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Philips ACT-300 Service Manual
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Philips ACT-300 Service Manual

Philips ACT-300 Service Manual

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Portable compact disc player

TABLE OF CONTENTS

Technical specification ......................................................1-1
Features ............................................................................1-1
Accessories .......................................................................1-2
Connections and controls ..................................................1-2
Instruction for use.......................................................1-3..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 description of ICs .................................................3-1..3-4
Start-up procedure.............................................................3-5
Service Test Program ........................................................3-5
Blockdiagram .....................................................................3-6
©
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 0241 Service Audio
Printed in The Netherlands
Subject to modification
Circuit diagrams
Supply part ....................................................................4-1
CD part ..........................................................................4-2
DSP part........................................................................4-3
Audio part ....................................................................4-4
Control part ..................................................................4-5
Layout diagram - copper side view ................................4-6
Layout diagram - component side view .........................4-7
Exploded view ...................................................................5-1
Mechanical partslist ...........................................................5-1
Electrical partslist .......................................................6-1..6-6
psa[cd8
ACT300
all versions
CLASS 1
LASER PRODUCT
© 3140 785 32210

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Summary of Contents for Philips ACT-300

  • 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

    Headphone out (measured with 16Ω load, DBB/ESP off) TECHNICAL SPECIFICATION Output power (THD=10%) General all versions : 10mW (+1/-3dB) Frequency response CD (1mW) : 100Hz-20kHz within 6dB Dimensions (Dia x H) : 106 x 28mm S/N ratio CD (unwght) : ≥80dB (83dB typ.) Weight without batteries : 145g S/N ratio CD (A-wght)

  • Page 3: Accessories

    CONNECTIONS AND CONTROLS controls controls front view rear view front view 1 hold/resume/ of f display − hold locks all buttons adjusts the volume (down) resume stores the last position played off switches resume and hold off 2 esp adjusts the volume (up) electronic skip protection prevents skips backward and searches music interruptions caused by shocks...

  • Page 4: Instruction For Use

    firmware file for mains adapter as soon as A blinks and Replace your set and if the firmware version is higher than the current version of your set.
  • Page 5 INSTRUCTION FOR USE basic functions basic functions pause volume and sound press 2; to interrupt playback. volume adjustment the time where playback was interrupted adjust the volume by using & +. − is blinking. 0:24 to resume playback press 2; again. LOVE01 bass adjustment press eq once during playback to select the bass...
  • Page 6 INSTRUCTION FOR USE features features playing tracks repeatedly or in random order – mode storing the last position played – resume press mode repeatedly during playback to select you can store the last position played. when restarting, playback will continue from either: where you have stopped.
  • Page 7 INSTRUTION FOR USE accessories accessories adjust the volume and sound on the psa and your remote control. clip magnets note: replace the batteries as soon as no batt is displayed on the remote control´s wear your remote control and secure your display.

  • 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 componentside of the To get access to the copperside of the printed board assembly proceed as follows: printed board assembly proceed as follows: 1.Remove screws 3pcs (in the CD-door) 1.Remove screws 3pcs (in the CD-door) Remove screws 1pc (in the Battery-door) Remove screws 1pc (in the Battery-door)

  • Page 10: Handling Chip Components

    2 - 2 HANDLING CHIP COMPONENTS SERVICE TOOLS service tool: ESD Equipment: Universal Torx driver holder......4822 395 91019 Anti-static table mat-large Torx bit T10 150mm........4822 395 50456 1200x650x1.25mm........4822 466 10953 Torx driver set T6-T20........4822 395 50145 Anti-static table mat-small Torx driver T10 extended......4822 395 50423 600x650x1.25mm........4822 466 10958 Anti-static wrist band........4822 395 10223 Compact Disc:...
  • Page 11 PIN DESCRIPTION OF INTEGRATED CIRCUITS TZA1024 – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– HF-preamp → CD-drive current output to laser diode VCCL +2.6V laser supply voltage CFIL → HF-preamp external filter capacitor CD-drive → HF-preamp laser monitor diode input CD-drive →...
  • Page 12 SAA7324 – DECODER, DIGITAL SERVO IC AND D/A-CONVERTER CD10 (low voltage version) Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– HFREF → CD10 comparator common mode input HFIN → CD10 comparator signal input ISLICE CD10 → current feedback from data slicer VSSA1 analog ground 1 VDDA1 +2.6V analog supply voltage 1...
  • Page 13 TMS320DA150PGE160 – DIGITAL SIGNAL PROCESSOR DSP Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– CVSS1 ground for core CPU DSP ↔ parallel address bus CVSS2 ground for core CPU DVDD1 +3.3V power supply for I/O pins DSP ↔ parallel address bus CD10 → MUTE reference current output pin DSP ↔...
  • Page 14 CVSS7 ground for core CPU BCLKX1 DSP ↔ transmit clock DVSS4 ground for I/O pins BFSX1 DSP → frame synchronization pulse for transmit input/output BDX1 DSP → servo driver serial data transmit output DVDD4 +3.3V power supply for I/O pins DVSS5 ground for I/O pins CLKMD1...

  • Page 15: Start-Up Procedure

    3 - 5 3 -5 START- UP PROCEDURE SERVICE TEST PROGRAM - FLOW CHART To enter the service test program Start-up procedure for ext.DC supply, POWER OFF PRELIMINARY 1. Disconnect the AC/DC adaptor and remove batteries no accu inserted, hold-switch in off pos., (stand-by) ESP on, resume-mode off, CD-door closed.

  • Page 16: Blockdiagram

    BLOCKDIAGRAM servo in or eye-pattern signal disc motor cw during focus search > 800 mVpp 2,5V not moving 7400 MDCL, MDDA servo out or P TMP86CH21AU TB=0.1s disc motor ccw -2,5V TB=0.5µs LCD DRIVER +3.3V TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE servo out SCLK not moving...

  • Page 17: Supply Part

    4 -1 4 -1 MAIN BOARD - CIRCUIT DIAGRAM 1250 I9 2205 H13 2235 C12 2252 B6 2260 D4 2268 H7 2279 E8 2296 E14 3204 H12 3215 E10 3224 E11 3235 B11 3243 G9 3252 C6 3260 D4 3272 F3 3280 H2 3289 G8 3299 E14...
  • Page 18 4 - 2 4 - 2 MAIN BOARD - CIRCUIT DIAGRAM 1830 C1 2802 B6 2830 C2 2836 E5 2840 E6 2844 D6 2848 B7 2852 B11 2856 E13 2860 F9 2888 F9 3802 B3 3806 C5 3830 C2 3834 D3 3838 D4 3842 D5 3846 E5...

  • Page 19: Dsp Part

    4 - 3 4 - 3 MAIN BOARD - CIRCUIT DIAGRAM 2475 B2 2476 G13 2479 A10 2480 A10 2481 B4 2482 C14 DSP PART - D60 2483 C2 2484 B7 3480 +1.5V 2485 G1 +3.3V +3.3V 2486 G11 7481 F491 10R 2487 G7 +3.3V...

  • Page 20: Audio Part

    4 -4 4 -4 MAIN BOARD - CIRCUIT DIAGRAM 1301 D10 2304 E2 2309 C2 2314 E6 2320 D10 2327 B7 2332 D9 2337 D5 3302 E1 3307 D4 3312 E4 3317 A8 3323 E9 3329 D10 3336 B8 3341 D2 3346 D5 3351 C6 7300-B C2...

  • Page 21: Control Part

    4 - 5 4 - 5 MAIN BOARD - CIRCUIT DIAGRAM 1401 G8 1402 H7 1403 H3 1404 A6 1407 A3 1408 B4 1409 B4 CONTROL PART - W00 1410 B4 2208 B5 2400 G8 2401 H4 2402 H6 1407 2406 H6 2407 B6 2408 B6...

  • Page 22: Layout Diagram - Copper Side View

    4 - 6 4 - 6 MAIN BOARD - LAYOUT DIAGRAM COPPER SIDE VIEW...

  • Page 23: Layout Diagram - Component Side View

    4 - 7 4 - 7 MAIN BOARD - LAYOUT DIAGRAM COMPONENT SIDE VIEW...

  • Page 24: Exploded View

    5 - 1 5 - 1 EXPLODED VIEW DIAGRAM - CABINET MECHANICAL PARTSLIST - CABINET 3140 117 63970 TOP PANEL ASSEMBLY 3140 110 51650 3140 113 32990 MEMBRANE KEYBOARD 3140 111 01430 SPRING-CD-DOOR 3140 117 63930 DOOR CD ASSEMBLY 3103 300 41610 SCREW-P-1,4X3-NI 3140 114 45950 COVER-CD DOOR...

  • Page 25: Electrical Partslist

    6 - 1 ELECTRICAL PARTSLIST - MAIN BOARD - MISCELLANEOUS - - CAPACITORS - 1250 2422 025 17975 CONNECTOR 8P 2265 2238 586 59812 100nF +80-20% Y5V 50V 1251 2422 086 11012 FUSE 0,7A 50V 2266 4822 126 13883 220pF 5% 50V 1252 2422 026 05086 CONNCTOR H 1P...
  • Page 26 6 - 2 ELECTRICAL PARTSLIST - MAIN BOARD - CAPACITORS - - CAPACITORS - 2331 4822 124 12397 330µF 20% 6,3V 2801 4822 126 13193 4,7nF 10% X7R 63V 2332 4822 124 12397 330µF 20% 6,3V 2802 2020 552 96305 4,7µF +80-20% Y5V 10V 2333 3198 017 41050...
  • Page 27 6 - 3 ELECTRICAL PARTSLIST - MAIN BOARD - RESISTORS - - RESISTORS - 3204 3198 031 04720 4,7K 5% 3262 4822 117 13543 470R 5% 3208 3198 031 02250 2,2M 5% 3266 4822 117 13606 10K 5% 0,0062W 3209 4822 117 13603 33K 5% 0,0062W 3268...
  • Page 28 6 - 4 ELECTRICAL PARTSLIST - MAIN BOARD - RESISTORS - - RESISTORS - 3335 4822 117 13613 2,2R 5% 3457 4822 117 13545 100R 5% 3336 4822 117 13596 220R 5% 0,0062W 3460 4822 117 13606 10K 5% 0,0062W 3339 4822 117 13597 330R 5% 0,0062W...
  • Page 29 6 - 5 ELECTRICAL PARTSLIST - MAIN BOARD - RESISTORS - - DIODES - 3845 4822 117 13606 10K 5% 0,0062W 6258 5322 130 34337 BAV99 3846 4822 117 13606 10K 5% 0,0062W 6300 4822 130 11551 UDZS10B 3847 3198 031 03390 33R 5% 6301 4822 130 11551...
  • Page 30 6 - 6 ELECTRICAL PARTSLIST - MAIN BOARD - MISCELLANEOUS - 1002 3103 309 05430 CD DM55 DRIVE ASSY 1003 3140 110 51650 9082 100 00787 HEADPHONE SBC HJ020/77E 3140 118 51170 REMOTE CONTROL AY3773 ! 3140 118 33630 AC/DC ADAPTOR AY3170/00 (for /00) ! 3140 118 32020 AC/DC ADAPTOR AY3170/02 (for /01) ! 3140 118 33640...

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