Kenwood KDC-716S, Service Manual

A

B

C

D

E

F

G

I

H

1

2

3

4

5

6

7

R45

R39

22K

R11

+

R9

C9 100u10

VREF

VIN

R4 2.2K

C2 2200P

R3

C4

10u10

220u16

C6 100u6.3

+

C3

+

C5

22K

R1

100

R2

+

IC3

GND

4.3K

R7

220u10

C8

+

Q9

Q7,8

1.5K

1K

100K

R20

Q15

C1 3300u16

+

Q1,2

220

R5

C21

0.022

24K

15K

R6

R8

1

C7

27

C22

+

1u50

25

1K 1/2W

1K

R38

1/2W

Q24,25

R37 4.7K

3.3u25

C34

R33 4.7K

R34

R36

4

3

SC CON

MC CLK

ILLMUG

ILL+B

MC REQ

D

A

T

A

 I/O

SC REQ

RST

R233

R234

R236

R235

R237

1

2

4

5

3

6

7

470

1K

4.7K

470

1K

REMO

P RST

NC

DGND

VDD

∗

R239

10

8

9

11

12

13

1K

99

65

97

98

64

47K

R231

93

11

R43

5.6K

R47

18K

Q26-29

1/2W

28

29

C39

0.01

1

2

3

4

100K

0.068

C36

+

0.1u50

R40 1K

R42
12K

1000P

C37

+

C35

R41

12K

0.01

C48

14

13

12

R46

C38

47K

0.01

3.3K

1/2W

11

12

5

6

7

10

9

8

1u50

C115

+

R204

R203

47K

0.47u50

C113

+

FR

RR

9

19

2

FL

Q37-40

6.2K

R202

R201

100

FL

RL

1.5K

TH1

10u16

+

360

R161

13

FRA

RRA

FRB

RRB

C120

0.22u50

C118

0.22u50

+

10K

R206

10K

R208

22u16

C114

8

TA

B

GND2

OUT2-

STBY

OUT2+

VCC2

OUT1-

1

2

3

5

6

7

4

IN1

IN2

OUT1+

RIP

GND1

9

10

11

12

C119

0.22u50

0.22u50

C117

RLA

10K

R205

10K

R207

FLA

RLB

FLB

22K

22K

OUT4+

IN4

IN3

A

UX IN

OUT3+

GND3

OUT3-

VCC1

PRE-GND

14

15

16

17

18

19

20

21

CD

MUTE

OUT4-

GND4

22

23

24

25

180

R169

R170

Rch

Rch

Lch

GND

B.

U

.

GND

RRA

FRA

RRB

FRB

RLB

FLA

FLB

RLA

560

∗

R13

10K

R19

1K

Q11

10

REAR Lch-

FR

ONT Lch+

REAR Lch+

FR

ONT Lch-

8

7

9

FR

ONT Rch-

REAR Rch-

FR

ONT Rch+

REAR Rch+

AC

C

PHONE

P-CON

EXT CONT

P-ANT

GND

ILLUM

3
4

2

3

2

6

5

4

13

11

12

14

15

1

16

2

1

C12 0.1

C11 0.1

2

1

3

4

FR

10u16

+

360

R162

Q32,33

180

Rch

Lch

A GND

Lch

GND

5

6

+

+

+

0.47u50

C67

0.47u50

C68

47u6.3

C69

4.7

10

R157

R155

10

R156

2

3

1

0-21

0-11

0-10

MODEL

NAME

UNIT

No.

KDC-V7017

KDC-716S
KDC-8018

1

3

2

∗

R14

F1 10A

MUT

MUT

L1

VDD

GND

22K

W100

0.047F5.5

+

30

0.1

C116

31

31

4.7K

R230

+

360

R163

360

R164

RL

RR

10u16

+

10u16

22K

22K

180

R171

180

R172

1

2

3

4

5

6

7

8

9

10

11

12

13

14

VREF

CREF

L

R

CDR

CDG

CDL

PH-

AFS

AM

MPX

LEVEL

MPIN

MPOUT

28

27

26

25

24

23

22

21

20

19

18

17

16

15

A

COUTL

A

COUTR

OUT FL

OUT FR

OUT RL

OUT RR

VDD

GND

SD

A

SCL

SMUTE

QU

A

L

OUTR

OUTL

2.2u50

+

C63

0.47u50

+

C65

C66

0.47u50

+

4

8

47u10

C61

+

0.01

C62

1K

R158

C72 0.033

C70 0.47

4.7K

R150

10K

R151

C73 0.01

C71 150P

R152

4.7K

C75 0.1

C74 0.1

0.047

C123

0.047

C121

0.047

C122

0.047

C124

20

52

0.047

0.047

C128

C126

0.047

C127

0.047

C125

10K

R200

1K 1/2W

R35

4.7uH

L4

C200

W32

R10

2.2

(L CE)

(L CLK)

(L D

A

T

A

 L)

(L D

A

T

AS)

(NC)

(DIMMER)

1K

R238

17

R240

1K

10

100

21

FL

FR

RL

RR

R165

R166

R168

R167

C93

C94

C95

C96

11

13

79

4.7K

R159

4.7uH

L6

YES

YES

NO

C161

YES

NO
NO

D7

UPD703033GC052

IC1

UPD703033GC053
UPD703033GC053

Q14

YES

NO

NO

NO
NO

YES

R13,

14

NO
NO

YES

R51

YES

NO

YES

R52

NO

S-80837ANNP
S-80837ANNP
S-80837ANNP

R54

IC16

S-80842ANNP
S-80842ANNP
S-80842ANNP

IC16

for Flash u-COM

for Mask u-COM

YES

YES

YES

99,239

R71,83,

NO

NO

YES

YES

NO

R97,

98,101

W6,

7

YES

NO
NO

0.047

∗

C161

SD

A

SCL

GND

ANT CONT

ACC

P. CON

FRONT R

FRONT L

YEL

BLK

1 16

BU

GRN/BLK

WHT/BLK

4 13

ORG/WHT

RED

15

2

BLU/WHT

3 14

ILLUMI

VIOL

VIOL/BLK

BLU

GRY

12

5

GRY/BLK

7

6 11

10

REAR R

GRN

WHT

8

9

REAR L

GND

ACC

P. CON

ANT CONT

FRONT R

FRONT L

GRY

VIOL

ORG/WHT

RED

YEL

16

1

BLK

15

2

ILLUMI

PNK/BLK

BLU/WHT

14

3

BLU

13

4

12

5

CONT

EXT.

BU

GRN/BLK

VIOL/BLK

GRN

10

7

GRY/BLK

11

6

WHT/BLK

WHT

9

8

REAR R

REAR L

AFS

24

R48

22K

R44

22K

26

0.01

2200P

C151

2200P

C152

0.015

C76

C153

0.022

22K

22K

22K

22K

47K

47K

47K

22K

22K

47K

22K

22K

47K

47K

47K

10K

47K

10K

22K

22K

22K

22K

47K

2.2K

47K

47K

4.7K

4.7K

4.7K

4.7K

47K

47K

22K

22K

D3

Q5

SW5V

A8V
A.V.R

Q8

SERVO +B

SW14V

D4

Q13

Q4

D2

D1

B.U.5V

Q2

Q1

Q3

DETECT SW

SMALL LAMP

Q6

Q9

Q7

Q11

Q10

Q15

Q24

P-ANT SW

D11

Q25

D12

D14

Q26

CN6

ILL +B

Q12

PAN 5V

Q51

SW

DETECT

ACC

DETECT
SW

Q29

P-CON SW

B.U.

Q30

CIRCUIT

Q31

MUTE
LOGIC

Q27

Q28

D17

MUTE

AUDIO

PRE MUTE

D36

D35

D34

D33

POWER AMP

D41

D40

D39

D38

Q37

Q38

∗

Q14

EXT.AMP
CON.SW

J1

CN2

CN1

Q32

Q33

MUTE

E-VOL

CN4

(X25-8750-XX)

GND LINE

SIGNAL LINE

∗

D7

D5

CORD

RCA

REAR

FRONT

SP OUT/DC IN

CH-IN

D15

D29

D27

D28

D32

D30

D31

Q39

Q40

D25

D26

Q50

D63

D64

D61

D62

Q35

Q36

E-VOL

D16

IC3

IC8

IC4

(X25-8750-XX)

(E30-4939-05)

KDC-8018

DC CORD

(E30-4940-05)

KDC-V7017/716S

DC CORD

IC2

7.6V

5.0V

7.6V

14.4V

7.6V

0V

7.6V

9.0V

1.4V

0V

1.4V

0V

7.6V

14.4V

7.6V

0V

0V

0V

13.8V

1.25V

0V

7.6V

1.4V

4.1V

7.6V

5.0V

5.0V

0V

4.1V

4.1V

4.1V

4.1V

4.1V

4.1V

5.0V

4.1V

4.2V

4.2V

4.9V

4.1V

4.1V

4.1V

4.1V

8.3V

3.6V

0-5.0V

0V

5.0V

0V

0V

0V

5.0V

0V

5.0V

5.0V

4.1V

0V

B LINE

2SB1184

C

E

B

2SB1548

E

C

B

2SB1277

C E

B

DTA123JK

DTC114YUA

DTC143TUA

DTC143ZK

UN5213

UN5214

2SA1362

2SA1576A

2SB1218A

2SC2412K

2SD1819A

2SD2114K

B

C

E

2SC4081

B

C

E

DTA114EUA

DTA124EUA

DTC124EUA

DTC144EUA

IN

GND

OUT

UN5212

CAUTION:For continued safety, replace safety critical components only with manufacturer’s recommended parts (refer
to, parts list).  

 Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance

measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance
is returned to the customer.