Kenwood KCA-CM50 Service Manual

DIGITAL RADIO CONTROLLER

KCA-CM50

SERVICE MANUAL

DC cord assy
(E30-6353-08)

© 2003-11 PRINTED IN JAPAN
B53-0115-00 (N) 764

Panel assy

PWR

OFF

S

R

C

(A64-3383-08)

S

R

C

H

/

M

E

N

U

1

2

3

4

5

Cord with 8P DIN connector
(E30-6352-08)

Unit holder
(J19-5236-08)

Cord with 13P DIN connector
(E30-6354-08)

6

DISP

Magic tape(20x60)
(H30-0501-08)

Magic tape(20x40)
(H30-0585-08)

Clamper
(J11-0647-05)

X3

A B C D E

KCA-CM50

1

2

3

PC BOARD

(COMPONENT SIDE VIEW)

CONTROL UNIT

CN1

19

C9

D2

681

LCD1

D16

D15

D14

D13

D12

(FOIL SIDE VIEW)

CONTROL UNIT

IC1

D21 D19

R29
R30
R31
R33

C8

5175

50

R10

R9

R16
R17
R18
R19

C2

D18 D17

R2

R27

D20

R37

R36

R15

R14

R13

R12

R11

Q2

EB

76

R20

C4

R32
R26

R35
R28

D23

4

100

R25

125

C6R24

R23

R22

C5

C7

R7

R21

BE

Q1

R1

C1

D11

D10

5

C10

D1

D6

D9

R8

26

CONTROL UNIT

IC Q Address

6

27C

D4

D8

D7

D22

Q3

EB

R6

R4

CONTROL UNIT

IC Q Address

14D

15D
23D
36C

D5

D3

43

2

IC2

1

C11

R34

R5

R3

C3

7

Refer to the schematic diagram for the values of resistors and capacitors.

2

JIHGF

KCA-CM50

PC BOARD (FOIL SIDE VIEW)

BATT PWB

BK

41

PL1

J1

C4

D3

C3

IC1

C2

R9

R10

R6

R7

51

R5

D4

D5

R8

D2

ZD4

ZD3

C1

R4

R2

R1

ZD1

ZD2

R3

YL

CN1

1

2

L1

3

CN2

16

D1

4

DC CORD UNIT

IC Q Address

13G

5

6

Refer to the schematic diagram for the values of resistors and capacitors.

7

3