Philips AX7201 Service Manual Download

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4-2

GAIN

OFTR

NFRDET

BDO

AGC

BAND

GAP

3TENV

SLEDGE

TRACK

FOCUS

ADC

PLL VCO

DSL

INPUT

SERVO PROCESSING

4X OVERSAMP.

LPF L PWM

DIGITAL FILTER

SOFT MUTING

DIGITAL ATTENUATION

FSEL

PWMSEL

SMCK

IPFLAG

ANTISHOCK MEMORY CONTROLLER

TIMING

GENERATOR

EFM DEMOD

SYNC

SUBCODE

INTERPOLATION

INTERFACE

CIRC ERROR CORR.

DE INTERLEAVE

16K-SRAM

DIGITAL

AUDIO

INTERFACE

LPF R PWM

1-BIT DAC

OUTPUT-PORT

PWM-OUTPUT

GND

DRAM 16 MBit

VCC

I/01

I/02

RAS

A10

VCC

GND

I/04

I/03

CAS

GND

DRAM 16 MBit

VCC

I/01

I/02

RAS

A10

VCC

GND

I/04

I/03

CAS

FROM/TO CONTROL PART

BLM11A601

only for provision

4815 E9
5800 E2
5801 G8
5802 G1
5803 G2

6800 A11

7804 G4

7805-A E4
7805-B E4
7807 G7
7808-A H7
7808-B H9
7809 F1

7810 D1
7811 E5

3845 H7

3846 H8
3847 H9
3848 H6
3849 F9
3850 A11

POWER SAVE MODE CONTROL

3855 F5
3856 H8
3857 E6

4801 A12
4807 C6
4808 C6
4810 D2
4812 A12
4813 E2

4814 C11

3820 E3
3821 E5
3822 E3
3823 F6
3824 E7

3825 F9

7800 C13
7801 D2
7802 A11
7803 E13

BLM11A601

3830 F8

3833 G4
3834 F4
3836 G2
3837 G4
3838 E6
3839 B4

3840 A4
3841 A3
3842 E5
3843 F5
3844 G7

3804 B4
3805 B2
3806 B2

3807 B5
3808 B4
3809 B4

3851 H7

3852 E1
3853 E1
3854 F1

2838 F8

(1=PLAY,0=SKIP/SEARCH)

3814 C15
3815 E3
3816 F5
3817 C11
3818 E3

3819 B1

2848 B3
2849 A2
2850 D3
2851 G8
2852 F6

2853 F7

3826 E15
3827 F8
3828 F8
3829 F7

2819 D4

2858 B2

2859 B2
2860 F6
2861 E4
2862 F1
3201 D1
3800 A2

3801 A2
3802 A2
3803 A4

2807 B11
2808 B5
2809 B5

2810 C2
2811 C6
2812 C13

3810 B1
3811 B2
3812 B2

3813 B5

HF-equalization vs speed
1x

→

RFEQ=H, 3XEQ=H

→

RFEQ=L, 3XEQ=H

→

RFEQ=L, 3XEQ=L

2837 F15

2839 F8
2840 F8

2841 F8
2842 F9
2843 G4
2844 G1
2845 H2
2846 G4

2847 B4

2854 E6
2855 G1
2856 E1
2857 D3

2818 D4

2803 B4

BLM11P300SPT

UP 7402 / PIN62

2804 B4
2805 B5
2806 B5

2813 C15
2814 C15
2815 D11

2816 E3
2817 D3

FROM CONTROL PART

only for provision

2802 B6

FROM/TO CONTROL PART

2823 E2
2824 E3
2825 E3
2826 E5
2827 E7

2828 E3

2836 F15

1800 C1
1801 B12
2800 A10
2801 A2

2820 D4
2821 D5

2822 D5

2829 E3
2831 F10
2832 F7
2833 F9
2834 F9

2835 F13

4810

2850

10p

2817

22n

470K

3855

7811

BC847BW

2848

680p

22n

2806

4801

2814

1u0

2813

10n

2810

10n

2n2

2842

7807

BC807-25W(COL)

2826

270p

3819

22R

TBAL

TEN

TEOUT

VCC
3

VREF

NRFDET

OFTR

RFIN
6

RFN
4

RFOUT
5

SLPSW

FBAL

FEN

FEOUT

GCTL

GND

LDRCTL

BDO

CAGC
8

CBDO

CEA

COFTR

AN8399SA

7801

3TOUT

ARF
9

3802

1K2

1u0

2837

2828

33p

2861

3809

47K

3808

27K

2M2

3842

2845

33n

3843

10K

680R

3821

1K0

3804

2800

100n

BC857BW

7810

10K

3840

2811

100n

3837

18K

2846

100n

270R

3825

3850

10R

2816

220n

TRP

TRVM

TRVP

VCOF

SPPOL

STAT

SUBC

TBAL

TMOD1

TMOD2

TRM

OUTR

PLLF

PMCK

PWMSEL

RFENV

SBCK

SMCK

SPOUT

NCLDCK

NRAS

NRFDET

NRST

NTEST

NWE

OFT

OUTL

IPFLAG

IREF

LDON

MCLK

MDATA

MLD

NCAS0

NCAS1

FBAL

FLAG

FOM

FOP

FSEL

IOVDD1

IOVDD2

DVDD1

DVDD2

DVSS1

DVSS2

EXT0

EXT1

EXT2

DMUTE

DRF

DRVDD

DSLF

ADPVCC

ARF

AVDD1

AVDD2

AVSS1

AVSS2

BDO

BLKCK

MN662786SB

MN662786SB

DIG. SERVO,

CD-DECODER &

DRAM CONTROLLER

AN8399SA

HF-PREAMP.

LASER CONTROL

7802

10n

2822

18 17

FLZ

1800

FROM/TO

CD-DRIVE

KSM1000

(see Control Part)

3834

33K

7809

BC847BW

47p

2859

4813

3836

33K

2821

10n

22K

3816

3827

270R

2804

330p

10K

3844

10K

3845

680p

2849

5800

47u

6.3V

7808-A

BC847BS

2834

3810

100R

3839

2K2

5802

GND

5801

BLM11A601

NC2

NC3

NC4

PCK

PDVIN

FLOCK

RG1

VCC

LASER DRIVER

FB V-I AMP

RG2

DUTYADJ

LDOFF

LDIOUT

LDISET

MUTE

NC1

7804

SM8613A

LOGIC CONTROL

DUTY ADJ

3857

2827

100n

2R2

6.3V

2856

47u

3820

2K2

2832

470n

2841

2n2

10R

3826

2803

470p

100n

2831

2818

10n

10K

3853

2858

47p

2838

100u

100K

3846

4814

100K

3856

10n

2812

2801

22u 6.3V

2823

100n

2853

22n

33K

3848

3838

56K

3815

22K

2860

8K2

3812

3201

4R7

3851

220K

100n

2802

2840

470n

1K2

3811

1K2

3806

15R

3849

3852

3K3

2835

10n

2844

22u

.3V

100K

100n

2843

3824

3829

150R

1K2

3805

2824

47n

470R

3822

5K6

3833

7800

DRAM_16/4 BIT

2825

47u

6.3V

2829

68p

DRAM_16/4 BIT

7803

3830

2R2

2807

100n

1K0

6800

BAS316

3803

4807

8K2

3800

2809

22n

18K

3813

100n

2852

3818

2K2

2820

3n3

3p3

2857

4n7

2819

100n

2851

4815

3817

10K

3841

10K

2862

330p

5803

2808

22u

6.3V

2855

1n0

4812

3828

2K2

BC847BS

7808-B

10n

2836

3814

10R

3854

10K

3801

2833

47n

10R

47K

3807

1801

CSTCV

16M93

2839

10n

3823

68K

2854

15p

7805-A
BC847BS

4808

2847

4n7

BC847BS

7805-B

2805

10n

33K

3847

SLD+

SPout

ADPVcc

2815

10n

T-

T+

F+

CHG_PWM

LD_PULSE

+2.6V

FO-

FO+

TR-

TR+

SLD-

+3.0V

+2.6V

VREF

GCTL

FROM CONTROL PART

VREF

+DRIVE
FROM PSM CONTROL

VREF

nPSM

F-

+2.6V

3XEQ

+2.6V

LDRCTL

VREF

RFEQ

+2.6V

GCTL

+3.3V

SLPSW
TO 7801

+2.6V

+DRIVE
TO 3801

+2.6V

+3.3VSW

+2.6V

STAT

+2.6V

+HF

VREF

RIGHT

LEFT

SPbrk

PMCK

BLKCK

MLD

MDATA

MCLK

M_nRST

nCAS2

nWE

nRAS

A10

+1.8V

+2.6V

SLPSW

FROM PSM CONTROL

+2.6V

nCAS0

nWE

nRAS

A10

+1.8V

nCAS2

+2.6V

nCAS0

A10

nRAS

+2.6V

nWE

CD PART

# .... for provision only
% ... tolerance 1%

FROM CONTROL PART

TO POWER PART

DRAM supply
4801

→

3,3V

4812

→

2,6V

6800

→

2,1V

HF-GAIN&APC CONTROL
HIGH Z = 0dB for CDDA
HIGH = +12dB for CDRW
LOW = OFF

T+

T-

PD2

GND

F-

VCC

LD+

GND

PD1

F+

1,4V

1,3V

1,0V

0,3V

2,6V

3,5V

2,9V

0,6V

1,4V

1,3V

2,6V

1,3V

2,6V

1,3V

0,9V

1,8V

0,1V

2,6V

1,3V

1,1V

1,7V

1,3V

1,5V

0,9V

2,6V

1,7V

2,9V

0,4V

1,3V

2,6V

1,6V

2,6V

3,5V

1,3V

0,1V

2,2V

1,8V

2,6V

0,7V

0,8V

0,3V

1,6V

0,6V

DC Voltages measured in
PLAY-mode, set supplied
via mains adapter

EVM

eye-pattern signal

> 800 mVpp

TB=0.5µs

moves outside

not moving

moves inside

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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