and polyethylene (bags, protective foam sheet).
  • Page 5 INSTRUCTION FOR USE GENERAL INFORMATION / POWER SUPPLY POWER SUPPLY / BASIC FUNCTIONS Supported formats Mains adapter (supplied or optionally available) This set supports: Only use the AY 3170 mains adapter (4.5 V/300 mA – Disc format: ISO 9660, Joliet, Multisession, UDF, Enhanced Music CD, direct current, positive pole to the center pin).
  • Page 6 INSTRUCTION FOR USE BASIC FUNCTIONS / FEATURES BASIC FUNCTIONS / FEATURES Pause Selecting and searching CD only 1 Press 2; to interrupt playback. Selecting a track during playback yElapsed playback time freezes and flashes. § or § once or several times to skip to •...
  • Page 7 INSTRUTION FOR USE FEATURES FEATURES / ACCESSORIES Playing tracks repeatedly or in random order-MODE ESP and powersaving 1 Press MODE repeatedly during playback to select either: With a conventional portable disc player the music – shuffle all : All tracks of the disc are played in may stop while you are jogging for example.
  • Page 8: Safety & Warnings

    1 - 7 SAFETY & WARNINGS © ñ WARNING WAARSCHUWING All ICs and many other semiconductors are susceptible to Alle IC´s en vele andere halfgeleiders zijn gevoelig voor electrostatic discharges (ESD). Careless handling during electrostatische ontladingen (ESD). repair can reduce life drastically. Onzorgvuldig behandelen tijdens reparatie kan de levensduur When repairing, make sure that you are connected with the drastisch doen vermindern.
  • Page 9: Service Hints

    2 -1 SERVICE HINTS REPAIR POSITION COMPONENTSIDE REPAIR POSITION COPPERSIDE To get access to the compomentside of the To get access to the copperside of the printed board assembly proceed as follows: printed board assembly proceed as follows: 1.Remove the bottom screws(6x) 1.Remove bottom screws (6x) 2.Open the CD-door 2.Lift the bottom-assy-1...
  • Page 10: Handling Chip Components

    2 - 2 HANDLING CHIP COMPONENTS SERVICE TOOLS 4822 397 30184 Audio signal disc SBC429 4822 397 30245 Playability test disc SBC444 Test disc 5 (disc without errors ) + Test disc 5A(disc with dropout errors black spots and fingerprints) SBC426/ SBC426A 4822 397 30096 ESD PROTECTION EQUIPMENT Anti-static table mat large 1200x650x1.25mm...
  • Page 11 3 - 1 BLOCK DIAGRAM OF IC SAA7824HL EXTFILTER D4 R1 R2 MONITOR SENSE LPOWER DC OFFSET COMPENSATION LASER LASER MONITOR POWER CON- LASER TROL LOGIC VOLTAGE BUFFER ANTI ALIAS HF & LF CAPTURE BIAS D1-D4 DSIC ADC OUTPUT GENERATOR REF_OUT STAGES CONTROL...
  • Page 12: Pin Descriptions Of Ics

    3 - 2 PIN DESCRIPTIONS OF IC SAA7824HL...
  • Page 13 3 - 3 PIN DESCRIPTIONS OF IC SAA7752...
  • Page 14 3 - 4 PIN DESCRIPTIONS OF IC SAA7752...
  • Page 15 3 - 5 PIN DESCRIPTIONS OF IC SAA7752...
  • Page 16 3 - 6 PIN DESCRIPTIONS OF IC SAA7752...
  • Page 17: Service Test Program

    3 - 7 3 - 7 SERVICE TEST PROGRAM - FLOW CHART STOP button pressed not in any step returns To enter Service to begin of Service Testprogram. Testprogramm hold To leave Service Testprogram press STOP to PLAY & PREV buttons depressed while pressing switch off.
  • Page 18: Blockdiagram

    3 - 8 3 - 8 BLOCKDIAGRAM DC JACK Headphone...
  • Page 19: Control/Esp Part

    4 -1 4 -1 COMBI BOARD - CIRCUIT DIAGRAM CONTROL/ESP PART 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 U5 K52 5016 AO25...
  • Page 20 4 - 2 4 - 2 COMBI BOARD - CIRCUIT DIAGRAM POWRE SUPPLY PART 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 U2 AC6 5006 F14...
  • Page 21: Audio/Cd Part

    4 - 3 4 - 3 COMBI BOARD - CIRCUIT DIAGRAM AUDIO/CD PART 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 U1 K7 6007 V40...
  • Page 22: Copper Side View

    4 - 4 4 - 4 COMBI BOARD - LAYOUT DIAGRAM COPPER SIDE VIEW...
  • Page 23: Component Side View

    4 - 5 4 - 5 COMBI BOARD - LAYOUT DIAGRAM COMPONENT SIDE VIEW...
  • Page 24: Exploded View

    3140 117 68721 BUTTON-DBB PNT-EXP321 3140 117 68711 BUTTON-SELECTION PNT-EXP321 3140 117 68751 BUTTON-ESP PNT-EXP321 3140 117 67671 BUTTON PLAY ASSY-EXP320 3140 117 68771 BUTTON-DISPLAY PNT-EXP321 3140 117 67681 BUTTON STOP ASSY-EXP320 3140 117 68731 BUTTON-PROGRAM PNT-EXP321 3140 117 68741 BUTTON-ALBUM "+-"...
  • Page 25: Electrical Partslist

    6 - 1 6 - 1 ELECTRICAL PARTSLIST - COMBI BOARD ELECTRICAL PARTSLIST - COMBI BOARD - MISCELLANEOUS - - CAPACITORS - - CAPACITORS - - CAPACITORS - 2092 2238 586 59812 100nF +80-20% Y5V 50V 3025 2238 586 59812 100nF +80-20% Y5V 50V 1001 2422 543 01106 CRYSTAL 2035...
  • Page 26 6 - 2 6 - 2 ELECTRICAL PARTSLIST - COMBI BOARD ELECTRICAL PARTSLIST - COMBI BOARD - RESISTORS - - RESISTORS - - RESISTORS - - RESISTORS - 3049 4822 117 12902 8,2K 1% 0,063W 3099 4822 051 30474 470K 5% 0,062W 3162 4822 117 12891 220K 1% 4003...
  • Page 27 6 - 3 ELECTRICAL PARTSLIST - COMBI BOARD - DIODES - 6019 4822 130 11397 BAS316 6020 9322 128 70685 SS14 6021 9322 128 70685 SS14 6024 5322 130 10734 BAT54A 6025 4822 130 80622 BAT54 6027 4822 130 11397 BAS316 - IC &...

This manual is also suitable for:

Exp321Exp322Exp323Exp325

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