Kenwood CT-401, Service Manual

T

K

M

O

Q

S

L

N

P

R

5

6

8

4

7

R151

10K

R153

100K

R157

47K

C195 100P

R155 56K

C149

220P

1K

R159

1u50

+

C153

2.2u50

+

C147

10K

R145

5.6K

R217

100u16

+

C151

R161

5.6K

R167

R163 18K

C155 1800P

100u25

C152

+

R165

100

2.2u50

C148

R218

5.6K

R146

10K

100K

R154

10K

R152

R158

47K

R164 18K

C156 1800P

220P

C150

C196 100P

R156 56K

3

2

1

C154

+

1u50

R162

5.6K

R160

1K

R166

100

+

5

4

3

2

1

L IN

R IN

GND

5

4

3

2

1

56K

R169

56K

R170

39K

R179

39K

R180

5.6K

R184

5.6K

R183

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

METER

B-CRO2

A-CR02

0

MODE-SW

K3

K2

K1

VDD

CF-6.0-MHZ

CF-6.0-MHZ

VSS

VDD

RESET

EE-PROM-SCL

EE-PROM-SDA

2099-DE

2099-LCK

2099-CLK

SI

2099-DO

B-REC-REV-SW

B-REC-FWD-SW

B-MODE-SW

B-HALF-SW

B-RELL

A-MODE SW

HALF-SW

A-REEL

SOL-A

SOL-B

VSS

VDD

MECHA-VCC

REC

REC-MUTE

A/B

DUBBING

BIAS

INPUT

-MUT

LINE-MUT

AC-CHK

VSS

VSS

SYS-DATA

SYS-BUSY

DOLBY-NR-OUT

METER-GAIN

REC/PB

PB-EQ/NORMAL

REC-EQ-TAPE1

REC-EQ-TAPE2

SYS-DO

LED-A-FWD

LED-A-REV

LED-B-REV

0

15

10

13

14

11

8

9

6

59

58

57

62

63

45

44

43

39

40

41

36

38

37

33

34

35

22

21

28

27

26

25

47K

R393

0.022

C308

10K

R341

220K

R384

2.2u50

C307

+

10K

R342

1

2

3

4

7

8

6

5

2.2u50

C339

+

R344 10K

R343 10K

R345 10K

10K

R346

J347

22K

R347

6.0MHz

CF301

100K

C302

0.022

C301

C303

220P

R306

220P

0.01

C304

0.01

C305

R305

100K

330

R302

330

R301

R303 100K

R304 100K

5

12

5

12

31

32

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

B-REC REV

B-REC FWD

B-CRO2
B-SOL

B-PHOTO

B-MODE SW
B-HALF

MOT L

MOT H

12V
A-CRO2

GND

A-SOL

A-PHOTO

A-MODE SW

A-HALF

2

1

30

1u50

C309

+

10K

R348

22u25

C31

1

+

IN

GND

OUT

R350 100K

1K

R349

10K

R351

1u50

+

C310

1K

R352

R353 1K

1/4W

R355

22K

C312 0.022

22K

R354

1

2

3

4

5

K1

GND

B+5V

A-FWD

A-REV

1

2

3

4

5

6

7

8

9

B-REV

K3

K2

B+5V

GND

OE

DO

CLK

LCK

57

13

14

59

15

58

43

45

41

44

1

2

1

3

2

0.022

C317

470u16

C315

+

0.022

C314

470u16

C318

0.022

+

C319

C321 0.022

2

1

3

0.022

C322

1000u16

+

1

2

0.022

C325

3

1 1/2W

R378

10u50

C324

+

1000u16

C326

+

C320 470u16

+

56K

R385

33u50

+

R386

100K

0.022

C328

0.022

C332

0.022

C327

0.022

C331

0.47 1/2W

R01

0.47 1/2W

R02

1

2

3

J326

J329

C400

R363

10K

R372

10K

SFR301 2K(B)

R379 3.9K

4.7K

R374

R375

4.7K

R371 4.7K

R370 4.7K

R367 4.7K

R366 4.7K

R365 4.7K

R368 22K

R389 4.7K

R369 22K

40

39

36

63

33

62

37

38

21

22

25

35
34

50K(A)

VR101

VR101

50K(A)

100u16

+

C335

LED

LED

LED

20

19

18

17

VCC

DUBBING

1

2

3

4

GND

CLK

270

R612

100

R633

100P

C603

0.022

C601

10u50

C602

+

RED

100

R634

100

R635

C605

100P

C606

100P

C604

100P

LED

B REV

1

K3

K2

3

2

12K

R628

R627

5.6K

R626

3.3K

R625

2.2K

R624

1.5K

R631

3.3K

R630

2.2K

1.5K

R629

5.6K

R623

3.3K

R622

2.2K

R621

1.5K

R620

2

3

2

3

200

R615

GREEN

5

K1

GND

LED

LED

A

 FWD

+5V

1

2

4

3

A

 REV

GREEN

R614

200

GREEN

200

R613

2

1

2.2K

R362

R361

10K

22u25

C333

+

2.2K

R364

2.2K

R373

7

6

8

L-REC-LEVEL

R-REC-LEVEL

+21.6V

4700u35

C329

+

+21.6V

+5V

+5V

+5V

+12V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+12V

+12V

+5V

+5V

+12V

+12V

+5V

+12V

+12V

+12V

+12V

+12V

+12V

+5V

+5V

K1

GND

L OUT

R OUT

R160A

1.5K

R159A

1.5K

OUT

GND

IN

OUT

GND

IN

GND

OUT

IN

57

GND

K1

+12V

+12V

3

2

1

2

1

1

2

1

1

3

2

J327

2

2

C400

1

FC302

1200mAL/250V

FC301

F301

: AC230V~ 50Hz

(T,E)

: AC120V 60Hz

(K,P)

AC110-120V/220-240V~
50/60Hz

1/4W

C323

C316

2

1

2

1

IC302

IC304

IC303

IC305

IC306

IC307

MAIN PCB

FRONT PCB

(1/2)

IC103

Q115

Q117

LINE
MUTING

Q116

(2/2)

IC103

Q118

L

PLAY

JK101

R

L

R

REC

CN104

CN108

Q112

Q111

INPUT
MUTING

u-COM

D327

D324

SYSTEM
CONTROL

D301

D302

D304

D305

JK301

D303

CN607

D310

D315

RESET

Q302

RESET
IC

D318

EEP ROM

CN602

CN601

CN603

+12.0V
AVR

AVR

+12.0V

AVR

+5.0V

D321

D322

D325

D323

D311

D316

D317

CN301

S401

D319

Q308

Q309

+B CONT.
(MECHA)

SOL.B
CONT.

Q310

Q311

D320

SOL.A
CONT.

TAPE SPEED

S402

R-REC
LEVEL

LEVEL

L-REC

D309

D308

LED612

DUBBING

REC

S61

1

S610

B.REW

S609

B.FF

S616

B.ST

OP

S607

B.REV

S605

B.FWD

B.FWD

S608

S606

B.ST

OP

DUBBING

DOLBY

B.P

AUSE

S615

S614

S613

S612

DOLBY

A. REV

A.ST

OP

A.FF

A.REW

A. FWD

S617

S618

KXF-W3030/E/-S

S604

CT-403 ONLY

S602

S600

A.ST

OP

S603

S601

A.FPLA

Y

KXF-W1030

LED615

CN602

LED614

LED613

LED

A-FWD

A-REV

LED

B-REV

LED

CN603

POWER SW

AC SELECT SW

D307

PRE AMP

Q306

Q307

R. MODE

S612

CT-401 ONLY

CT-401 ONLY

KXF-W1030

KXF-W3030/E/-S

CT-403 ONLY

CT-403 ONLY

KXF-W3030/E/-S

KXF-W1030

CT-401 ONLY

KXF-W3030/E/-S

CT-403 ONLY

CN302

CN303

CN401

CN401

POWER SW

S401

CN302

CN303

EXCEPT
(M) TYPE

ONLY

(M) TYPE

CT-403 ONLY

KXF-W3030/E/-S

CN304

CN304

9.7V

9.6V

9.7V

9.7V

9.6V

9.7V

5.1V

5.1V

5.1V

21.6V

12.1V

5.1V

11.3V

3.9V

12.1V

5.1V

0.6V

DUBB:

12.1V

0V

12.0V

12.1V

11.3V

5.1V

4.5V

5.1V

12.0V

5.1V

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

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9

2

8

9

4

2

9

8

T E L

1 3 9 4 2 2 9 6 5 1 3

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299