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Portable CD-player

TABLE OF CONTENTS

Technical specification ......................................................1-1
Connections and controls ..................................................1-2
Features ............................................................................1-3
Accessories .......................................................................1-3
Safety & Warnings.............................................................1-4
Repair positions ............................................................2-1
Dismantling CD-door .....................................................2-1
Handling chip components............................................2-2
Service tools..................................................................2-2
Pin description of ICs.........................................................3-1
Service Test Program ........................................................3-4
Blockdiagram .....................................................................3-6
©
Copyright 2002 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 PW 0246 Service Audio
Version 1.0
Printed in The Netherlands
Subject to modification
Circuit diagrams
Power part .....................................................................4-1
CD part ..........................................................................4-2
Control part ...................................................................4-3
Printed circuit board
Componentside view .....................................................4-4
Copperside view............................................................4-5
Exploded view ...................................................................5-1
Mechanical partslist ...........................................................5-1
Electrical partslist...............................................................6-1
Document history...............................................................7-1
AX7201
all versions
CLASS 1
LASER PRODUCT
© 3103 785 25210

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Summary of Contents for Philips AX7201

  • Page 1: Table Of Contents

    LASER PRODUCT © Copyright 2002 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

    TECHNICAL SPECIFICATION Shock resistance (ESP=off) : ≥2.5g +X/-X direction : ≥2.5g +Y/-Y direction General : ≥2.0g +Z/-Z direction Dimensions (W x H x D) : 130.4 x 14.5 x 135.5mm Weight without batteries : 125g Headphone out (measured with 16Ω load, DBB/ESP=off) Output power (THD≤10%) Power supply modes /17 version only...
  • Page 3: Connections And Controls

    CONNECTIONS AND CONTROLS Portable CD-player AX7201 Remote Control AY3774 1 4.5V DC ..jack for AC/DC adaptor power supply 1 p......3.5mm headphone jack 2 EXT. BATT..jack for external battery supply 2 Clip 3 p/LINE OUT ..connect the remote control here and your 3 HOLD ....locks all buttons...
  • Page 4: Features

    FEATURES – – ACCESSORIES → → e i l a l i...
  • Page 5: Safety & Warnings

    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 6: Service Hints

    SERVICE HINTS REPAIR POSITION COPPERSIDE REPAIR POSITION COMPONENTSIDE To get access to the copperside of the To get access to the componentside of the printed board assembly proceed as follows: printed board assembly proceed as follows: 1. Remove the bottom screws (4x) 1.
  • Page 7: Handling Chip Components

    HANDLING CHIP COMPONENTS SERVICE TOOLS Audio signal disc SBC429 4822 397 30184 Playability test disc SBC444A 4822 397 30245 CD-RW printed audio disc 7104 099 96611 ESD PROTECTION EQUIPMENT Anti-static table mat large 1200x650x1.25mm 4822 466 10953 small 600x650x1.25mm 4822 466 10958 Anti-static wristband 4822 395 10223 Connection box (3 press stud connections, 1MΩ)
  • Page 8 PIN DESCRIPTION OF INTEGRATED CIRCUITS AN8399SA – HF-PREAMPLIFIER Name Direction Description → HF-preamp input for LD output monitoring PD signals → HF-preamp external TR drive pin for driving LD power supply → HF-preamp RF addition amp inverting input HF-preamp → RFOUT RF addition amp output →...
  • Page 9 BH6541KV – SERVO DRIVER Name Direction Description PVCC1_1 power supply for H-bridge driver PVCC1_2 power supply for H-bridge driver servo driver → HBOUT1 H-bridge driver output servo driver → HBOUT2 H-bridge driver output PGND1_1 power ground PGND1_2 power ground servo driver → W_OUT spindle phase W →...
  • Page 10 MN662786SB – DIGITAL SIGNAL PROCESSOR FOR CD Name Direction Description DRVDD +2.6V power supply for DRAM interface signal processor ↔ DRAM DRAM data I/O signal 0 signal processor ↔ DRAM DRAM data I/O signal 1 signal processor → DRAM DRAM write enable signal signal processor →...
  • Page 11: Service Test Program

    SERVICE TEST PROGRAM To enter the Service Test Program proceed as follows: 1. Disconnect the AC/DC adaptor and remove batteries 2. Open the CD-door 3. Hold PLAY & NEXT buttons depressed 4. Connect the AC/DC adaptor or insert batteries The display shows the software version (e.g. “P-2901”).
  • Page 12 SERVICE TEST PROGRAM – FLOW CHART 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” & “NEXT” buttons depressed 4. Connect the AC/DC adaptor or insert batteries Display shows software-version (e.g.
  • Page 13: Blockdiagram

    BLOCKDIAGRAM +2.6V 7403 AVDD P TMP86PM29AU LCD DRIVER moves outside +2.6V +3.3V +µP eye-pattern signal DISC > 800 mVpp not moving 7401 RESET moves inside CLOCK GEN. 16bit TIMER EEPROM TURNTABLE TB=0.5µs & TIMING COUNTER +DRIVE MOTOR nPSM 4MHz (FROM µP) CONTROL MCLK nPSM...
  • Page 14: Power Part

    1200 A3 2202 A9 2210 A15 2221 B1 2304 E12 2312 F6 2320 G9 3203 A9 3211 A10 3219 B3 3227 E3 3235 F2 3244 G2 3252 B2 3302 D8 3310 E7 3318 F13 3326 F12 3334 H9 6203 A5 7202 A7 7208-3 E3 7300-B F6...
  • Page 15: Cd Part

    1800 C1 2804 B4 2810 C2 2816 E3 2822 D5 2828 E3 2835 F13 2841 F8 2847 B4 2853 F7 2859 B2 3801 A2 3807 B5 3813 B5 3819 B1 3825 F9 3833 G4 3840 A4 3846 H8 3852 E1 4801 A12 4814 C11 6800 A11...
  • Page 16: Control Part

    1400-A A10 1404 H9 1408 H12 2402 B4 2406 D6 2410 D5 2414 F5 2418 G11 3402 C15 3404-3 A11 3405-3 B13 3410 C14 3411-D D14 3418 E6 3422 H8 3426 H11 3433 F14 3437 G7 3441 H6 5400 E3 7402 B2 7405 H6 1401 F9...
  • Page 17: Componentside View

    1201 E3 2211 C9 2305 B8 2317 B8 2405 C6 2800 E7 2832 D5 2853 D5 3206 C9 3216 C8 3232 A9 3246 C8 3305 B8 3318 D1 3329 E1 3405 E4 3422 E4 3807 D5 3828 E5 4815 E5 7203 C9 7302 D1 1202 E2...
  • Page 18: Copperside View

    1200 C1 1406 E5 2204 D2 2304 B2 2407 C4 2805 E5 2818 E5 2828 E5 2847 D5 2859 D4 3224 A1 3256 B1 3403 E6 3434 C7 3804 D5 3816 E5 3836 D5 3845 D6 3856 D6 5201 C2 6300 E8 7803 D3 1204 B2...
  • Page 19: Exploded View

    1001.2 3103 301 46091 SPRING-BATTERY-PLUS 1001.3 3103 301 46081 SPRING-BATTERY-MINUS Screw Hinge 1101 3103 309 05440 CD-DRIVE KSM1000 8001 3103 308 93080 FLEXFOIL CABLE, 14P, 83mm AD M1.7x6 open 1101 KSM1000 1001.2 8001 1001.3 resume Pl. 1.7x6 EV AX7201, 021105...
  • Page 20: Electrical Partslist

    ELECTRICAL PARTSLIST CAPACITORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2320 © 2238 586 59812 100nF 2321 © 3198 017 41050 1µF MISCELLANEOUS 2322 © 2020 552 96305 4,7µF ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2323 © 4822 126 13879 220nF 1101 3103 309 05440 CD-DRIVE KSM1000 2324 © 3198 017 41050 1µF 1200 ! 2422 086 11012 FUSE 0,7A 50V UL...
  • Page 21 CAPACITORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2841 © 2020 552 96623 2,2nF 3244 © 3198 031 01830 18kΩ 0,06W 2842 © 2020 552 96623 2,2nF 3245 © 4822 117 13606 10kΩ 0,06W 2843 © 2238 586 59812 100nF 3246 © 3198 031 05630 56kΩ...
  • Page 22 RESISTORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3414 © 4822 117 13543 470Ω 0,06W 3842 © 3198 031 02250 2,2MΩ 0,06W 3417 © 4822 117 11297 100kΩ 0,06W 3843 © 4822 117 13606 10kΩ 0,06W 3418 © 4822 117 13601 22kΩ 0,06W 3844 © 4822 117 13606 10kΩ...
  • Page 23 7401 © 9322 143 49668 M24C01-RDW6, EEPROM 7402 © 9322 182 28668 BH6541KV, PWM-SERVO DRIVER 7403 © 3103 308 84640 TMP86CM29BU-AX7201, MICRO PROC. 7800 © 9322 186 57668 MSM51X17400F-10TS-K, DRAM 7801 © 9322 182 66671 AN8399SA, HF PRE-AMPLIFIER 7802 © 9322 182 62671 MN662786SB, SERVO&CD DECODER...
  • Page 24: Document History

    DOCUMENT HISTORY Version 1.0 • Initial release...

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