SAMSUNG max920, max900 Blok Diagram

Samsung Electronics 4-1

4. Block Diagram

MIC4

TDA7440D

MIC1

TAPE-EQ

KA22291

MIC6 LA1837

IF+MPX

UIC1

LC86P7284

MIC1

TDA7265

MIC7 LC72131

PLL

17 16 13

91

23

9

8

4

3

5
2
22

21

7

28

LCD

VC30V

G

7812

12V

9V

5V

4

4

MIC4

TDA7440D

MIC1

TAPE-EQ

KA22291

MIC6 LA1837

IF+MPX

UIC1

LC86P7284

MIC1

TDA7265

MIC7 LC72131

PLL

17 16 13

91

23

9

8

4

3

5
2
22

21

7

28

VFD

VC30V

G

7812

12V

Pv

5V

4

4

VR

7812

MOTOR

B+

4-1 Main(ONLY MAX900)

4-2 Main(ONLY MAX920)

4-2 Samsung Electronics

4-3 CD Part(COMMON)

SLED

MOTOR

SPINDLE

MOTOR

PICK - UP

TRACKING

ACTUATOR

FOCUSING

ACTUATOR

A.B.C.D.E.F

LD.PD

DISC

SP+

SP-

TRK+ TRK-

FCS-

17

18

11 12 26 27 1

2

+5V

19

10

25 3

43

46

50

48

71P/U IN

LIMIT S/W

OPEN/CLOSE MOTOR

2

10

DM- DM+

MOTOR DRIVER

OPEN/CLOSE S/W

41

69.70

65.66.

67.68

33.30

29.25

22.24.23

31

35.36.37

38

40

MOTOR CONTROL

S/W SENSOR

FOK

MAIN PCB MAIN PCB

MICOM CTRL LINE

POWER / AUDIO LINE

10

1

11

219

19

R

G

L

21

20

36.37.38

68

25.26.30

29

10.70.72

73.75.76

27

MCK. MDATA. MLT

ISTAT

SQDT. LKFS. SOS1

SQCK

A. GND

R-CH

L-CH

GND

B+

RESET

LOCK.SMEF.WDCH.SMON.SMSD

SL IN

SP IN

TE IN

EF IN

VREF

SL-

SL+

MOTOR/ACTUATOR DRIVER

6

ASSP

KB9223

NIC 9223

SCW1

SCW4

SIC1,SIC2,SIC3

DIGITAL SIGNAL PROCESSOR

16.9344MHz

66.69

8

EFM.TRCNT

UP/DOWM S/W

ROULETTE SENSOR

UP/DOWN

ROULETTE

MOTOR
MOTOR

SIC1,2

KA9258

NIC 9258

KS9286

NIC9286

NIC9223

KB9223

9

KA3082