Switch Unit - Kenwood KDC-X959 Service Manual

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

SWITCH UNIT

SWITCH UNIT
X16-169X-XX (J74-1336-12)
(X16-169X-XX)
R e . f N O .
A d d e r s s
C I Q
2 4 B
3 2 B
5 3 B
C18
C17
6 5 B
1 0 5 B S4
S14
4 6 B
5 6 B S10 S7
9 6 B
R17
C11
CP32
R65
C20
C10
T E C34
L 1 3 9 4 2 2 9 6 5 1 3
C26 C25
R59
CP38
CP19
CP6
R74
CP21
CP22
C29
CP40
CP9
3 1
CP27
4 5
CP44
24
CP43
CP42
CP41
L1
C23
25 48
C22
C36
Q4
CP4
EB
EB
Q5
R56
S20
w w w S11
C16
C19
.
Refer to the schematic diagram for the values of resistors and capacitors.
C
DAUGHTER UNIT
X89-253X-XX (J74-1332-12)
R1
S1
R2
J1
S17
16
15
2
1
1
Q9
EB
R57
S16
x a o
y
i
D 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
X16-169X-XX (J74-1336-12)
MCCLK
RST
MCREQ
KR1
DATA
PRST
AUDIO
CLK
RX
KR2
TX
CP28
C3
X1
CP35 CP33
CP17
CP29
72 37
1 5 1 5 0 8 9 2 4
73
108
CP15
109 144
CP24
CP26
CP13
CP25
CP23
C4
C21
Q6
8 5
1 4
18 10
1 9
m
c o
R16
C7
R66
H I
2
9 9
1
SWITCH UNIT
(X16-169X-XX)
R e . f N O .
A d d e r s s
C I Q
1 6 H
4 6 H
7 5 H
8 4 H
2
9 3 H
6 5 H
8 5 H
3
KS2
SCREQ
KS3
KS1
KS4
D3
FROMCH
KR3
D2
9 8 2 9 9
CP18
36
TESTO
R58
R72
R82 4
CP7
CP5
CP12
1
5
R2
6
R50
7
12