Switch Unit - Kenwood KDC-MP819 Service Manual

A B
Q Q
PC BOARD (Component Side View)
3 7 6 3 1 5 1 5 0

SWITCH UNIT

SWITCH UNIT
X16-168X-XX (J74-1327-22)
(X16-168X-XX)
R e . f N O . 3 4
A d d e r s s
C I Q
IC3
3 2 B
S18
2 1
C18
S4 S14
S10 S7
T E
L 1 3 9 4 2 2 9 6 5 1 3
C16
S11
w w w S20
S15
S19
.
Refer to the schematic diagram for the values of resistors and capacitors.
C D
DAUGHTER UNIT
X89-253X-XX (J74-1332-12)
R1
S1
R2
C6
J1
S17
16
15
2
1
S16
x a o
y
i
E
PC BOARD (Foil Side View)
8
DAUGHTER UNIT
X89-253X-XX (J74-1332-12)
R10
R9
R11
CN1
R8
R7
R6
R5
R4
R3
Q Q
3 7 6 3
u 1 6 3
.
11
F G
2 4
9 9 8
SWITCH UNIT
X16-168X-XX (J74-1327-22)
J1
CP9
X1
C13
R27
50 31
51 30
1 5 1 5 0 8 9 2 4
80 1
81 100
R34 L13
R33
C3
C4
R36 Q3
R17
C9
B E
C8
VDD2
KR4
KR3
EB
Q10
KR5 EB
R42
R48
R39
R49
EB EB
m
c o
H I
2
9 9
1
SWITCH UNIT
(X16-168X-XX)
R e . f N O .
A d d e r s s
C I Q
1 5 H
2 5 H
4 6 H
5 4 H
2
1 6 H
2 6 H
3 5 H
4 4 H
6 6 H
7 6 G
8 6 G
9 6 G
1 0 6 H
3
PAN5V
(VDD)
SCDATA
D2
C10
C21
D1
9 8 2 9 9
R21
CP6
4
CP1
L4
CP4
Q4
D16
D15
D3
5
D9
R9
L9
R1
R7
FAC
FL+B
6
FLGND
7
12