SAMSUNG SC-7400 Schematic Diagram

ANT101

TNR101

KST-F102VD-1

IC101

LA1140

IC103

LA3370

IC502

KIA9256P

IC301

KIA2025

R103

27K

R101

R102

100

R104

4.7K

R106

330

R105

330

R119

330

R120 22K

R121 22K

R122

10K

R125 47K

R126

10K

R109

56K

R118

R933

R127

R128 10K

R129 3.3K

R124

22K

R123 27K

R704 330

R928

220

R929

220

R930

220

R931

220

R932

100

R426

330

R427

1/2W2R2

R146

R147 3.3K

R149

R153 3.3K

R152 1K

R155

15K

R148

4.7K

R154 4.7K

R526

8.2K

R524

8.2K

R150

47K

R934

270

R156

47K

R108

56K

R107

2.2K

R111

R201 22K

R203

2.2K

R202 22K

R504 47K

R505 47K

R208

1.5K

R206

2.2M

R207

4.7K

R607

22K

R608

22K

R211

47K

R212 3.3K

R210 4.7K

R114

4.7K

R522 2.7K

R503 47K

R116

22K

R214 22K

R117

R510

10K

R225 10K

R221

4.7

R509

470

R702 47K

R508

4.7K

R405 5.6K

R907

4.7K

R906

4.7K

R927

220

R926

220

R534 4.7K

R414 10

R415

330

R416

330

R418

5.6K

R417

5.6K

R408

1.2K

R409

1.2K

R411 680K R410 680K

R406 5.6K

R925

27K

R924

15K

R923

8.2K

R413 100

R922

5.6K

R921

3.9K

R920

2.7K

R919

2.2K

R918

1.5K

R917

1.2K

R916

820

R915

680

R914 470

R701

47K

R421 2.2K

R420 6.8K

R423 4.7K

R424

1/4W1K

R502

100

R913 390

R530 4.7K

R404 150K

R401 56K

R912 330

R403 150K

R911

220

R529

4.7K

R517

4.7K

R910

220

R909

220

R901

39K

R301

33K

R902 47K

R302

33K

R321 1K

R325 47K

R324 47K

R903 47K R904 47K R905 47K

R316

150K

R317

8.2K

R314

47K

R315 47K

R313

10K

R309

18K

R306

330K

R310

12K

R308 330K

R312

12K

R311

18K

R305

R606

22K

R605

22K

R506 47K

R307

R514 47K

R162

47K

R304

33K

R518

2.2

R601

2.2K

R303

33K

R602

2.2K

R603

2.2K

R604

2.2K

R705 1/4W1

R407 1K

R322

R112 470

R609 10K

R113 4.7K

R532 1M

R323 1K

R610 10K

R513

10K

R512

10K

R511

10K

R319

R516 47K

R501 100K

R158

10K

R707 680

R433 10K R432 10K

R163 2.7K

R151 5.6K

R515 47K

R525

8.2K

R533 1M

R320

R318

R706 680

R428 1K

R519 220

R528

4.7K

R430

680K

R527

4.7K

R531 1M

R535 10K

R520

47K

R521

47K

R523

8.2K

R703

R422 4.7K

R159

10K

CF101

10.7MJ

CF102

10.7MJ

C120

1/50

C115 10/16

C117

100/10

C122 1/50

C422

470/16

C133

47/10

C134

10/16

C138 1/50

C137

3.3/50

C139

1/50

C107

2.2/50

C211

100/16

C140

100/16

C411 4.7/50

C418 4.7/50

C410 4.7/50

C419 4.7/50

C407

220/10

C406

220/16

C405

100/16

C506

100/16

C313

1/50

C314

0.47/50

C310

4.7/50

C311

4.7/50

C616

1/50

C617

47/10

C305

47/16

C306

47/16

C307

1/50

C609 47/10

C611

2200/16

C504 4.7/50

C610 0.1/50

C501

0.22/50

C615 1000/16

C105

1/50

C101

104

C103

223

C113

223

C112 223

C114 223

C116 100p

C701

104

C132 104

C141 223

C135

183

C142 183

C143 M102

C303

102

C106

15p

C420 104

C108 M223

C201 103

C203

102

C205 223

C206

103

C502 473

C421 104

C121

33p

C408 102

C409 102

C412

104

C413

104

C417

104

C416

104

C415

104

C414

104

C401

104

C424

104

C423

104

C503

56p

C302 102

C301 102

C312 333

C315

472

C308

153

C902

102

C309

153

C509

223

C304 102

C605

102

C606

102

C607

102

C608

102

C604

104

C603 104

C602

104

C109 103

C612 104

C510

223

C507

56p

C202

104

C601

104

C102

102

C118

104

C403

104

C508 223

C209 223

C144

472

C136

472

C901

473

C110

103

C207 103

Q103

C3199Y

Q101

C3192-0

Q104

C3199Y

Q408

D2058

Q105

C3199Y

Q402

C3199Y

Q401

C3199Y

Q407

C3199Y

Q405

C3199Y

Q501

C3199Y

Q701

C3199Y

Q502

C3199Y

Q504

C3199Y

Q409

C3199Y

D201

1N4148

D103

1N4148

D101

1N4148

D516

1N4148

CH602

EI-24mm

IC302

LA2000

SV101

100KB

SV102

20KB

SV103

10KB

19K-ADJ

D701

1N4001

D104

1N4148

D105 1N4148

D106

1N4148

D107 1N4148

D203 1N4148

D202 1N4148

D510

1N4148

D509

1N4148

D508

1N4148

D506

1N4148

D505

1N4148

D504

1N4148

D401

1N4148

D403 1N4148

D601 1N5401

D507

1N4148

D502

1N4148

D503

1N4148

SW919

SW918

SW917 SW916 SW915 SW914 SW913

SW912SW911SW910SW909

SW905SW906SW907SW908

SW904SW903SW902SW901

LD501

ZD404

ZD10VB

ZD401 ZD5.1V

ZD301

B3.3V

ZD501

ZD6.2B

ZD502 B4.7V

1234567891011121314

1516171819202122232425262728

IC401

PT2313L

Q702

A1273Y

Q503

A1267Y

Q404

A1273Y

Q406

B1366Y

Q301

C103

IC303

FAN8082

IC501

7031

F101 K161

F201 K161

Q302

C103

Q506

A105M

Q202

A105M

TNR201

YC-AM001

L201

2.2uH

910111212345678

CN501

910111212345678

9101112 12345678

CN601WAFER6012-12p

9101112 12345678

CON601

14-5-0011120

TC501

60p

LD913

LD914LD915

LD912 LD911

LD910 LD909

LD908 LD907

LD906 LD905 LD904

LD903 LD902 LD901

LCD901

IS09080E00V3

IC601

TDA7381

Q201

A105M

Q505

A105M

XT501

4.5MHz

FU603

10A

IC901

LC75883E

IF101

FM35

IC503

YC7400

2001. 09. 18.

SC-7400/7400B

FILTER BOX

SEWOON

SCHEMATIC DIAGRAM

DWG. NO

MODEL NO

NAME

YOUNG CHAMP

DATE

APPROVEDCHECKEDDESIGNDRAWN

REW-L REW-R FOR-R FOR-L

GND

MODE3

MODE1

MODE2

PFC

FRP

PDA

RRP

L/ML/M+

M/M+

M/M-

SEG1

SEG19

SEG1 COM1 COM2 COM3 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8

SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15

SEG16

SEG17

SEG18

SEG19

SEG20

SEG21

SEG22

SEG23

SEG24

SEG25

SEG26

SEG27

SEG28

SEG29

SEG30

SEG31

SEG32

SEG33

SEG34

39 38 37 36 35 34 33 32

DATA

CLK

INH-

OSC

VSS

VLCD2

VLCD1

VLCD

VDD

COM3

COM2

COM1

SEG35

SEG34

SEG33

SEG32

SEG31

SEG30

SEG29

SEG28

SEG27

SEG26

SEG25

SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13

SEG12

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

LW B+

LPF

AM IFIN

FM IFIN

GND

FM OSC

AM OSC

VDD AM B+

FM B+ INCNT

DATA

CLOCK

PERI

NC XT

RADIO-L

RADIO-R

CDC-R

TAPE-R

CDC-L TAPE-L

GND

TAMODE3

TAMODE2

TAMODE1

MS-SENS

R-SENS2

R-SENS1

TALOAD

TAUNLOAD

F/R

MOTOR+

ON-B+

TAPE-L

TAPE-R

EQ+

GND

8765

4321

FRTCLK

FINH FRTCE FRTDO KEY-B

KEY-A

AVDD

GND GND

AVREF

AVDD

NC MSSENS EVDATA

EVCLK

CDON

GND1 RSENS2 RSENS1

LOAD

UNLOAD

F/R

MOTOR

POWER

VDD0

GND0

RESET

MU/LED

CDCDO

FRTCLK

PDATA

VDD1

PCLK

FINH

ACCIN

CDCDI

FRTCE

PERI

FRTDO

A-GND

LE-IN

SD-IN

KEY-B

KEY-A

TMODE1

TMODE2

TMODE3

ST-IN

31 30 29 28 27 26 25 24 23 22 21 20

22 4

SCL

SDA

DIG GND

OUT LF

OUT RF

OUT LR

OUT RR

B OUT R

B IN R

B OUT L

B IN L

OUT L

IN L

LOUD L

LOUD R

OUT R

IN R

TREBLE RTREBLE R

TREBLE LTREBLE L

GND

VDD

CREF

GND

ON B+

OSC CON

RIP FIL

19K ADJ

P DETECTP DETECT

ST IND GND

SNC HCC

R OUT L OUT

HC CONST SEP-ADJ

INPUT VCC

AGC S-METER

M-DRIVE Vref

VCC QUAD IN

GND IF OUT

AF OUT AFC

MUTE IN M-ATT-AD

GND

IF IN

GND

AM ANT

LOC

AM OSC

IF OUT

OUT

AM VDD

GND

FM ANT

AGC

FM VDD

FM VT

IF OUT

FM OSC

20 6

10 16 1

161412108642

15131197531

16141210864

151311975321

36 35 34 33 32 31 30 29 28 27 26 25

24 23 22 21 20 19 18 17 16 15 14 13

121110987654321

16 15 14 13 12 11 10 9

87654321

5321

874

16 15 14 13 12 11 10 9

87654321

44 43 42 41 40 39 38 37 36 35 34

3332313029282726252423

11 10 987654321

ACC B+

AUTO ANT

BACK UP

GND

LF+

LF-

LR-

LR+

RF+

RF-

RR-

RR+

LOUD

MUTE

EJECT FUNC M6 M5 M4

M3M2M1AS/PS/AMS

BAND/DIR/PLAY T-DN/REW T-UP/FF SEL

V-DNDISPLAYV-UPPOWER

FRONT ASSíY

MAIN ASSíY

DECK ASSíY

DISFADER

ENAUX

FMONLY

ENCLK

OPTION

W/OUT OIRT

Samsung Electronics 8-1

7. Schematic Diagram