Kenwood DPX502 Service Manual page 26

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K
DPX502/502U/502UY
DPX-MP5100U
9
12
C110
12
0.01
0 or 1.6 or
2.5 or 3.4
or 5.0V
5V
0V
5V
0V
5V
0V
IC102
SYSTEM u-COM
5V
0V
5V
0V
5V
0V
C104
0.01
X101
32.768kHz
1
8
11
15
28
D213
C
SERVO+B
TP200
TP95
3
2
1
1
WH1
CN202
REMOTE
CONT
26
X34-560x-xx (3/6)
L
16
uCOM5V
13
8
13
R155 3.9K
R154 3.9K
5V
5V
0V
0V
5V
50
0V
CD MOTOR
5V
49
CD LOEJ
0V
48
CD LOE LIM SW
47
CD DISC8 SW
5V
46
0V
SOC S STOP
45
SOC S RST
5V
44
0V
VFD CS
43
CD MUTE
5V
0V
5V
CP103
0V
5V
42
0V
CD LOS SW
41
CD DISC12 SW
40
NC
0V
TP72
39
ROMCOR DET
38
NC
37
NC
36
NC
5V
0V
35
S SOC SCL
34
5V
S SOC DATA
0V
33
S SYS DATA
5V
0V
32
VFD RST
31
VFD CLK
5V
30
0V
5V
VFD INT
0V
29
VFD DATA
5V
0V
5V
28
TUN SDA
0V
27
TUN SCL
26
PWIC BEEP
1
uCOM5V
TP117
TP105
L200
D+
D-
D219
D220
TP118
TP106
1
2 3
4
5
M
9
12
16
13
8
SW5V
16
CP104 100
50
49
R147
48
2.2K
R148 4.7K
R144 2.2K
47
28
R142 100
R145
46
R140 100
100K
45
16
R139 1K
44
R137 1K
R138
43
100K
8
R135
C108
470
0.01
R134 100K
2.2K
42
R133 100K
41
R132
C107
16
470
0.01
R131
28
47K
28
R165 100K
35
R151
34
100K
R128 100
33
16
CP101 100
32
R125
31
47K
30
29
8
R163
47K
28
27
5V
0V
TP69
1
28
8
8
11
15
28
11
15
18
N
J1
9
10
8
7
9
12
9
13
16
SW5V
Q51
R51
73
10K
BU
R50
DET
10K
Q59
SURGE
DET
ACC DET
R68
Q57
D52
47K
72
79
12
SMALL LAMP
DET SW
74
Q60
Q52,54
13
P-CON PROTECTION
Q58
Q52
R60
Q54
22K
Q50
Q50,58
66
P-CON SW
Q56
B
R54
R56
220
220
1/2W
1/2W
Q53
70
P-ANT SW
TP76
L100
uCOM5V
4.7uH
TP75
SW5V
HI-SIDE SW
13
CURRENT DET
IC200
8
5.0V
R218
AOUT
100
1
7
5.0V
55
PONA
VCC
2
5V
FLGA
3
0V
FLGB
6
0V
R219
4
GND
54
PONB
5
5.0V
BOUT
100
3.3V
0V
11
15
18
O
11
12
6
5
2
D55
R65
20K
29
D53
2
14
29
15
D59
3
D51
4
SW5V
Q13
Q14
C902
0.01
TP1
D5V

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