9-7
TX Line
RX Line
Voltage Line
Explanatory notes
NC
PA
5
PA
6
VC
C
PA
4
EXT
AL
VC
C
VSS
P3
5
P7
2
P7
1
PB0
PA
7
P3
4
P3
3
P3
2
P3
0
PB3
PB4
PB2
PB1
P2
7
P2
6
P3
1
P1
5
P5
4
P5
3
P5
1
VC
C
P8
0
P7
6
PB7
PB6
PB5
P2
5
P2
3
P16
P24
P13
P56
P52
P83
PC5
PC4
PC2
P73
PL0
P22
P17
P86
P12
PH3
PH0
P50
PC6
P81
P77
PC0
PC1
PL1
P21
P20
P87
P14
PH2
PH1
P55
VSS
PC7
P82
PC3
P75
P74
PE0
P70
PK4
P00
PF5
P03
P01
VCC
P93
PD5
P60
P64
PE7
PK5
PE5
PE6
VSS
VCL
PJ5
NC
P44
PA0
P66
P65
P67
XCIN
XCOUT
PJ3
PJ1
PA3
VSS
PA1
PA2
XTAL
RES#
MD
AVSS0 P0
7
P4
0
P4
2
P4
5
P9
0
P9
2
PD
2
PD
6
PK3 P6
2
PE1 PE3 VREF
H
AV
CC0
P0
5
VREFL0 P4
3
P4
7
P9
1
PD
0
PD
4
PK2 P6
1
PE2 PE4 VREF
L
P0
2
VREFH0 P4
1
P4
6
VSS PD
1
PD
3
PD
7
P6
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
26
27
28
29
30
31
1A
GND
2A
2Y
VCC
1Y
1A
GND
2A
2Y
VCC
1Y
C11
C12
C13
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
E10
E11
E12
E13
F10
F11
F12
F13
G1
G2
G3
A1 A2 A3 A4 A5 A6 A7 A8 A9 A1
0
A1
1
A1
2
A1
3
B1 B2 B3 B4 B5 B6 B7 B8 B9 B1
0
B1
1
B1
2
B1
3
C1 C2 C3 C4 C5 C6 C7 C8 C9 C10
10
10
10
10
10 10
10
10
10 10
10
10 10
10
10 10
10
10 10
1k
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
M11
M12
M13
N1
N2
N3
N4
N5
N6
N7
N8
N9
N10
N11
N12
N13
*C60
0
*C101
R16
100k
*R73
*R95
*C107
*R82
*R84
*C121
1M
R148
0.00
1
C20
*R63
*R67
*Q13
*R55
8
*R72
*IC11
2
3
1
1M
R147
*R80
R18
10k
*C1
16
0.001
C22
*C102
*R66
*R64
1M
R146
*R94
*R77
*R68
R17
10k
*D5
*R78
*R74
0.00
1
C156
1M
R145
*R83
*R65
*R60
*C109
0.00
1
C155
R5
100k
*R61
0.001
C161
*R1
12
0.001
C8
*R79
*R93
*IC11
6
5
7
NTCG16
R151
*R62
*IC11
V+
8
GND
4
*D16
*D17
DZ2J082M
D7
DA6J101K
0
D2
L2SC4617S
Q3
L1SS400
D1
*D4
L1SS400
D8
*D6
SKRTLAE010
S23
SKRTLAE010
S24
SKRTLAE010
S25
0.00
1
C654
0.00
1
C655
0.00
1
C656
0.00
1
C657
82
R876
R26
82
R2
5
82
SN74LVC2GU04DCKR
IC35
1
2
3
4
5
6
2SC4738
Q22
2SA1832
Q23
47
k
R881
10k
R882
18k
R883
0.
1
C659
12k
R884
2SA1832
Q24
0.
1
C660
18k
R886
10k
R885
SN74LVC2GU04DCKR
IC36
1
2
3
4
5
6
10
C661
J4
32
33
10 C662
10 C663
10 C664
0.
1
C666
BLM15BD102SN1
EP1
2
BLM15BD102SN1
EP1
3
BLM15BD102SN1
EP1
4
0.
1
C66
7
BLM15BD102SN1
EP1
9
BLM15BD102SN1
EP11
CR-981
X1
10P
C669
1P
C670
1M
R908
10
R909
100P
C671
12k
R910
22k
R911
1SS390
D18
12k
R912
100k
R914
0.01
C674
*C108
*C112
*C113
*C1
14
*C115
*C111
GT24C128B
IC37
1 A0
2 A1
3 A2
4 VSS
5
SDA
6
SCL
7
WP
8
VCC
4.7k
R913
100k
R917
100k
R920
BLM15BD102SN1
EP1
6
10k
R925
*R926
*R927
*R928
100
k
R931
100k
R932
0.
1
C681
NJU7704F3
IC38
1 CD
2 VSS
3 MR
4
VOUT
5
VDD
0.068
C682
0.
1
C683
10k
R933
4.7k
R934
4.7k
R935
0.1
C684
100k
R940
100k
R943
100k
R944
100k
R952
100k
R949
NSSW208
DS
2
NSSW208
DS
3
NSSW20
8
DS
4
0.
1
C693
10
R993
10
R996
10
R973
10
R975
10
R982
10
R967
10
R987
10
R989
10
R976
10
R977
10
R983
10
R981
R994
R965
R964
10
R984
10
R971
10
R970
10
R966
10
R991
10
R992
10
R968
10
R972
10
R985
10
R990
10
R995
10
R969
10
R980
10
R979
10
R974
10
R978
10
R986
10
R988
10
R997
10
R998
10
R1000
10
R1001
10
R1002
10
R1003
10
R1004
10
R1005
10
R1007
10
R1008
10
R1009
10
R1011
R1012
R1014 R1015
R1017
R1018
R1019 R1020
R1021
R1022 R1023
R1024
R1025 R1026
R1027
R1028 R1029
10
R1030
10
R1032
10
R1033
10
R1035
10
R1036
10
R1041
10
R1042
10
R1043
10
R1044
10
R1045
10
R1046
10
R1047
10
R1050
2SA1832
Q31
2SA1832
Q32
12
0
R963
LDTC144EE
Q33
10k
R1053
10
k
R1054
220
R878
LDTC144EE
Q34
0.
1
C695
0.
1
C696
*R75
*R76
*IC12
2
3
1
*IC12
6
5
7
*IC12
13
12
14
*IC12
V+
4
GND
11
*IC13
2
3
1
*IC13
6
5
7
*IC13 V+
8
GND
4
10k
R1055
10k
R1056
0.
1
C698
0.
1
C699
0.001
C700
10
R1057
L1SS400
D35
0
R1062
0.00
1
C159
0.00
1
C158
0.00
1
C157
0
R1064
0
R1065
0
R1066
0
R1067
0
R1068
0
R106
9
0
R107
0
0
R107
1
0
R107
2
0
R107
3
0.
1
C672
100k
R1074
10
R1075
10
R1076
0.001
C708
BLM15BD102SN1
EP10
TP76D1190E20
R1061
C
A
B
L1SS400
D47
L1SS400
D48
NJM2830U1
IC34
1
CTRL
2
GN
D
3
NC
4
VOUT
5
VI
N
1k
R1082
*C104
*C105
*C106
*C103
*C629
*C122
J2
16
17
100
R901
100
R903
100
R906
100
R907
100
R902
*R930
*R929
0.
1
C677
0.001
C679
0.001
C680
*IC12
9
10
8
47k
R1084
47k
R1083
RUE002N02
Q25
2.2k
R1079
0
R887
10k
R888
R5F52108BDLK
IC27
E1
E2
E3
E4
E5
F1
F2
F3
F4
G4
G1
0
G1
1
G1
2
G1
3
H1
H2
H3
H4
H10
H1
1
H12
H13
J1
J2
J3
J4
J1
0
J1
1
J1
2
J1
3
K1
K2
K3
K4
K5
K6
K7
K8
K9
K1
0
K1
1
K1
2
K1
3
L1
L2
10k
R1006
10k
R999
0.001
C678
0.001
C71
1
1k
R1037
*R1085
*R1086
2.2M
R1087
680k
R1088
47k
R1089
1
C714
0.
1
C715
NJM2831F05
IC41
1 CTRL
2 GND
3 NC
4
VOUT
5
VIN
82P
C712
82P
C713
3699
MP6
1 2 3
1M
R1081
*R91
0.0047
C716
0.0047
C717
*C720
*C721
*R1090
*R1091
*R85
*R86
*R88
*R69
CP06S
CP14
*C125
100k
R1098
100k
R1097
1
C723
100k
R152
0.001
C724
1k
R1039
1k
R1010
1k
R1031
0.001
C727
0.00
1
C730
1k
R1040
1k
R1038
1k
R1034
R1013
0
R1016
*R81
22k
R1078
INI
VORDE
T
DICK
SQLDN
VORD
CLONE
HV
LCDA
0
SQLUP
DCC
DCC
THERMC
LCDCS
B
VORC
VORS
VORB
VOR3.3V
VOR3.3V
VORCO
VORS
O
RESET
FINED
LCDRSTB
TX
C
CSHIFT
CLOUT
DA2STB
DA1STB
EDATA
ECK
SC
K
SDATA
KS0
KS1
KS2
EMBI
OE
RFST
B
PSTB
PDATA
PCK
VORON
CPU_DEMP
BT_SW
BTTEST
HOPC
GPS_TX
D
GPS_RE
S
BTMICSW
CHG
C
LIGHTC
VOLCLK
VOLDATA
FWD
BATTX
KS3
KR4
KR2
INI
BT_DEMP
BWD
BATRX
KR0
KR1
CLIN
H_PTT
DCC
DCI
N
SBA
TT
RFDETV
RXMUTE
DIUD
VORD VORC
SQLDN
THERMC VO
X
DICK
VORS
SQLUP
RSSI DE
TO
VOL_IN
PTT
BEEP
JACKDET
CHGDC
CHGIH
PATMP
UNLK
AGCOFF
VORB
RESET
FINED
GPS_RX
D
VORS
O
VORCO
DI
M
VORS
I
VORCI
LCDSDA
LCDSCL
LCDRSTB
LCDA0
LCDCS
B
LCDSCL
PCON
KS0
KS2
KS3
DI
M
LIGHTC
KEYLIGHT
DIUD
VOL_IN
LIGHT
KS1
KR3
PWRBTN
SPMUTE
AFC
LCDSDA
BA
TD
AT
A
5V
L
VORS
I
VORCI
KR4
KR3
KR2
KR1
KR0
BTRX
D
BTTX
D
SBA
TT2
SBA
TT
LV
IN
BA
TTX
BA
TR
X
CPU3V
CLI
N
CLOUT
INTPTT
VIN
LIGHT
GPSC
PWSW
NOISE
0.001
C123
1
2
3
4
5
6
VORO
N
+3
V
*Q15
HV
5VL
+3V
VCC
VCC
LCD Backlight
ON: 4.9 V
OFF: 0 V
LCD Backlight
ON: 3.3 V
OFF: 0 V
LCD Backlight Brightness
Bright: 4.3 V
Dark: 5.0 V
LCD Backlight Brightness
Bright: 3.3 V
Dark: 0 V
3.3 V
3.4 V
3.3 V
3.3 V
3.3 V
Ambient temperature 25°C: 2.5 V
Displayed frequency
108.000~117.975 MHz: 3.3 V
118.000~136.99166 MHz: 0 V
*IC-A25N only
Displayed frequency
108.000~117.975 MHz: 3.4 V
118.000~136.99166 MHz: 0 V
*IC-A25N only
Displayed frequency
108.000~117.975 MHz: 3.2 V
118.000~136.99166 MHz: 0 V
*IC-A25N only
• LOGIC-1 UNIT (1/2)
*Refer to the PARTS LIST for the value and name of component.
