Philips-AZ-7901-Service-Manual(1) 电路图 维修手册.pdf

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1、PRODUCT FAMILY DORIS1 PB1 Technical specification .1-1 Feature overview.1-1 Connections and controls.1-2 Accessories .1-3 Safety & Warnings.1-4 Service hints Repair positions .2-1 Dismantling CD-door.2-1 CD-drive cleaning & lubrication.2-2 CD-drive lens cleaning.2-2 Handling chip components.2-3 Serv

2、ice tools.2-3 Pin description of ICs .3-1.3-3 Start-up procedure.3-4 Blockdiagram.3-5 Circuit diagrams Part1 (supply, control and servo part).4-1 Part2 (signal processing and audio part) .4-2 Printed circuit board Componentside view.4-3 Copperside view.4-4 Exploded view .5-1 Mechanical partslist.5-1

3、 Electrical partslist .6-1.6-2 CS 46 638 3103 785 25000Published by PW 9951 Service Audio Printed in The Netherlands Subject to modification Portable compact disc player CLASS 1 LASER PRODUCT AZ7900 AZ7901 all versions TABLE OF CONTENTS Copyright 1999 Philips Consumer Electronics B.V. Eindhoven, The

4、 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. RadioFans.CN 收音机爱 好者资料库 1-1 CS 46 639 TECHNICAL SPECI

5、FICATION General Dimensions (WxHxD): 128x28x139mm Weight without batteries: 220g Power supply modes DC-in socket: 2.5-6.0V Primary batteries (2xLR6): 1.6-3.6V Rechargable batteries (AY3362): 1.6-3.6V Battery lifetime Primary batteries (2xLR6): 11h (15h typ.) Rechargable batteries (AY3362): 6h (8h ty

6、p.) Battery empty detection Battery empty level: 1.8V nom. +100/-50mV Current consumption at DC-in supply = 4.5V PLAY mode: 150mA (100mA typ.) JUMP mode: 300mA (220mA typ.) Stand-by mode: 200A (100A typ.) Current consumption at Battery supply = 2.25V PLAY mode: 190mA (135mA typ.) JUMP mode: 400mA (3

7、00mA typ.) Stand-by mode: 200A (100A typ.) Shock resistance +X/-X direction: 4.0g +Y/-Y direction: 4.0g +Z/-Z direction: 3.0g Headphone out (measured with 16 load, DBB off) Output power (THD=10%) /17 version only: 2x6mW (+1/-3dB) all other versions: 2x3mW (+1/-3dB) Frequency response (1mW): 100Hz-20

8、kHz within 6dB S/N ratio (unwght): 80dB (81dB typ.) S/N ratio (A-wght): 82dB (84dB typ.) THD+N (1kHz, 1mW): 1% (0.2% typ.) Channel crosstalk (1kHz, no load): -24dB (-44dB typ.) Channel unbalance (-40dB): 5dB Volume attenuation (1kHz): 60dB Laser Output power: 800 mVpp TB=0.5s 1 during focus search T

9、B=0.1s 9 12 10 11 3V 0 servo in or disc motor cw not moving servo out or disc motor ccw servo out or disc motor cw not moving servo in or disc motor ccw 16 14 13 15 1 14 16 15 13 9 11 1012 BLOCKDIAGRAM 4-14-1 CS 46 651 VOLTAGE DOUBLER VR REFERENCE DC/DC UP/DOWN CONVERTER SQUARE WAVE GEN. R80 R73 R72

10、 R71 R42 R41 R40 AIN2 AIN1 AIN0 R63 R62 R61 SEG15 SEG14 SEG13 SEG12 R60 AIN3 R43 4-BIT CPU ROM RAM ADC INPUT I/O PORT I/O PORT SERIELL INTERFACE SLOW CLOCK I/O PORT I/O PORT PORT OUTPUT LCD - DRIVER ZIN INT1 T1 R82 R83 SI SO SCK R90 R91 R92 KE0 HOLD PULSE XINS XOUTS INT2 T2 R81 7891011121314 A B C D

11、 E F G HH 1250 A7 1251 A8 1403 A2 1418 F1 12345678 23456 1430 G4 1950 H14 1951 E14 2251 B9 2252 A10 2253 C10 2254 A10 2255 A11 2256 B12 2257 A13 2258 A13 2259 A13 2260 B12 2265 A6 2268 C14 2269 B11 2400 B4 A B C D E F G 2953 D10 2954 D11 2957 E13 2958 H13 2960 F14 2961 H13 2962 E13 2964 H10 2965 H10

12、 2966 F10 2967 E9 91011121314 1 3251 B7 3253 C7 3254 A9 3256 B7 3257 A8 3258 C9 3259 B9 3261 B9 3262 B10 3263 B10 3264 A10 3265 B12 3266 B14 3267 C14 3268 C13 3269 G1 3270 G1 3271 G1 3273 G2 3280 B11 2401 D2 2402 C2 2405 F2 2406 F2 2950 G8 2951 F10 2952 D10 3407 A5 3408 A6 3409 A6 3410 F4 3411 G4 34

13、12 F1 3413 F1 3414 A3 3416 F4 3431 E2 3432 D2 2970 F14 2971 G14 2973 F11 2974 G11 2975 H11 2976 F11 3250 A8 3967 F10 3968 F10 3969 G10 3970 E10 5250 A12 5251 A13 5400 C1 6251 A9 6252 A10 6253 A12 6254 B14 6256 A7 6257 B7 6950 D9 6951 C10 7250-A B10 3290 C7 3400 C2 3401 D2 3403 A2 3404 A3 3405 B2 340

14、6 B27254 A9 7255 A11 7256 B12 7257 A12 7400 B2 3953 E10 3954 G9 3955 G9 3956 E8 3961 G10 3962 D9 3966 H10 F252 A7 F254 B11 F255 A14 F256 A14 F259 G2 F400 C2 F402 A2 F403 A37250-B B11 7250-C B11 7250-D D10 7250-E E9 7250-F E8 7252 C8 7253 C9 ESD F404 A3 F405 A3 F406 A6 F407 A5 F408 A6 F950 H14 F951 H

15、14 F952 F14 F953 F14 F954 E14 F955 E10 F956 G11 I250 A8 I251 A8 7950 E11 7956-A G2 7956-B G9 F250 A7 F251 A7 A 1K2 3966 BAS216 6252 47K 3954 3269X 1M TL431ACD 6254 2367 1 4 5 8 470p +A +3 2958 100n 2954 +3 8M46 CSTCC5400 0R 3970 3962 150K 680R 3268 2400 1u 22u 2259 4u7 100K 3405 BAS216 6251 2255 13

16、7 14 12 3409 47K F402 74LV14 7250-F 7956-A 3 2 1 8 4 2402 220n 3412 220K LM2904 2953 100n 47p 2260X 3270 220K% BAS216 6253 22n 2952 100n 2950 3251 100K 6257 BAV70 7250-A 74LV14 1 7 14 2 F255 3257 10K F406 VDD 39 VLC 34 VSS 16 XIN 30 XOUT 31 3956 1M 25 26 27 RESET 32 SEG0 40 SEG1 41 SEG10 6 SEG117 SE

17、G2 42 SEG3 43 SEG4 44 SEG5 1 SEG6 2 SEG7 3 SEG8 4 SEG9 5 12131415 8 9 10 11 R70 171819202122 23 24 TMP47C422 7400 0211 COM1 35 COM2 36 COM3 37 COM4 38 33 P50 28 P51 29 1234 100K 3250 2974 470p 1418ESD-11H130 2258 47u 10u 5251 2K2 3961 F408 74LV14 7250-D 9 7 14 8 BC807-40 3267 47K 1u 2257 7257 74LV14

18、 7250-C 5 7 14 6 2961 100K 3256 +3 470p 3431 100R 470R 3265 10K 3406 470p BAS216 6951 T630mA 1251 SP391 2976 2971 1u F403 F404 F251 A 3969 18K 1250 DC JACK 47K 3408 F954 47p 2401 100n 2265 100n 2251 3254 100K 8K2 3967 3259 10K 3258 10K 7252 BC847BW F955 +3 F400 ESD 2957 470p 1950 1 2 1n5 2966 47K 32

19、90 PH-B F952 11 7 14 10 10K 3953 47K 3955 7250-E 74LV14 SPPB51 1430 +3 470p 2973 1u +3 2252 220K 3413 BSH 105 7256 3 7 14 4 33 34 35 36 4 5 6 7 8 9 7250-B 74LV14 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 7950MPC17A50VM 1 10 11 12 13 14 15 16 17 18 BAV99 6950 2967 47p 100K 3273 3261 220K 2970 1u

20、+3 F256 3414 47K 100R 3432 +3 F252 56K 3411 2951 100n F250 3264 100K I251 3271 270K% I250 2253 47K 10p 24 25 26 3 4 5 6 7 8 9 3403 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 2962 1403 3263 100K 470p 2256 F956 2268X 10n 10n BC857BW 7254 3n3 2965 +3 2960 47u 7255 470p 2975 +3A BC857BW SB140 6256 +3

21、 100n 2406X 3262 3416 220K 3253 100K 47K F405 1K% 3266 F254 BC847BW 2K2 3400 7253 47K 3404 1n5 2964 3407 47K ESD 2405X 100n 3401 100K 1951 PH-B 1 2 3 4 F407 F259 47K 3410 +3 2254 100n F951 5250 10u F950 3968 5K6 F953 5 6 7 8 4 3280 470R 2n2 2269 LM2904 7956-B +3 DBB MODE +3 PREV +A SL FO RA S7 S6 S5

22、 S4 S3 S2 S1 S0 S12 C3 NEXT C2 C1 C0 STOP PLAY S11 S10 S9 S8 HP_ON PROG S0 S10 S11 S2 S3 S4 S5 S6 S7 S8 S9 TRACK- DM INNERSWITCH PLAY_ON STOP FOCUS+ FOCUS- TRACK+ +A +3 +A BEEP SILD +3 SDA SCL +3 HOLD MUTE PORES +A +3 PLAY C0 C1 C2 C3 DBB PREV PLAY_ON S12 MODE PROG NEXT DISPLAY (connected via membra

23、ne assembly) from/to 7807-PART2 LOBAT DETECTION DOORSWITCH to 7350-PART2 to 7350-PART2 to 7807-PART2 from 3813-PART2 from 7807-PART2 from 3809-PART2 from 3811-PART2 to 1800-PART2 to/from VAM2103/08 to VAM2103/08 to 7350-PART2 PART 1 Xponent only forseen (not in use) %.tolerance of component = 1% - S

24、 slide motordisc motor + + M - POWER OFF HP_ON HP_ON POWER OFF 1,2V 1,5V 1,5V 1,5V 2,5V 1,7V 1,7V 1,7V 1,6V 3,1V 3,1V 1,6V 0,2V 2,2V 5V 4,7V8,2V 5,5V 1,4V 1,7V 1,4V 1,4V 0V 0V 0,6V 0V 4,6V 3,1V 3,1V 0,7V 1,2V 3,1V 1,5V 0,2V 1,1V 0,7V 1,4V 1,0V 0,7V 1,6V 0V 0,5V 0,3V 0,7V 3,1V 0V 0V 0V 0,3V 4,7V 0,4V

25、 0V 4,7V 0V 4,5V 0,2V 4,7V 0V 0,6V 11 10 9 1,7V 3,1V 1,7V 2,5V 0V 9,1V 0,4V 0,2V 0,7V 1,2V 1,6V 1,7V 1,7V 3V 0V 3,1V 2,0V 3,1V 1,9V 1,7V 3,1V 1,7V 1,7V 3V 3,1V 2,7V 0,5V 1,7V 1,7V 1,7V 1,7V 1,7V 0,5V 12 1,7V 4,7V 3,1V 2,5V 3,1V 2,5V 3,0V 1,7V 3,1V 3V 2,9V 1,7V 1,7V 0,2V 0,6V 4,7V 1,9V 1V 4,5V 5s 1,8

26、V 3,1V 3,1V 3V 0V 1,7V 4,6V 4,1V 4,7V 3,1V t 3V 5s t 3,1V 0,3V 2,1V EVMV DC voltages measured in PLAY-mode, DBB off Set supplied via mains adaptor 4-24-2 CS 46 652 INTERFACE VERSATILE DEMOD EFM PLL DIG. STAGES OUTPUT CONTROL MOTOR KILL INTERF. LOOPBACK SER. DATA INTERF. VERSAT. INTERFACE SER. DATA B

27、ITSTREAM DAC TIMING INTERFACE MICROCONTROLLER PROCESSOR AUDIO PROCESSING PRE- FUNCTION CONTROL SRAM ADDR INTERF. EBU DET. PEAK CORR. ERROR PROCESSOR SUBCODE END FRONT VREF GEN. ADC 30k 2k 12k 24k 24k ADD A B OUT AOUT B BEEP ALC 1k6 1k6 SW IN TC SW SW SW DET PWC RF IN ADD OUT DBB NFDBB OUT DBB SW BIA

28、S IN BIAS POWER MUTE IN B BEEP GND MUTE IN A ATT ALC ALC IN MIX OUT GND A C B VCC 7353 H13 7370-A H7 7370-B G7 7797 A4 7799 B3 7807 B4 F350 G15 F351 G15 F352 G15 F800 C1 F801 C1 F802 C1 F803 C1 F804 C2 F805 C2 F806 D2 F807 D2 F808 D2 F809 D2 F810 D2 F811 D2 F812 E1 F813 C4 F814 A5 F815 B8 F816 B7381

29、3 A9 3814 A8 3815 F7 3816 A5 3817 C3 3818 C9 3819 B4 3820 C9 3821 C9 3822 C2 3823 D3 3824 D3 3825 D3 3826 E3 3827 E3 3828 E3 3829 D4 3831 C4 3834 C3 3837 C9 3859 E2 5800 F4 7350 F12 7351 H10 7352 I11 3372 G6 3373 I6 3374 G7 3375 H7 3376 H7 3377 I7 3378 G8 3379 H8 3792 A3 3793 A4 3794 A3 3796 A3 3797

30、 B3 3798 C3 3799 C3 3801 F5 3804 B6 3806 F4 3807 B7 3809 A9 3810 A8 3811 A9 3812 A8 2827 F5 2828 F6 2829 C4 2830 F5 2837 E9 2838 B6 2843 E1 2972 G8 3300 F11 3314 G15 3315 G15 3351 I11 3352 H11 3354 I10 3355 H14 3356 H14 3357 G10 3358 H14 3359 G10 3360 G11 3370 G6 3371 H6 2371 H6 2372 H7 2373 I7 2374

31、 G8 2375 H8 2376 G7 2377 H7 2378 H15 2379 I8 2798 A3 2799 B2 2807 B9 2808 B9 2810 B9 2811 B8 2812 C2 2813 E2 2814 E2 2815 F4 2816 E3 2817 E3 2818 E3 2819 E4 2820 E4 2821 E3 2822 C4 2823 B4 2824 B4 2825 F5 2826 C3 12345678910111213 2358 I13 2360 I11 2363 H14 2364 H14 2365 G13 2366 F11 2370 G6 G BIAS

32、5678910 A B C D E F 2357 I13 H I A B C D E F G H I 1350 G15 1800 B1 2350 H11 2351 H11 2352 I11 2353 H13 2354 G11 2355 H13 2356 G11 43 1415 111213141512 3824 10K 3814 2K2 BC857BW 7797 F350 F352 3376 1K8 1n 2373 2843 22u A 1u 2365 +3 H 2823 47p 22n 2824 F807 3379 220R H 1K2 3794 +3 3377 100p 2798 7352

33、 BC847BW 1K8 F812 3819 1K 220p 2820 10K 3357 100n 2815 H 2379 10n 100K 3359 10K 3837 22K 3793 F351 220R 3378 220p 2817 22K 3831 2819 220p 22K 3820 2350 A 22u 2374 A 10u 33n 2837 BC817-40 7353 H H 100p 23772376 100p 2370 1n 10R 3859 F809 2372 1n 100n 2363 1u 2838 100K 3360 H A 2816 220p 2n2 2829 100R

34、 3358 10n 2822 2375 22u 1K 3817 560p 2813 ESD A 22u 2812 3822 10R H 2366 100n A A +3 F808 2364 100n H 2814 3801 22R H H 1n5 33K 3371 +A 6 7 8 9 2u2 2358 1 10 11 12 13 14 15 16 17 18 2 3 4 5 52043 1800 22K 3818 2355 1u F814 H 33R 3834 F815 1K8 3375 A +3 15R 4R7 for /17 3314 15R 4R7 for /17 3315 2352

35、330n H 2R2 3356 3n3 2808 F810 10K 3825 H H 1K 3797 4R7 3815 5 6 7 8 4 2826 22u 1u 2825 TDA1308T 7370-B 4R7 3807 3374 1K8 H H 33K 3372 3810 2K2 F813 3 4 2 5 1 3373 33K 47R 3806 3300 A 3821 22K F800 100n 2811 2807 3n3 H 3811 2K2 A 2K2 3812 2K2 3813 2K2 3799 220n 2357 220p 2818 A 4 10n 2354 7370-A TDA1

36、308T 3 2 1 8 A 3828 10K 2821 220p 220R 3796 2810 3n3 23 16 14 1510 19 18 8 6 7 4 9 20 3 5 7350 TA2120FN 2 12 11 13 17 21 22 1 24 1n 2799 3792 2K2 F811 20 VNEG 21 VPOS 7 VRIN 4 VSSA1 14 VSSA2 33VSSD1 50 VSSD2 58 VSSD3 35WCLI 28 WCLK 47SFSY 42SILD 56 SL 43STATUS 46SUB 25 TEST1 31 TEST2 44TEST3 63 V1 3

37、4V2|V3 61 V4 62 V5 5 VDDA1 17 VDDA2 52 VDDD1P 57 VDDD2C 60 MOTO2 12 R1 13 R2 54 RA 41RAB 45RCK 38RESETn 22 RN 23 RP 48SBSY 40SCL 37SCLI 29 SCLK 39SDA 36SDI SELPLL 24 D2 10 D3 11 D4 27 DATA 51 DOEM 30 EF 55 FO 2 HFIN 1 HFREF 6 IREF 3 ISLICE 32 KILL 64 LDON 18 LN 19 LP 59 MOTO1 SAA7325 7807 53 CFLG 49

38、 CL11|4 26 CL16 16 CRIN 15 CROUT 8 D1 9 1n 2371 F803 7351 BC847BW 5800 CSTCC 8M46 2351 10u BC857BW 7799 10R 3804 1M 3798 A 10n 2378 A 3816 22K H A 1350 1 2 3 4 F816 Headphone Socket 2360 100n 10K 3823 3370 10n 2972 F805 33K F802 F801 2K2 3809 1n5 2827 A 2353 10u 3352 33K H 100K 3354 3351 100K A 33K

39、3829 2830 47u 3355 2R2 F804 2828 1n5 1u 2356 10K 3827 A F806 FOCUS+ FOCUS- TRACK+ 3826 10K MUTE DM PORES SCL SDA SILD INNERSWITCH +3A +3 +3 +3 +3 +3 +3 +3 +3 SL FO RA +3 BEEP HP_ON TRACK- LEFT CHANNEL PART1 from 7952-PART1 from 1951-PART1 RIGHT CHANNEL from 7400-PART1 from/to VAM2103/08 to 7550 from

40、 7400-PART1 from 7400-PART1 from 7350-F PART1 LDON VDD LS GND TRACK+ FOCUS+ LD GND TRACK- VDDL D3 RFE D1 D5 D2 D4 LO FOCUS- PART 2 to 7550-PART1 Xponent only forseen (not in use) %.tolerance of component = 1% 2x10K 3,1V 3,1V 3V 1,5V 2,6V 0,7V 1,8V 0,7V 0,7V 1,5V 13 3,1V 1,5V 2V (L=CDRW-mode) 1 3V 0,

41、9V 1,8V 1,8V 1,5V 3V 14 1,5V 0,6V 0V 0,6V 0,7V 0,7V 1,6V 16 1,5V 3V LDON (H=Laser on) 0,9V 0,2V 0,9V 0,9V 0,9V 0,9V 0,9V 0,9V 2,5V 3,1V 4,7V 0,9V 0,2V 2,2V 1,2V 3V 1,5V 1,7V 3,1V 0,7V HF-GAIN 15 3,1V 1,4V 0,7V 0V 0,7V 2,6V 1,9V 3,1V 3,1V 3V 3,1V 0,9V 0,9V 0,9V 0,9V 0,9V 0,6V 0V 0,6V 0V 0V 1,2V 0V 0V

42、 0,9V 0,9V 1,2V 3,1V 0,9V 3V 0 -3V 2,5V 0 -2,5V eye-pattern signal 800 mVpp TB=0.5s 1 during focus search TB=0.1s 9 12 10 11 3V 0 servo in or disc motor cw not moving servo out or disc motor ccw servo out or disc motor cw not moving servo in or disc motor ccw 16 14 13 15 EVMV DC voltages measured in

43、 PLAY-mode, DBB off Set supplied via mains adaptor 4-34-3 CS 46 653 1250 D7 1251 C7 1350 G1 1418 F1 1430 C2 1800 E2 1950 B7 1951 F4 2350 G3 2351 G2 2353 G3 2356 H4 2358 G3 2374 F3 2375 F3 2812 E2 2826 E3 2843 F2 2960 G2 3300 H2 5250 C6 6256 E7 This assembly drawing shows a summary of all possible ve

44、rsions. For components used in specific versions see circuit diagram or partslist. COMPONENTSIDE VIEW 4-44-4 CS 46 654 1403 B4 2251 D3 2252 A2 2253 D2 2254 A2 2255 B2 2256 D2 2257 C1 2258 C1 2259 D1 2260 D2 2265 E1 2268 E1 2269 C2 2352 H5 2354 F3 2355 G4 2357 G6 2360 H5 2363 G6 2364 G5 2365 G4 2366

45、H5 2370 B5 2371 B6 2372 C6 2373 B6 2376 C5 2377 B6 2378 G7 2379 F5 2400 D3 2401 D3 2402 D3 2405 C2 2406 C2 2798 D7 2799 D7 2807 E5 2808 E5 2810 E5 2811 D4 2813 E6 2814 D6 2815 C6 2816 D5 2817 D5 2818 D5 2819 D6 2820 D6 2821 D6 2822 D5 2823 E5 2824 E5 2825 C6 2827 C6 2828 C5 2829 D6 2830 C6 2837 C2 2

46、838 D4 2950 F2 2951 E5 2952 E2 2953 E2 2954 E2 2957 E6 2958 F7 2961 F7 2962 E6 2964 E6 2965 F7 2966 E5 2967 E2 2970 F7 2971 F6 2972 F5 2973 G6 2974 G7 2975 G7 2976 G6 3250 A3 3251 A3 3253 B2 3254 B2 3256 B3 3257 B2 3258 D3 3259 E3 3261 E3 3262 D3 3263 D2 3264 A2 3265 C2 3266 E1 3267 E1 3268 E2 3269 E3 3270 E3 3271 E2 3273 F2 3280 D2 3290 B2 3314 G6 3315 G7 3351 H5 3354