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F
TX-RX UNIT (X57-7880-20)
TH_DET
THDET
AFCONT
33M
3.3V
LCDBL
R 9 7 8
HSDEC
R 9 6 8
1 k
R 9 9 3
4 . 7 k (D)
VOX
R 9 8 1
BUSY
0
R830
R 8 3 6
1 0 k (D)
1 k
LEDBLU
WID/NAR
MIC_MT
MANDN
R 8 3 1
0
R 8 3 2
0
C P 8 0 2
1kx2
LEDGRE
LEDRED
EN2
EN1
33MS
RESET
5CC
R 8 1 6
33M
1 0 0 k
3.3V
R E S E T
VOLIN
33MSC
HSDDEC
INT0
VOLOUT
5CC
ON:3.3V
AV R
I C 8 0 2
X C 6 2 0 9 B 5 0 2 M R
5.0V
1 V IN
Vo U T
5
2 V S S
3 CE
N C
4
5 0 C
VOX
MIC_MT
WID/NAR
SB
BUSY
PTT/RXD
B
G
SCHEMATIC DIAGRAM
CVIN
33M
0
61
QT/DQT
62
CVIN
63
BATT
6 4
VOX
65
BUSY
66
TH_DET
67
RSSI
6 8
WID/NAR
69
ASSIST
7 0
AF_MUT
71
F 3 6 3 B E D F E K D L B
MIC_MT
R 8 5 5
7 2
MAN_DN
0
73
5CC
R 8 5 0
74
LEDBLU
1 k
75
AVSS
76
GRNLED
77
VREF
78
AVCC
7 9
LEDRED
OPTDET
80
LSDO
MODE
3.3V
R 8 5 2
1 0 0 k
R 8 5 4
0
50C
C 9 1 3 3 3 0 0 p
C 8 4 2
3 9 0 0 p
1
A o U T
C 8 4 0
2
A - I N
3 3 0 0 p
3
A + I N
H S D H P F
4
G N D
R 8 3 9
R 9 1 6
N J M 2 9 0 4 R B 1 - Z B
0
1 2 k
QT/DQT
VOX
VOLOUT
H
TK-2312/2317
CM_CLK
EP_CS
EP_DTI
EP_WP
5RC
EMP
CM_DTO
MCU
EP_CLK
EP_DTO
I C 8 2 0
5TC
5VC
TX/RX
APCSW
EM_CLK
RXD
TXD
33MSC
NC
PL_DAT
R989
1k
C 8 5 0
VSS
R 8 5 8
R 8 5 7
1 0 0 0 p
VCC
6 8
0
C 8 4 9
0 . 1 u
R 9 3 2
1 0 k
OPTDET
3.3V
H S D L P F
H S D A M P
V+
8
B o U T
7
R 8 4 4
B - I N
6
0
B + I N
5
I C 8 0 8
I
E E P R O M
I C 8 1 0
CM_CSN
CM_DTI
1
S
2
Q
3
W
4
V S S
4 0
CE
39
CM_CLK
38
37
3 6
35
R713
DCSW
34
4 . 7 k
CM_DTO
33
3 2
31
30
29
5RC
2 8
27
EM_CLK
26
25
50VC
2 4
2 3
22
2 1
I C 8 0 1 X C 6 2 0 9 B 5 0 2 P R
4
VI N
CE
V S S
5
Vo U T
NC
5 0 M
5TC
Q802
DC SW
S S M 6 L 0 5 F U - F
5.0V
Q 8 0 3
D C S W
S S M 6 L 0 5 F U - F
R 8 6 5
R 8 6 7
2 2 k
1 0 k
J
THDET
AFCONT
CVIN
BATT
3.3V
33M
V C C
8
H o L D
7
C
6
D
5
33M
DCSW
TX/RX
APCSW
50M
BSHIFT
33MS
TXD
UCLK
50C
VOLIN
7.4V
3
AVR
2
1
R: 0V
T:3.3V
5 0 T
50VC
R:3.3V
T: 0V
R: 0V
T:4.9V
5 0 R
R:4.9V
T: 0V
50T
50R
LSDO1
ASSIST
HSDENC
QT/DQT
VOX
RSSI
HSDIN
33M
MICMT
WID/NAR
PTT/RXD1
SB
EMPTT
BUSY
PTT/RXD
OPTDET
VOLOUT
B
39
X57-788 2/6
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