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Philips ACT7585 Service Manual

Portable compact disc player
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Portable Compact Disc Player

TABLE OF CONTENTS

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Flow Chart
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Pinning of Intergated Circuits
Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified
be used.
C
Copyright 1995 Philips Consumer Electroncis 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 SS 0109 Service Audio
PCS 107 221
chapter
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1 - 1
2 - 1
2 - 1
2 - 2
2 - 9
2 - 9
2 - 9
2 - 9
2 - 9
3 - 1
3 - 2
3 - 3
3 - 4
3 - 5 to 3 - 7
Printed in The Netherlands
CIRCUIT DIAGRAMS
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Membrane Assembly
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Mechanical partslist
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Copyright reserved
Subject to modification
ACT7585
all versions
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CLASS 1
LASER PRODUCT
3140 785 22590
GB
chapter
4 - 1
4 - 2
4 - 3
4 - 6
4 - 4
4 - 5
5 - 1
4 - 6

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Summary of Contents for Philips ACT7585

  • Page 1: Table Of Contents

    LASER PRODUCT Copyright 1995 Philips Consumer Electroncis 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: Handling Chip Components

    HANDLING CHIP COMPONENTS © 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 3: Technical Specification

    TECHNICAL SPECIFICATIONS General Shock resistance (ESP off) Dimension (W x H x D) : 133 x 32 x 148 mm +X/-X direction 2.5 G Weight : 225 g +Y/-Y direction 2.5 G +Z/-Z direction Power supply modes Shock resistance with car base (ESP off) DC in socket : 4.5 –...

  • Page 4: Connections & Controls

    CONNECTIONS AND CONTROLS PCS 107 223...

  • Page 5: Instructions For Use

    INSTRUCTIONS FOR USE PCS 107 224...
  • Page 6 INSTRUCTIONS FOR USE PCS 107 225...
  • Page 7 INSTRUCTIONS FOR USE PCS 107 226...
  • Page 8 INSTRUCTIONS FOR USE PCS 107 227...
  • Page 9 INSTRUCTIONS FOR USE PCS 107 228...
  • Page 10 INSTRUCTIONS FOR USE PCS 107 229...

  • Page 11: Features Overview

    ACCESSORIES ACCESSORIES FOR CD-PORTABLE ACT7585 AY3170/00 AC/DC ADAPTOR 482221910617 AY3160/02 AC/DC ADAPTOR 482221910449 AY3170/17 AC/DC ADAPTOR 482221910616 AY3266 POUCH 314011310360 AY3362 BATTERY NIMH-R6 310330884120 AY3501/00 CAR ADAPTOR CASSETTE 482239710059 AY3545/00 CAR DC/DC CONVECTER 482221910033 AY3678V/00 HEADPHONE 482224211007 AY3860/00 ACTIVE SPEAKER BOX...

  • Page 12: Service Test Program

    SERVICE TEST PROGRAM 1. PRELIMINARY SETUP 6. FOCUS TEST • To enter the service test program disconnect the AC/DC adaptor Purpose: Check movement of lens and operation of focus servo for and remove batteries, open the CD-door and hold the buttons CDDA and CDRW discs.
  • Page 13 SERVICE TSET PROGRAM To enter the service test program PRELIMINARY 1. Disconnect the AC/DC adaptor and remove batteries SETUP 2. Open the CD-door 3. Hold “PLAY” & “PREV” buttons depressed 4. Connect the AC/DC adaptor or insert batteries Display shows “PLAY”...

  • Page 14: Block Diagram

    BLOCK DIAGRAM eye-pattern signal during focus search MEMBRANE-KEYBOARD & LCD > 800 mVpp 2,5V TB=0.1s +2.6V -2,5V TB=0.5m s AVDD TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE CD10 ´ P TMP86C829 SCLK LCD DRIVER WCLK left channel right channel DATA (connected via zebra-strip) servo in or servo out or disc motor cw...

  • Page 15: Startup Procedure

    START-UP PROCEDURE Start-up procedure for ext.DC supply, POWER OFF no accu inserted, hold-switch in off pos., (stand-by) ESP on, resume-mode off, CD-door closed. focus found PLAY during ramping pressed ? cycle ? m P sends new focus parameters to CD10 (switch to higher focus sensitivity) m P calculates...
  • Page 16 PIN DESCRIPTION OF INTEGRATED CIRCUITS TZA1024 – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– HF-preamp Æ CD-drive current output to laser diode VCCL +2.6V laser supply voltage Æ CFIL HF-preamp external filter capacitor CD-drive Æ HF-preamp laser monitor diode input CD-drive Æ...
  • Page 17 SAA7324 – DECODER, DIGITAL SERVO IC AND D/A-CONVERTER CD10 (low voltage version) Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Æ HFREF CD10 comparator common mode input Æ HFIN CD10 comparator signal input CD10 Æ ISLICE current feedback from data slicer VSSA1 analog ground 1 VDDA1 +2.6V analog supply voltage 1...
  • Page 18 SM5903BF – COMPRESSION-TYPE ANTI-SHOCK MEMORY CONTROLLER NPC Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– +2.6V supply voltage NPC ´ µP interface extension I/O line 1 NPC ´ µP interface extension I/O line 2 NPC ´ µP interface extension I/O line 3 NPC ´ µP interface extension I/O line 4 NPC ´...

  • Page 19: Control/Supply Part

    CONTROL / SUPPLY PART - CIRCUIT DIAGRAM 1250 H4 1403 G11 2255 C7 2261 D1 2267 F4 2273 G6 2400 F15 2701 H14 3255 C5 3261 C4 3268 E8 3274 F2 3280 H2 3286 F1 3292 D8 3401 B14 3407 E10 3413 D15 3419 C15 6251 B2...

  • Page 20: Audio Part

    AUDIO PART - CIRCUIT DIAGRAM 1300 C10 2304 C3 2309 C3 2314 D6 2319 C8 2324 D9 2892 A8 3304 B3 3309 D2 3314 E5 3319 D6 3324 E8 3331 A5 7300-A B3 7305 B6 F302 D9 2300 B3 2305 D2 2310 A6 2315 D5 2320 D8...

  • Page 21: Cd Part

    CD PARTD - CIRCUIT DIAGRAM 1830 C1 2802 B5 2830 D1 2834 E3 2838 E4 2842 E5 2846 B4 2850 A9 2854 A10 2858 F6 2862 B9 2885 D14 2889 H12 3801 B1 3805 B4 3809 C2 3833 D2 3837 D3 3841 D4 3845 E4 3849 B5...

  • Page 22: Layout Diagrams Component Side View

    LAYOUT DIAGRAM - COMPONENT SIDE VIEW 1250 F4 2802 E1 3313 H3 1251 C8 2804 E1 3314 H3 1252 A5 2830 F1 3315 H4 1300 H6 2843 F4 3320 I5 1401 B8 2850 F6 3322 H6 1402 H4 2851 F5 3323 H6 1403 A6 2852 F6 3324 H6...

  • Page 23: Copper Side View

    LAYOUT DIAGRAM - COPPER SIDE VIEW 1400 A4 2846 C5 3318 F4 3837 B5 7306 E5 1840 C4 2847 C4 3319 E5 3838 B5 7307 E5 2250 D4 2848 C4 3321 E5 3839 B5 7400 A4 2251 A1 2849 C4 3327 E4 3840 C5 7800 C5 2252 D5 2856 D3...
  • Page 24 MEMBRANE ASSEMBLY MECHANICAL PARTSLIST 401 3140 114 37310 Decorative Cover 402 3140 114 37400 Door-ACT-DA23 403 4822 401 11793 Metal Clip Door 404 3140 117 60660 Menbrane LCD Assy ESD-GND 406 4822 466 12154 Plate Door +2.6V 407 4822 532 13114 O Ring Door KEY1 408 3140 114 36610 Cabinet-DA23 409 3103 309 05340 CD DA23L Drive Assy...

  • Page 25: Exploded View Diagram

    EXPLODED VIEW DIAGRAM SCREWS LIST 3 (4x) 4 (6x) 1 C M1.3 x 2.5 2 C M1.5 x 3 3 C M1.5 x 4.5 4 C M1.6 x 9 5 C M1.6 x 15 2 (2x) 5 (2x) 412f 412a 412b 412c 412g...
  • Page 26 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST - CAPACITORS - - CAPACITORS - - CAPACITORS - - RESISTORS - 2250 4822 126 14083 4µ7 10V 2321 4822 126 14472 1µF 10% X7R 10V 2858 4822 126 13344 1,5nF 5% 63V 3281 4822 117 12925 47K 1% 0.063W 2251 4822 126 14472...

  • Page 27: Electrical Partslist

    ELECTRICAL PARTSLIST - RESISTORS - - RESISTORS - 3406 4822 051 30102 5% 0,062W 3853 4822 051 30109 5% 0,062W 3407 4822 051 30154 150K 5% 0,062W 3854 4822 051 30222 5% 0,062W 3408 4822 051 30123 5% 0,062W 3855 4822 051 30222 5% 0,062W 3409...
  • Page 28 ELECTRICAL PARTSLIST - IC & TRANSISTORS - 7301 3198 010 42310 Trans BC847BW 7302 3198 010 42310 Trans BC847BW 7303 3198 010 42310 Trans BC847BW 7305 4822 209 16083 IC BA3574BFS 7306 3198 010 42310 Trans BC847BW 7307 3198 010 42310 Trans BC847BW 7400 8203 303 11110...

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