45
SCHEMATIC DIAGRAM
TK-7302/7302
(
V
)
/7302H/7302H
(
V
)
X57-76
8
4/6
T
S
R
Q
P
3.29V
5.01V
3.29V
5.01V
2
2
2
2
1
1
1
1
3
3
4
4
5
6
6
6
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8
3
9
9
10
10
10
10
10
10
10
11
11
13
13
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
GLED
RLED
IRQ1
IGN
IRQ2
FWDP
REVP
DST
NC
MBL
LEDM
TXRX
CSN2
VSS
SCRSW
VCC2
EEPCK
EEPDT
EEPWP
AMPSW
KSSW
PLPS
3CC
SBC
9TC
9RC
SP MUTE
CSN1
SCLK
RDATA
CDATA
ECE
PA
PLCK
PLDT
PLLE
EPM
LPOSW
BSFT
PTT
HOOK
RXD
TXD
EBSY
ECLK
ERXD
ETXD
FNC1
FNC2
FNC3
LSD0
HSDO
LED0
LECE
LECL
E
CNVSS
LELH
LERE
RESET
XOUT
VSS
XIN
VCC1
5CC
MKEY
POWKEY
INT
ASTSW
BEEP
FNC8
FNC7
FNC6
FNC5
FNC4
BLED
KMO1
KMO2
KMO3
KMI1
KMI2
KMI3
UL
AF MUTE
MIC1MUTE
MIC2MUTE
HSDI
LSDI
TEMP2
TEMP1
BATT
RSSI
SQIN
AVSS
CV
VREF
AVCC
NARROW
WIDE
HORN
R799 1k
R800 1k
R801 1k
10k
R803
0
R863
0
R859
0
R806
0
R807
1k
R811
R873 0
R874 0
LEDI
LECE
LECL
LELH
LERE
CNVSS
CN712
CN749
RESET
CN714
CP702 1k
CP704 1k
CP706 1k
CP700 1k
FNC8
FNC7
FNC6
FNC5
FNC4
FNC3
FNC2
FNC1
POWER
4.7k
R929
47k
R977
0
R980
47k
R935
47k
R812
CN704
MKEY
5M
R883
C808
0.1u
C807
1000p
CN713
5M
CP705 1k
15k
R787
12k
R790
1000p
C793
1000p
C792
1k
R786
470p
C794
0
R798
0
R860
1u
C796
L702
0
R952
1k
R795
R796 1k
R797 1k
R895 1k
R894 1k
CP701 1k
KMO1
KMO2
KMO3
KMI1
KMI2
KMI3
M2MUTE
M1MUTE
LSDI
HSDI
TEMP2
TEMP1
R794
1k
130k
R792
1k
R791
1000p
C795
18k
R793
1000p
C797
RSSI
SQIN
NARROW
WIDE
BLED
470p
C890
470p
C891
0
R876
0
R871
1k
R815
0
R861
1000p
C810
0.1u
C809
0
R808
0
R870
47k
R978
EEPCK
EEPDI
EEPWP
0
R875
MBL
LEDM
REVP
FWBP
CSN1
SCLK1
RDATA1
CDATA1
47K
R820
0
R951
0
R817
0
R818
1k
R823
1.5k
R824
47k
R999
0
R979
47k
47k
R826
PLLE
PLDT
PLCK
EPM
CN716
CN750
RXD
CN718
PTT/TXD
HOOK/RXD
TXD
CN720
CN717
EBSY
ECLK
CN719
R950
CN721
ERXD
ETXD
CN722
22k
R827
1
2
3
4
A0
A1
A2
VSS
8
7
6
5
VCC
WP
SCL
SDA
EX24064ASAS0A
IC703
EEPROM
0
R819
470
R821
47k
R825
1000p
C813
1000p
C814
10k
R834
10k
R833
R831 0
R832 0
EEPWP
EEPDI
EEPCK
0
R829
0
R891
0
R892
UDZW18(B)
D715
RT1N441U
Q710
Q722
KTC4075E(Y,GR)
DETECT
VOLTAGE
OVER
1k
R782
1000p
C790
47k
R783
1M
R785
4.7k
R789
100k
R784
IC702
F364AEDFBKCUA
KRC414RTK
Q707
DETECT
BATT
TX/RX
UL
SCRSW
INT
RST
SBC
IRQ1
5CC
3.3CC
SBC
9TC
9RC
FB
3.3M
3.3M
ASTSW
0
HORN
SB
PLPS
GLED
RLED
CV
SBC
XIN
BEEP
HSDO
LSD0
MIC
MIC
5M
3.3M
PA
SPMUTE
AMPSW
ME
IGN
AF
AF
5M
5M
5M
5M
3.3M
VCC2=3.3V
VCC1=5.0V
R928
4.7k
HOOK,PTT
19.2MHz
ME
MCU
SWITCH
IGNITION SENSE
CONTROL SWITCH
PROTECTION
VOLTAGE
D715
Q710,722
TX-RX UNIT (X57-76
8
0-XX)