Philips AX7201 Service Manual
Portable cd player
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- Service manual (24 pages) ,
- Specification (2 pages) ,
- Specifications (2 pages)
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User Manual
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
© 3103 785 25210
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Table of Contents
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Summary of Contents for Philips AX7201
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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 RFOUT HF-preamp RF addition amp output RFIN HF-preamp AGC amp input...
- Page 9 BH6541KV – SERVO DRIVER Name Direction Description PVCC1_1 power supply for H-bridge driver PVCC1_2 power supply for H-bridge driver HBOUT1 servo driver H-bridge driver output HBOUT2 servo driver H-bridge driver output PGND1_1 power ground PGND1_2 power ground W_OUT servo driver spindle phase W PVCC2 servo driver...
- 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 NRAS signal processor DRAM...
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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.
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Page 13: Blockdiagram
BLOCKDIAGRAM +2.6V 7403 AVDD P TMP86PM29AU LCD DRIVER moves outside +2.6V +3.3V + P eye-pattern signal DISC > 800 mVpp not moving 7401 RESET moves inside CLOCK GEN. 16bit TIMER EEPROM TURNTABLE TB=0.5 s & TIMING COUNTER +DRIVE MOTOR nPSM 4MHz CONTROL (FROM P) -
Page 15: Control 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 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...
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Page 24: Document History
DOCUMENT HISTORY Version 1.0 • Initial release...