SAMSUNG Mm-26 Blok Diagram

Samsung Electronics 9-1

IIC1

HIC1

QIC1

PIC1

JIC1

SIC2

SIC1

UIC1

AIC2

AIC1

AIC2

AIC1

RIC1

9. Block Diagrams

9-1 Main

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

40

44

48

46

68.69 P/U IN

LIMIT S/W

OPEN/CLOSE MOTOR

2

10

DM- DM+

MOTOR DRIVER

OPEN/CLOSE S/W

8

70.71

74.75

76.77

32.38

11.12.13

25.31

33

27.28.29

30

60

69

52.53 57.56

63

61.62

NVR1704

TE GAIN

NVR1703

FE GAIN

NVR1701

FE-BIAS

NVR1702

EF BAL

MOTOR CONTROL

S/W SENSOR

FOK

MAIN PCB MAIN PCB

MICOM CTRL LINE

POWER / AUDIO LINE

10

1

11

2 19

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+

LD ON

RESET

LOCK.SMEF.WDCH.SMON.SMSD

SL IN

SP IN

TE IN

EF IN

VREF

SL-

SL+

MOTOR/ACTUATOR DRIVER

KA9258

6

NIC 9258

ASSP

KA9220

NIC 9220

NCW103/SCW2

NCW101/SCW1/SCW3

KA9270

NIC9270

KS9282

NIC9282

SIC1,SIC2,SIC3

DIGITAL SIGNAL PROCESSOR

16.9344MHz

65.69

8

EFM.TRCNT

LB1641/BA6209

NCW104

9-2 CD

9-2 Samsung Electronics

Block Diagrams

9-3 IC & TR Internal Diagrams

9-3-1 Main

LA1836 : IIC1

LM1876 : AIC1

Samsung Electronics 9-3

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

29 29 28 27 26 25 24 23 22 21 20 19 18 17 16

ALC

DUFF

AM

OSC

AM

MIX

AM

RF AMF

AGC

AM

DET

AM

IF

SMFT

LEVEL

DET

FM

IF

FM

DET

REG GND

TUNING

DRIVE

S-CURVE

AM/FM

IF

BUFF

COMP

VCC

AM/FM

SW

VCC

PHASE DET

PILOT

DET

FF FF FF

STEREO

DRIVE

TRIG MUTE

STERO

SW

DECODER

PM

AM

2k

2k

800 150 0.68

VEE

OUTPUT

0.68150

10k

10pF

-IN

+IN

GND

MUTE

2k

1.1k

4.7k 4.7k 1.1k

V+

10k

STDEY

20k

20k

Block Diagrams

9-4 Samsung Electronics

Block Diagrams

23 22 21 8 20 19 18 15

24

16
17

9

1

2 3 4 5 7 6 10

11

12

13

14

PB
NF(2)

PR IN(2)

R/PSWMUTE

SW

MUTE
(IN2)

ALC RECOUT(2)

100K

PRE

RECORD

LREF

PLAYBACK

LREF

PRE

NF

100K

INPUT

PB.BIAS

REC.BIAS

INPUT

N.F

MODE CONTROL

/BIAS CIRCUIT

PU

NF(1)

PB IN(1) A/BSWPB GND MUTE

IN(1)

REC

OUT(1)

PB OUT(1)

REC GND

Vcc

Vcc

PBOUT(2)

100K

PRE

INPUT

N.F

ALC
DET

PRE

N.F

INPUT

REC NF(2)
REC IN(2)

REC IN(1)
REC IN(1)

100K

ALC TIME CONSTANT

R/P SW

A-IN

B-IN

A/B SELECT S/W

A-IN

B-IN

VCC

ST.BY

Vref

MODE

PRE GND

GND

µ-COM 5.6V

250 mA

CDP 10V

600mA

MOTOR

13.3V

MAIN

SIGNAL 12V

0.8A

6

10

9

11

12

Selector

3

5

1

2

8

KA22291 : JIC1

BA3950 : RIC1