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Kenwood KDC-MP5028 Service Manual page 3

Switch unit (x16) type 2
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A
KDC-MP5028/MP528/W6031/W6031Y
/W6531/W6531Y/X589/X7529
1
2
3
4
5
6
7
3
X16-3350-1x/3362-70 (1/2)
B
ANODE CONNECTION
3GA,3GB
2G
1GA,1GB
P1
col2
S7
P2
1d
3d
S6
P3
1n
3n
S5
1p
3p
P4
S4
P5
1r
3r
S3
P6
1e
3e
S2
P7
1c
3c
S1
P8
1g
3g
P9
1m
3m
d
P10
1f
3f
e
P11
1b
3b
c
P12
1k
3k
g
P13
1j
3j
f
P14
1h
3h
b
P15
1a
3a
a
P16
2a
1a
1a
P17
3a
2a
2a
P18
2h
1h
1h
P19
3h
2h
2h
P20
2j
1j
1j
3j
2j
2j
P21
P22
2k
1k
1k
P23
3k
2k
2k
P24
2b
1b
1b
P25
3b
2b
2b
P26
2f
1f
1f
P27
3f
2f
2f
P28
2m
1m
1m
P29
3m
2m
2m
P30
2p
1p
1p
3p
2p
2p
P31
P32
2n
1n
1n
P33
3n
2n
2n
P34
2d
1d
1d
P35
3d
2d
2d
P36
P37
P38
3r
2r
2r
P39
2r
1r
1r
P40
3e
2e
2e
P41
2e
1e
1e
P42
3c
2c
2c
P43
2c
1c
1c
P44
3g
2g
2g
P45
2g
1g
1g
P46
P47
S13
P48
S12
P49
S11
P50
S10
P51
col1
col4
S9
P52
col3
S8
39
NC39
40
NC40
0V
41
DGND2
10.5V
42
VDISP2
R106
R112
2.2K
43
47K
GRID1
Q104
R109
R105
R110
47K
2.2K
44
10.7V
47K
GRID2
0V
Q103
R107
R104
R108
47K
2.2K
45
47K
GRID3
46
Q102
SEG1
47
SEG2
48
SEG3
49
SEG4
50
SEG5
51
SEG6
52
SEG7
53
SEG8
54
SEG9
55
SEG10
56
SEG11
57
SEG12
58
SEG13
59
SEG14
60
SEG15
61
SEG16
62
SEG17
63
NC63
64
NC64
C
(X16-33xx-xx)
a
j
f
k
b
h
ED1
g
m
e
r
n
p
c
3GB
1a
d
(1G~3G)
a
f
b
g
e
c
d
(1G)
J1
TP13
ESD
15
S1
RESET
TP12
RST 14
R6 470
TP11
INH
13
X34-
R5 470
TP10
CN3
CE
12
R4 470
TP9
11
SYS DATA
1/2
R3 470
TP8
CLK
10
R2 470
TP7
A
PAN DATA
9
R1 100
TP6
REMO
8
TP5
RTRY CCW
7
7
TP4
RTRY CW
6
6
5
NC
GND
4
TP3
ILL+B
3
TP2
PAN5V
2
1
CN DET
TP1
R28
22K
Q6
PAN5V
15
C102 1000P
D101
R9 470K
C3
C205 470P
27P
C206
C203
C204 100P
470P
470P
0V
5V
5.0V
0V
5V
0V
D
1GB
3GA
1a
2a
2a
3a
col1
TP30
29
30
32
R14
31
Q2
Q3
470
15
47K
R13
22K
47K
FL+SW
0V
R12
Q1
TP33
100
5V SW
R29
Q7
R102 R201
4.7K
47K
22K
22K
Q101
47K
CP1
1K
CP3
1K
5V
5V
0V
0V
5V
0V
IC1
VFD DRIVER
10.7V
0V
E
2G
1a
2a
col2
col4
col3
IC2
5V
0V
1
GND
2
REMO
VO
SENSO
3
VCC
5.0V
C2
0.01
10.7V
0V

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