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J
K
S1
AUX
1
16
IC5
R31
8
9
R106
R245
CN8
C190
R105
R101
R104
R100
C78
R122
R103
5
4
C102
IC11
SPLO
8
1
CN62
SPLI
10
C93
9
C117
C13
R156
C98
1
R157
32
C127
R171
R165
C134
R251
C192
C135
R164
C176
C122
R149
R181
C100
S
D
G
R175
R193
R192
C155
C154
R194
R195
R206
R207
R178
R177
R199
C158
R200
1
8
C182
IC17
C181
4
5
L
M
S2
PTT
L5
1
16
L4
L3
IC4
L2
8
9
R40
R37
R180
4
3
Q24
C153
6
1
C29
C28
C149
C26
+
C201
R196
BLK
C169
R261
Q27
RED
WHT
BLU
R220
R212
5MS
OPTDET
MICIN
L10
C166
R218
+
R204
PTTO
PTT/RXD
R213
R203
N
O
P
PC BOARD
TX-RX UNIT (X57-7012-72) (C/4)
Component side view (J72-0964-19 C/4)
TX-RX UNIT (X57-7012-72) (B/4)
Component side view (J72-0964-19 B/4)
R68
GND
GND
KEY4O
KEY1I
KEY2I
KEY3I
KEY4I
R72
MIC
SPO
SPI
R202
AE
Q
R
TK-3170
J72-0964-19 C/4
S3
SW1
CP13
CP18
CP24
CP12
CP16
CP23
ED1
TXD
NC
PTTI
TXD
(RXD)
S
1
2
S4
SW2
3
4
5
COM4
6
COM3
COM2
COM1
S34
S33
S32
7
S31
S30
S29
S28
S27
S26
S25
8
S24
S23
S22
S21
S20
S19
9
S18
S17
S16
S15
S14
S13
10
S12
S11
S10
S9
S8
S7
S6
11
S5
S4
S3
S2
S1
12
13
23
14
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