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AX7201

all versions

Technical specification ......................................................1-1
Connections and controls ..................................................1-2
Features ............................................................................1-3
Accessories .......................................................................1-3

Safety & Warnings .............................................................1-4

Service hints

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

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

©

3103 785 25210

Published by PW 0246 Service Audio    Printed in The Netherlands    Subject to modification

Version 1.0

Portable CD-player

CLASS 1

LASER PRODUCT

TABLE OF CONTENTS

©

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.

Summary of Contents for AX7201

Page 1: ...side view 4 4 Copperside view 4 5 Exploded view 5 1 Mechanical partslist 5 1 Electrical partslist 6 1 Document history 7 1 3103 785 25210 Published by PW 0246 Service Audio Printed in The Netherlands Subject to modification Version 1 0 Portable CD player CLASS 1 LASER PRODUCT TABLE OF CONTENTS Copyright 2002 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of ...

Page 2: ...97 30184 Low pass filter DUT S N and distortion meter L R i e Sennheiser UPM550 with FF filter Level meter i e Sound Technology ST1700B i e 4822 395 30204 22kHz 13th order T E S E R P D N U O S e s n o p s e r y c n e u q e r F z H k 3 6 z H k 1 z H k 0 1 1 B B D B d 6 B d 2 B d 0 B d 2 B d 0 B d 2 2 B B D B d 9 B d 2 B d 0 B d 2 B d 5 B d 2 T N E R R U C N O I T P M U S N O C V 5 4 N I C D V 5 2 ...

Page 3: ...position played HOLD locks all buttons 5 2 switches the player on starts or pauses CD play 6 9 stops CD play clears a program or switches the player off 7 skips and searches CD tracks backwards skips and searches CD tracks forwards 8 volume up volume down 9 2 opens the CD lid 0 type plate Remote Control AY3774 1 p 3 5mm headphone jack 2 Clip 3 HOLD locks all buttons 4 VOL 3 4 adjusts the volume 2 ...

Page 4: ... a C r o t p a d A r a C 9 5 0 0 1 7 9 3 2 2 8 4 O O O O O 0 0 5 4 5 3 Y A r e t r e v n o C C D C D r a C 3 3 0 0 1 9 1 2 2 2 8 4 O O O O O 4 7 7 3 Y A l o r t n o C e t o m e R D C L d r o C 1 5 2 1 5 8 1 1 0 4 1 3 X X X X X s 7 7 5 4 5 E H C B S g u l p S e n o h p r a E 9 6 2 0 0 0 0 1 2 8 0 9 X X X X X r o t p a d A k c a J e n o h p d a e H G P 5 2 T S 5 3 0 7 6 4 8 8 0 3 3 0 1 3 X X X X X e...

Page 5: ...d that parts which are identical with those specified be used Safety components are marked by the symbol i Le norme di sicurezza estigono che l apparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati Componenty di sicurezza sono marcati con ñ Veiligheidsbepalingen vereisen dat het apparaat in zijn oorspronkeliijke toestand wor...

Page 6: ...cess to the componentside of the printed board assembly proceed as follows 1 Remove the bottom screws 4x 2 Remove the cabinet screws 4x 3 Lift the bottom take care of cabinet bottom snaps 4 Lift the printed boards and flip the main board 5 Supply the unit via external DC socket 6 Short circuit door switch 1409 during measurements POSITIONING OF SPRING CD DOOR Remark The spring for the CD door is p...

Page 7: ...x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connection box 3 press stud connections 1MΩ 4822 320 11307 Extendible cable 2m 2MΩ to connect wristband to connection box 4822 320 11305 Connecting cable 3m 2MΩ to connect table mat to connection box 4822 320 11306 Earth cable 1MΩ to connect any product to mat or to connection box 4822 320 11308 KIT ESD3 combining all 6 prior products sma...

Page 8: ...F preamp focus error output 24 GCTL HF preamp gain APC control pin 25 FBAL HF preamp pin to input signal for controlling focus balance adjustment 26 TBAL HF preamp pin to input signal for controlling tracking balance adjustment 27 E HF preamp satellite diode signal input 28 F HF preamp satellite diode signal input 29 D HF preamp central diode signal input 30 B HF preamp central diode signal input ...

Page 9: ...river connection terminal 1 for slope capacitor 23 MUTE1 µP servo driver mute terminal for all 24 MUTE2 µP servo driver mute terminal for channel 1 2 3 25 VO3F servo driver channel 3 forward output 26 VO3R servo driver channel 3 reverse output 27 PVCC4 servo driver power supply for H bridge driver 28 PGND3 GND power ground 29 C2N servo driver capacitor 2 connect pin for charge pump 30 C2P servo dr...

Page 10: ...ignal processor RF signal input 40 IREF signal processor reference current input 41 ADPVCC signal processor A D converter reference voltage input 42 DSLF signal processor DSL loop filter 43 DRF signal processor DSL bias 44 PLLF signal processor PLL loop filter 45 VCOF signal processor jitter free VCO loop filter 46 AVDD2 2 6V power supply for analog circuits 47 AVSS2 GND ground for analog circuits...

Page 11: ... i t n i a t r e c a n i h t i w k c o l t o n d l u o c p o o L k c o L e s a h P e h T 8 0 0 1 E r o r r e r o t o m e l b a t n r u t l a t a f n o n n i h t i w t o n s i d e e p s r o t o m n e h w d e t a r e n e G d e e p s t e g r a t f o 0 2 9 0 0 1 E r o r r e o i d u a l a t a f n o n r o r r e o i d u a e l b a t c e r r o c n U 0 1 0 1 E t n e m t s u j d a c i t a m o t u a r o r r e...

Page 12: ... Y N Y N Y N Y N Y N Toggle focus sensitivity see table 3 DBB pressed N Y N Y VOL pressed N Y Y N read patt written patt N table3 focus sensitivity DISPLAY FLAG FOCUS SENSITIVITY Normal focus sensitivity for CDDA and CD R Low focus sensitivity for high reflective CD RW High focus sensitivity for low reflective CD RW Disc motor turns clockwise accelerate Disc motor turns counter clockwise brake MOD...

Page 13: ...2 6V VCC 7401 2 6V LASER CONTROL VCC 7804 LDOFF MUTE1 MUTE2 FPG MON A RFOUT FBAL RFN LD MN662786SB DIGITAL SERVO CD DECODER VCC2 7306 HEADPHONE RC SOCKET 1300 RCDATA RCCLK SUPPLY CHARGE CIRCUIT 1201 DC in socket T700mA DC DC CONVERTER TEMP A CHARGE CIRCUIT 3 0V 2 6V 3 3V TEMP DETECT A STAB CHG_PWM CHG_ON CHG_DET BATT_LEVEL DC_IN TO µP MUTE1 MUTE2 EXTERNAL BATTERY RECHARG BATTERY T700mA MUTE FROM µ...

Page 14: ...00R BAS316 6201 3208 22K 47K 3213 2305 2u2 3303 8K2 3245 10K 3230 150K 2210 10n 4 8 5 3 1 TEA1208T 7201 7 6 2 3236 68K 1R0 3231 3330 A 3K3 3215 10K BC807 25W COL 7202 3334 3K3 3 1 2 HEC3604 EXTERNAL DC SOCKET 1201 3K3 6 2 4 8 5 3 1 3252 TEA1208T 7204 7 3333 470R A 3305 15K 4 11 A LM324 7208 1 3 2 1 18K 3243 A 7302 BC817 25W 2221 1u0 2214 100n 10K 3226 3251 22K 2303 1u0 3216 220K 3332 3K3 6204 SL03...

Page 15: ...1 FBAL 32 FE 55 FLAG 28 FOM 27 FOP 52 FSEL 29 IOVDD1 59 IOVDD2 79 DVDD1 21 DVDD2 78 DVSS1 20 DVSS2 57 EXT0 58 EXT1 80 EXT2 2 D0 3 D1 6 D2 7 D3 67 DMUTE 43 DRF 1 DRVDD 42 DSLF 41 ADPVCC 39 ARF 51 AVDD1 46 AVDD2 49 AVSS1 47 AVSS2 37 BDO 64 BLKCK 18 A2 19 A3 14 A4 13 A5 12 A6 11 A7 10 A8 15 A9 MN662786SB MN662786SB DIG SERVO CD DECODER DRAM CONTROLLER AN8399SA HF PREAMP LASER CONTROL 7802 16 A0 17 A1...

Page 16: ...56x8 1401 CSTCR 4M 3420 470K 3411 C 10K SKQR 1403 56K 3433 47K 6 7 8 9 10 3421 1402 SSR 1 2 3 4 5 10K 3411 B 10K 3440 1n0 2418 6401 BAS316 12K 3427 BC847BW 7400 2417 1u0 1M0 3435 3417 100K 2407 220n 47K 3405 1 10K 3432 2412 100n 2 100K 3406 2416 22u 6 3V 3439 1K0 SSSS8 1400 A 3 1 2 4 SPVE 2 3 1 4400 2402 100n SKQR 1407 3424 3K3 3404 3 100K 1K0 3438 2413 22u 6 3V 3402 47K 3400 22K 3418 22K 49 48 47...

Page 17: ...A9 3250 A9 3255 B9 3300 B8 3301 B8 3302 B8 3304 B8 3305 B8 3306 B8 3307 B8 3309 B8 3310 B8 3311 E1 3312 E1 3315 B9 3316 C8 3317 B8 3318 D1 3319 B8 3320 B8 3321 B9 3322 B8 3323 D1 3325 B8 3326 B8 3327 C8 3328 D1 3329 E1 3330 B8 3331 B8 3332 B9 3333 B9 3334 B9 3335 B9 3400 E4 3402 E4 3404 D4 3405 E4 3406 D4 3408 D4 3411 E4 3412 E4 3414 E4 3417 E4 3418 C7 3419 D3 3421 E3 3422 E4 3423 E4 3428 E4 3432 ...

Page 18: ... 3253 E8 3254 B2 3256 B1 3257 B1 3303 D9 3308 B2 3313 D9 3314 D9 3324 D9 3336 C3 3403 E6 3410 E6 3420 D7 3424 D1 3425 C1 3426 E4 3427 E3 3433 C7 3434 C7 3435 C7 3436 D7 3442 E7 3443 E6 3800 D4 3802 D5 3803 D5 3804 D5 3805 D4 3806 D4 3808 D5 3809 D5 3811 D4 3812 D5 3815 E5 3816 E5 3817 E4 3818 E4 3820 E4 3822 E4 3826 C3 3833 D5 3834 D6 3836 D5 3837 D5 3839 D5 3840 E5 3841 E5 3842 E5 3843 E4 3844 D6...

Page 19: ...03 304 73581 SUSPENSION 1001 2 3103 301 46091 SPRING BATTERY PLUS 1001 3 3103 301 46081 SPRING BATTERY MINUS 1101 3103 309 05440 CD DRIVE KSM1000 8001 3103 308 93080 FLEXFOIL CABLE 14P 83mm AD 5 1 5 1 EV AX7201 021105 2 3 8 1 1101 8001 3x 1001 2 1001 3 KSM1000 M1 7x6 4x Pl 1 7x6 4x 501 Screw Hinge 2x 5 open resume 502 506 507 504 503 508 509 511 512 EXPLODED VIEW ...

Page 20: ...822 126 13879 220nF 20 16V 2318 4822 126 13879 220nF 20 16V 2319 2020 004 90283 10µF 20 10V CAPACITORS 2320 2238 586 59812 100nF 10 50V 2321 3198 017 41050 1µF 20 10V 2322 2020 552 96305 4 7µF 20 10V 2323 4822 126 13879 220nF 20 16V 2324 3198 017 41050 1µF 20 10V 2325 2238 586 59812 100nF 10 50V 2400 2238 586 59812 100nF 10 50V 2401 2238 586 59812 100nF 10 50V 2402 2238 586 59812 100nF 10 50V 2403...

Page 21: ...8 031 01830 18kΩ 5 0 06W RESISTORS 3244 3198 031 01830 18kΩ 5 0 06W 3245 4822 117 13606 10kΩ 5 0 06W 3246 3198 031 05630 56kΩ 5 0 06W 3247 3198 031 02240 220kΩ 5 0 06W 3248 3198 031 04740 470kΩ 5 0 06W 3249 3198 031 01540 150kΩ 5 0 06W 3250 3198 031 01030 10kΩ 5 0 06W 3251 4822 117 13606 10kΩ 5 0 06W 3252 3198 031 03320 3 3kΩ 5 0 06W 3253 3198 031 03320 3 3kΩ 5 0 06W 3254 4822 117 13606 10kΩ 5 0 0...

Page 22: ...5 6kΩ 5 0 06W 3834 3198 031 03330 33kΩ 5 0 06W 3836 3198 031 03330 33kΩ 5 0 06W 3837 3198 031 01830 18kΩ 5 0 06W 3838 3198 031 05630 56kΩ 5 0 06W 3839 4822 117 13602 2 2kΩ 5 0 06W 3840 4822 117 13606 10kΩ 5 0 06W 3841 4822 117 13606 10kΩ 5 0 06W RESISTORS 3842 3198 031 02250 2 2MΩ 5 0 06W 3843 4822 117 13606 10kΩ 5 0 06W 3844 4822 117 13606 10kΩ 5 0 06W 3845 4822 117 13606 10kΩ 5 0 06W 3846 4822 1...

Page 23: ...T N1 DC DC CONVERTER 7207 9322 185 08668 KF35BD STABILIZER IC 7208 4822 209 80587 LM324N 4 FOLD OPAMP 7306 9322 185 11668 TA2131FL HEADPHONE AMPLIFIER 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 MN6...

Page 24: ...DOCUMENT HISTORY Version 1 0 Initial release 7 1 ...

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