SAMSUNG max800 Blok Diagram

Samsung Electronics

9-1

BIC1

TDA7439

JIC1

TAPE-EQ
KA22291

IIC1 LA1836

IF+MPX

UIC1

LC866232-XXXX

AIC1

TDA7265

HIC1 LC72131

PLL

9.Block Diagrams

9-1 Main

9-2

Samsung Electronics

9-2 CD

Block Diagrams

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

LB1641/BA6209

UP/DOWM S/W

ROULETTE SENSOR

UP/DOWN

ROULETTE

MOTOR

MOTOR

SIC1,2,3

KA9258

NIC 9258

KS9286

NIC9286

NIC9223

KB9223

SUB PCB

9

Samsung Electronics

9-3

TDA7265 : AIC1

9-3-1 Main

9-3 IC & TR Internal Diagrams

Block Diagrams

9-4

Samsung Electronics

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

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

LA1836 : MIC1

KA22291 : JIC1

Block Diagrams

Samsung Electronics 9-5

Block Diagrams

L-N1

L-N2

L-N3

L-N4

R-N1

R-N2

R-N3

R-N4

11

12

13

14

10

9

8

7

100K

100K

100K

100K

100K

100K

100K

100K

G

G

0/30dB

2dB STEP

INPUT MULTIPLEXER

GAIN

MUXOUTL

15 16

27

26 25 23 24

TREBLE(L)

MOUT(L)

BN(L)

BOUT(L)

UN(L)

RR

MUXOUTR

TREBLE(R)

MOUT(R)

BN(R)

BOUT(R)

CREF

UN(R)

RR

17 18 20 19 20 21

22

2

4

3

5

30

1

29

6

AGND

R OUT

L OUT

DIGGND

SDA

SCL

SPKR ATT

LEFT

I CBUS DECDER + LATCHES

2

VOLUME TREBLE MIDDLE BASS

SPKR ATT

RIGHT

Verf

V3

VOLUME TREBLE MIDDLE BASS

32131230329428527626725824923102211211220131914181517

16

C L K

L P F A / D

L O G I C

SFB SW

MODE SEL

SU EC

SU EC

MODE SEL

PHASE
SEL

V O L

16kSRAM

L P F

D / A

6

1/2Vcc

MICMIX SW

DMIX SW

ON OFF

1 2

Vcc

VOL SEL

PHASE SEL

TDA7439 : BIC1

LV1015: DPIC4