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A
B
TK-2170/2170ST
1
TX-RX UNIT (X57-7000-XX) (C/4)
-10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M
Foil side view (J72-0963-19 C/4)
2
3
4
TX-RX UNIT (X57-7000-XX) (B/4)
-10 : TK-2170 K -11 : TK-2170 K2 -21 : TK-2170 M, TK-2170ST M
Foil side view (J72-0963-19 B/4)
5
13
R255
C35
6
24
Q8
7
4
Q4
R21
5
R16
8
9
GND
10
SB
11
12
13
54
14
C
D
PC BOARD
CN71
12
1
48
C42
R44
C39
IC6
C38
C40
37
25
36
CP11
2 3
R17
R15
3
Q6
1
5
R13
R14
C9
R9
2 3
1
Q1
R8
R7
R23
1
5
D1
BATSEL
1
NC
GND
toCPU
R20
5V
NC
C199
S3A
S1B
C15
S*C
S1A
C22
S2B
NC
C25
SB
SB
C14
SB
15
CP1
TXD
NC
E
F
R83
1
8
IC9
4
5
R74
R66
R65
R73
R64
R62
R89
C62
R58
Q17
C60
R24
C31
C13
+
CP3
L6
C3
+
C172
C173
MIC
MICIN
J1
EXT. SP/EXT. MIC
SPO
PTT/RXD
SPI
AE
G
H
CP45
L8
CP46
R27
128
1
IC7
R57
R56
R55
32
33
R54
R45
R49
CP8
CP4
R39
R22
C20
C6
R26
R11
C34
C202
C27
OPTDET
5MS
I
J
J72-0963-19 C/4
CP47
CP48
CP49
CP50
CP42
97
96
65
64
CP10
R53
R46
R52
R48
C68
R
+
C69
5
C65
IC10
L1
C66
8
G
Q14
+
C57
D
S
+
CN18
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