Icom IC-F3, Service Manual

Page: 50 / 52

J6 P1
SP
SPG
SPG
47p
C164
1
2
1
2
C18
C481
MAIN UNIT
IC-F4 only
IC-F4S=open
KUC3523-040245
MC1
GND
J5
1 30
15 16
PTTIN PTTIN
5V
PTTOUT
PTTOUT
VCC
MICOUT
MICOUT
MICMUTE
MICIN
MICIN
AFONOP AFONOP
NC
BEEPOUT
BEEPOUT
NC
RXMUTE
NC
DET
SIGOUT
SIGOUT
AFOUT AFOUT
OPT1 OPPD
NC
OPT2
CCS
OPT3
OPCS
OPINT
U/D
W7
CIRQ
GND
SO
NC
SI
NC
1
2
3
5
4
SCK
SO
SI
MM
RM
MIC
NC
Q29
XP1213
33k
R144
R142
100
0.001
C163
L416
0.22 H
C498
56p
EVQ-PJ705K
S1
1
2
3
4
5
HV
VOL IN
VOL OUT
VOL GND
VCC
RV-312 R1
VR BOARD
EXT. MIC
MIC
SPEAKER
PTT
EXT. SP
BATT
GND
ANT.
CHARGER
BATTERY
J7
HSJ1122-010010
J2
OPT
MIC
470p
C165
C166
0.001
47p
C183
47p
C184
47p
C185
0.001
C189
0.001
C190
0.001
C187
0.001
C186
47p
C182
47p
C180
47p
C181
HSJ1456-01-220A
J3
SP1
AF OUT
SP
CLONE
47p
C167
0.001
C168
0.001
C169
HEC2711-01-020
J4
0.001
C170
0.001
C171
470p 47
C172
C173
15
R156
Q27
SB07-03C
D25
15
R157
0.001
C200
0.001
C202
2SB1132R
C201
0.001
D24
DA204U
10k
R158
DA204U
D27
15k
R174
DTC144TU
Q31
470
R132
CLIN CLOUT
VOL IN
VOL OUT
AFOUT
VCC
5V
5V
T5 R5
5V
S5
2SA1362
Q22
2SA1362
Q21
2SA1362
Q20
4.7k
R137
4.7k
R139
R444
10k R443
10k R442
10k
0.01
C160
R5C S5C
22
22
22
C177
C176 C175
C174
4.7k
R141
0.01
C161
0.01
C223
0.01
C224
47p 47p
C428 C429
0.01
C162
T5C
2SB1132R
Q18
5 6 4
3 2 1
2.2k
R134
4.7
C159
1k
R133
R135
100
C158
0.001
C157
0.001
C156
10
C155
S-81250PG-PD
IC6
T1 T2 T3 T4
O I
G
VCC
CPU5
P0 P1 P2 P3
1 2 3 A
4 5 6 B
7 8 9 C
* 0 # D
1k × 4
R430
KR3
KR2
KR1
KR0
D16
MA6S121
KS5
KS0
KS1
KS2
KS3
KS4
1k × 4
R428
1k × 4
R429
MA6S121
D17
IR1
D33
MA111
CTCSS
DET
R5
CPU5
5 4
1 2 3
NC NC
VDD VSS
S-80742SL-A6
IC11
10k
R149
330k
100k
100k
R221
0.47
C230
MA111
D15
220k
R147
R146
100k
R148
R434
10k
R154
6.8k
R153
1k
2SC4081
Q23
0.001
C144
R220
270k R218
68k
e
82k u
R219
82k
e
100k u
0.01
C248
C247
0.001
0.0022
C488
47p
C250
NTCCF20124AH
R182
L409
4.7 H
R181
18k
R103
0.1 33
C232
C197
470p
C447
330k
R215
150k
R216
0.1
C231
39p
C195
CR-463
X2
1M
R101
R102
10
8p
C193
C196
470p
R214
1k
12p
C194
CTCIN
CTCIN
AVss
TEST
Xcin
VSS
Xin
Xout
RESET
CSIFT
SCK
SI
SO
UNLK
PLST
NOIS
ECS
OPPD
OPCS
IR1
TROCH
CPINT
CL IN
CL OUT
NMI
RESET
CSIFT
ECS
SI
MTONE
TONE
DTMF
SO
DTC144EU
Q26
X25080SI-2.7 [16 ch]
25LC160T-I/SN [2-BANK]
IC7
1
2
3
4
5
6
7
8
CS
SO
WP
VSS
VCC
HOLD
SCK
SI
0.01
C245
33k [W]-[H2]
27k [W]-other
82k [N]-[H1],
[N]-[H2]
68k [N]-other
Q35 2SC4081
Q38
DTC144EU
Q405
DTC144EU
R224
47k
R207
R197
180k
C431
4.7
C225
0.01
C249
0.01
C222
0.0056
C489
0.015
C226
0.0082
M
C463
0.01
[L],[ML],[MH]
only
C192
0.001
C433
47p
C435
0.001 C434
0.001
C221
0.1
R199
1k R436
1.8k
R466
22k
R190
22k R191
22k
R437
47k R200
220
R168
10k
R192
56k
Q33 XP4601
47k 47k
R203 R202
R234
22k
R231
180k
R230
56k
R229
22k
R461
47k
C227
R227
1
0.1
820p
C228
1k
×
4
R226
R426
1k
×
4
R427
1k
×
2
R425
1k
× 4
SCK
SI
SO
UNLK
CL OUT
CL IN
PLST
NOIS
OPINT
ECS
OPPD
OPCS
R228
100k
100k
R193
100k
R196
100k
R195
R194
100k
R235
680k
0.01
C199
R433 1k
×
4
R431
1k
× 2
R432
100k
R237
100k
R236
1k
C442
47p C441
0.1 C440
0.1
C438
0.1
C439
0.1
C257
47p
C430
47p
C255
22p
C254
47p C252
47p
C253
47p
C251
47p
CONT
DUSF
DST
DST
AFON
AFON
LIGHT
LIGHT
T5C
T5C
TXC
75 SEG40
74 SEG39
73 SEG38
72 SEG37
71
70 SEG35
SEG34
SEG33
SEG31
SEG30
SEG29
CTDA2
CTDA0
CTDA1
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
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
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
PBO/AN0
AVSS
TEST
X2
X1
VSS
OSC1
OSC2
RES
NMI
P20/IRQ4/ADTRG
P21/SCK1
P22/SI1
P23/SO1
P24/SCK3
P25/RXD
P26/TXD
P27/IRQ0
P17/IRQ3/TMIF
P16/IRQ2
P15/IRQ1
P14
P13/TMIG
P12/TMOFH
P11/TMOFL
P97/SEG40
P96/SEG39
P95/SEG38
P94/SEG37
P93/SEG36
P92/SEG35
P91/SEG34
P90/SEG33
P87/SEG32
P86/SEG31
P85/SEG30
P84/SEG29
P83/SEG28
P82/SEG27
P81/SEG26
P80/SEG25
P77/SEG24
P76/SEG23
P75/SEG22
P74/SEG21
P73/SEG20
P72/SEG19
P71/SEG18
P70/SEG17
P67 /SEG16
HD6433875A40H [16 ch]
HD6433875B26H [2-BANK]
IC8
26 27 28 29 30 31 32 33 34 35 36 37 38 39
40
41 42 43 44 45 46 47
48
49 50
P10/TMOW VSS V3 V2 V1 VCC PA3/COM4 PA2/COM3 PA1/COM2 PA0/COM1 P50/WKP0/SEG1 P51/WKP1/SEG2 P52/WKP2/SEG3 P53/WKP3/SEG4 P54/WKP4/SEG5 P55/WKP5/SEG6 P56/WKP6/SEG7 P57/WKP7/SEG8 P60/SEG9 P61/SEG10 P62/SEG11 P63/SEG12 P64/SEG13 P66/SEG/14 P66/SEG15
0.1
C142
C143
100p
CL IN
CL IN
VCC
CPU5
AVref VTref CPU5 AVCC
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
SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 SEG51 SEG52
SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 SEG49 SEG50 SEG51 SEG52
MTONE DTMF
MTONE
DTMF
PTTOUT
PTTOUT
LVIN
LVIN
TEMPS
TEMPS
ISENS
ISENS
SO
SD
VIN
VIN
0.001
C256
LNJ310M6URA
DS2
LNJ310M6URA
LNJ808R8ERA
DS3
DS4
2SC2712
Q25
3.3k
1.5k
R205
R204
100
R155
R183
560
COM1
COM2
COM3
COM4
COM4
COM3
COM2
COM1
SEG29
SEG30
SEG31
SEG33
SEG34
SEG35
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
SEG51
SEG52 26
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
PB2/NA2 PB1/AN1 PB3/AN3 PB4/AN4 PB5/AN5 PB6/AN6 PB7/AN7
AVREF VTREF TONED TONEM
AVCC
PE3/SEG52/CL1 PE2/SEG51/CL2 PE1/SEG50/DO
PE0/SEG49/M
PD7/SEG48 PD6/SEG47 PD5/SEG46 PD4/SEG45 PD3/SEG44 PD2/SEG43 PD1/SEG42 PD0/SEG41
VCC
PLST
SCK
SO
UNLK
VCC
VCC
T5
R5
S5
R5 R5
S5 S5
5p
C53
C52
0.01
C51
10p
4p
C65
3p
C67
4p
C66
FI2
CFWM450E [W]
CFWM450G [N]
O I
1.5k
R85
R92
50k R441
NTCCF20123NH
R89
10k
R87
1.8k [W]
3.3k [N]
R88
120k
R44
1.2k
R40
680k
R90
33k [W]
10k [N]
C123
0.001
220p
C121
R86
120k [W]
100k [N]
C122
220p
C490
220p
0.1
C120
0.001
C118
47
R84
TA31136FN(D)
IC2
AF
1
2
3
4
5
6
7
8
16
15
13
14
12
11
10
9
OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN
MIXIN
GND
N-REC
N-DET
RSSI
IFOUT
QUAD
AFOUT
CDBCA450CX24
X3
R408
1k
C117
10
100k
R424 R82
1.2k [W]
2.2k [N]
C116
56p [W]
100p [N]
0.001 0.001 0.001
470p
C114 C113 C112
2SC4215
Q400
C408 L22
1.8 H
D402
1SS375
120k
R407
R406
390 [W]
120 [N]
NOIS
MODCON
AFOUT
SD DET
VCC
R5
S5
S5
5V
470
R131
10
C154
0.1
C147
W1
100k
R130
C209
0.1 C210
0.1
W2
UN911H
Q17
PTTOUT
MIC
PTTIN MICIN MICOUT
0.0047
C132
100k
R104
1k
R452
270 [W]
470 [N]
R105
0.1
C133
C493
0.047 [L], [ML]
0.027 other
NJM2902V
IC3c
10
9
+
+
—
—
8
C134
150p [W]
220p [N]
150k [W]
180k [N]
R108
10k
R109
0.1
C217
0.01
C124
0.0015
C125
0.0039
C126
C465
0.0022
3.9k
R176
R468
6.8k
e
12k u
27k
R93
1M
R94
1M
R95 IC3b
NJM2902V
6
5
7
47k
R96
R453
47k [W]
56k [N]
R459
10k
R454
1M
u
1 e
100k
R166
BU4066BCFV
IC4
1
2
3
4
5
6
7
14
13
12
11
10
9
8
I/O
I/O
I/O
O/I
O/I
O/I
O/I
I/O
CONT.B
CONT.C
VEE
VDD
CONT.A
CONT.D
0.01
C131
VOL IN
MM
5V
5V
R42
1k
× 4
R41
56
L14
15nH
C62
6p C61
6p
C60
0.001
C59
100p
C58
100p
C55
0.01
C57
22p C56
0.1
5V
LVIN
47p
0.001
470p
470p
470p
MA77
D3
D4
MA77
4p
C25
C492
10p
C470
47p
C471
47p
C487
470p
C24
C483
470p
10k
R12
2SC3585
Q3
C22
7p other
8p [ML], [MH]
except
[H1], [H2]
C9
33k
R163
10
R13
1k 1k
R162
VCC
2SC4081
Q28
R3
0.15
R161
XP6401
3 2
1
4 5 6
C10
10k
100
R2
22
C21 C20
C496
470p
C479
47p
C19 C482
470p C469
47p
L27
EXCCL3225U
L26
EXCCL3225U
R7
R8
6.8k
R9
10k
R456
1.5k
R164
2.7k
82k
R1
L6
1.8nH [L]
1.5nH other
0.01
0.001
C14
C468
1 C436
0.001
LA-515
L5
C204
C15
27p [L]
20p other
2SK2596
Q2
R457
18k
R458
27k
R165
1.8k
R5
C17
0.001
C466
47p
C179
0.01
C208
0.001
470p
470p
0.001
W6
C13
2SK2595
Q1
C11
12p [L]
8p [ML]
4p other C467
10p
C205
18p
C206
0.3p
C207
0.001
MA77
D1
D2
HSM88AS
J1
C8
0.001
C7
5p [L]
4p other C5
9p [L]
8p [ML]
10p [MH]
7p [H1], [H2]
C3
12p other
10p [MH]
S5
Q37
2.2k
R210
0.1
C73
100k
R52
10k
R53
0.001
C243
150k
R54
330k
R438
0.01
C75
R55
1k
—
+
2
3
1
4
11
NJM2902V
IC3a
D401
HVU350
100k
R167
C128
1
C148
0.1
R112
100k
R125
27k C216
0.1 R172
1M C215
0.1 R171
47k
RM
TONE BEEPOUT
CTCSS
SIGOUT
R169
10k R170
10k
C212
0.1
R97
220k
R113
68k
e
82k u
C213
4.7
C214
0.1
120k R115
100p [W]
120p [N]
C135
33k
R114
0.0047
C136
C477
47p
C499
47p
C497
47p
100k
R159
1k
R116
NJM2902V
IC3d
+
—
13
14
12
1.5k
R117
0.033
C137
0.1
C229
470p
C42
D404
1T365
D5
HVU350
D403
HVU350
47p
C476
C460
0.0018 [W]
0.001 [N]
R455
120k [N]-
e
-[L]/[ML]/[MH]
100k [N]- u -[L]/[ML]/[MH]
330k [N]-[H1]/[H2]
82k [W]-
e -[L]/[ML]/[MH]
68k [W]- u -[L]/[ML]
180k [W]-[H2]
R119
10k
R439
56k
R118
1
1.8k
R100
10k
R99
3.9k
R178
15
C129
AFON
SPG
AFONOP
VCC
2SB1132
Q15
68k
R451
1M
R120
XP6501AB
Q16
6 5 4
1 2 3
0.1
0.1 0.001
C139
1k
R121 C140
D26
DAN202U
3.3k
R123
2.7k
R122
C145
10
C146
TA7368F
IC5
1
2
3
4
5
10
9
8
7
6
NC
VCC
NC
VIN
RIPPLE
POUT
PWGND
PREGND
PHASE
NF
10k R126
C149
0.1
VOL OUT
100
C153
10
R127
10
C150
47P
C151
10
R128
0.047
C152
AF OUT
+ + +
+
22
+
+
+
+
+
+
Q19
XP6501AB
C141
0.1
COM4 COM3 COM2 COM1
KS0 KS1 KS2 KS3 KS4 KR0 MM RM KR1 KR2 KR3
R5C
R5C
S5C
KS5
DS1
LM-1462B
L8
27nH [L]
27nH [ML], [MH]
18nH [H1], [H2]
L7
15nH [L]
12nH other
Q9
L24
T5
0.82 H
R160
150
1LO
R83
330
L25
L403
1.5 H
L13
1 H
0.82 H
+
+
+
+
+
+
+
+
+
OUT
+
L3
Y655LY-04K [L], [ML]
Y655LY-03K=P3 [MH]
Y655LY-02M [H1], [H2]
L2
Y655LY-04K [L], [ML]
Y655LY-03K=P3 [MH]
Y655LY-02M [H1], [H2]
DTA144EU
TXC ISENS T4
M62354GP
IC10
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DO
NC
AO5
LD
AO4
AO3
CLK
DI
AO1
DST
SCK
SO
MODCON
FRQCON
AO2
NC
GND VSS
VCC
VDD
AO6
0.01
C244
C241
10
C240
0.01 C239
0.01 C238
0.01 C237
0.01
C242
0.01
2SC4081
Q36
DUSF
CTCIN
CTDA0
CTDA1
CTDA2
U/D
IR1
5
4
1
2
3
6
CTCSS
FRQCON
47
10k
L412
1 H
L414
0.22 H
OPTIONAL
UNIT
C456
10
+ C491
1
D405
HSU88
R450
2.2k
Q404
2SC4116
C54
0.001
C48
1
C443
0.047
+
C47
0.1 other
0.33 [MH]
C218
0.001
R33
4.7k
R417
3.3k
R416
3.3k
R409
10
R415
10
R419
4.7
R420
270 other
120 [H1], [H2]
R421
10k
L405
MC152-E558ANA-100050
L406
1.5 H
L407
4.7 H
L12
4.7 H
R414
470
R412
1 R411
2.7 k [L], [ML]
3.3 k other
R413 4.7
R410 3.3k
L404
1.5 H
R32
1 k [MH]
6.8k other
R34
1k other
2.7k [H1], [H2]
R46
1
Q5
2SC5107 Q6
2SC5107
Q8 2SC4226
Q7
2SC4226
Q401
XP1214
Q402
DTC144EU
C30
12p
C28
12p
Q403
2SC5107
R18
47k
47p
3p
C452
C486
5p
C472
470p
C26
47p
C458
56k
R446
220
R445
100
R19
10k
R15
100
R14
L411
27nH
R17
4.7k
R465
22 [L], [ML]
47 other
C27
5p
C32
470p
R20
68k
R21
220
L9
27nH
L417
27nH [MH]
22nH [H1],
[H2]
[L], [ML]
C31
5p
C33
470p
C426
0.001
C417
0.5p
C412
5 p [L], [ML]
7 p other
C416
470p C415
0.01
C414
8p
C413
7p
C411
1.5p[L]
0.3p[ML]
4 p [MH]
3 p [H1],
[H2]
C410
11 p [L]
7p [ML]
12 p [MH]
10 p [H1],
[H2]
C427
0.5p
C473
47p
C424
470p
C422
7p [L], [ML]
6p [MH],
5p [H1],
[H2]
C421
4p [L]
6p [ML], [MH]
3p [H1], [H2]
C418
12p [L]
9p [ML]
8p other
C419
1p [L]
0.75p
other
C475
3.5p [L]
1.5p [ML] C423
6p [L], [ML]
5p [MH],
4p [H1],[H2]
R22
68k
R460
220
R23
220
Q4
2SC5107
C63
56p
X1
CR-576A
R45
100
R440
120k
C444
0.001
R50
100k R49
47k
R150
50k
R51
470k C69
33p
D7
HVU17
R48
100k
C72
4.7
C64
12p
D10
HVU350
R62
220k
C87
47p
C89
0.5p
C90
0.001 C99
0.001
C455
10p other
47p [H1], [H2]
C454
0.001 C449
47p
C405
7p [L]
6p [ML]
4p [MH]
3p [H1],
[H2]
C88
0.001
Q12 3SK239A
R400
4.7k
R402
47k
C79
2.5p
C459
47p [L], [ML]
4p other
C85
10p [L]
6p [ML], [MH]
4p [H1], [H2]
C86
6p [L]
5p [ML]
2.5p [MH]
3p [H1], [H2]
C457
2p
C77
56p [L], [ML]
3p [MH]
2.5p [H1], [H2]
C78
7p [L], [ML]
6p other
C76
4p [L]
7p
other
C448
15p [L], [ML]
12p [MH]
11p [H1], [H2]
D406
MA77 D8
MA77
D400
1SS375
C400
47p C401
47p
L17
8.8nH
L400
0.22 H
[L], [ML]
47nH
other
L413
27nH [L]
15nH [ML]
L401
17nH L15
17nH C402
8p
R59
150
C404
0.001 C403
47p
R401
100k
L18
8.8nH
L410
1 H
R403
4.7
R72
47k R469
2.7k
D11
HVU350
R66
150k
R69
1k R68
10k
R449
470
R447
470 R448
12
R64
220k R70
4.7k
D12
HVU350
L21
82nH [L]
47nH other
C92
9p [L]
7p [ML]
6p other
C97
7p [L]
5p [ML]
3p [MH]
2p
[H1], [H2]
L19
8.8nH
C91
9p [L]
7p [ML]
5p [MH]
4p [H1], [H2]
L402
8.8nH
C98
22p
C94
0.5p
C96
9p [L]
7p [ML]
6p
other
C108
0.01
C450
1p [W]
2p [N] C451
8p [W]
20p [N]
C474
0.01
C464
0.001
C107
0.001
C105
0.001
Q13
3SK241
L20
0.82 H
C106
10p [W]
6p [N] R77
100
3
2
1
4
5
R464
1k
R75
270
C109
10p [W]
8p [N]
FI1 FL-271 [W]
FL-267 [N]
R67
10k R65
10k
C95
47p C93
47p
C407
47p
T4
R63
10k C84
C406
10p [L]
8p [ML]
7p
other
R404
220k
R405
10k
T3 T2 T1
47p
R208
100k R209
100k
R422
220k
LV
Q34
2SK880
R184
10k
R186
47k
R185
1k
C234
0.001
C233
0.001
C432
0.001
C71
0.001
C446
47p
C70
0.01
+
100p
C115
4.7
C211 +
L415
EXCCL4532U
W8
MM
RM
LIGHT
L11
MC152-E558ANA-100051=P3 [L], [ML]
MC152-E558ANA-100050 other
AF
L1
Y655LY-03=P3 [L], [ML], [MH]
Y655LY-02M [H1], [H2]
R455
11-2 IC-F4/S
11-2
L1
L2 L3
[L], [ML]
only
R470
1 [MH], [H1], [H2]
R107
120k [N]-
e
150k [N]- u
270k [W]- e
330k [W]- u
R98
240k
e
270k u
Note
[ L ] ....... L-band (400 - 430 MHz)
[ML] ..... ML-band (440 - 470 MHz)
[ M H].....MH-band (470—500 MHz) [ H
1
] ..... H
1
-band (490—512 MHz)
[ H 2 ] ..... H 2 -band (490—520 MHz)
e
.... ETS/CEPT version
u .... EIA/TIA version
[ W ]..... W-type
[ N ]..... N-type
W12
R471 100
0.22
C500
PD3140GS
IC1
Q11
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC1
IN1
ENB
CLK
DATA
T1
LOK
CP1
FI1
FO1
GND1
IN2
VCC2
XB
XI
XO
GND2
CP2
FI2
FO2
2SC4081
TX: 0V
RX: 5.0V
5.0V
2.0V
3.0Vp-p
5.0V
5.0V
TX: 5.0V
RX: 0.4V
6.8 MHz
4.93V
4.95V
15.3 MHz
4.12V
2.26V
1.72V
TX: 1.26V
RX: 1.45V
TX: 0.70V
RX: 0.77V
TX: 0V
RX: 4.66V
TX: 1.82V
RX: 1.92V
TX: 4.04V
RX: 4.14V
TX: 3.20V
RX: 3.18V
TX: 3.48V
RX: 3.45V
TX: 3.62V
RX: 0.40V
TX: 0.64V
RX: 0.76V TX: 0.81V
RX: 0.77V TX: 0.63V
RX: 0.39V TX: 0.59V
RX: 0.40V
TX: 4.75V
RX: 0.40V
TX: 0.63V
RX: 0V
TX: 1.0V
RX: 0V
4.14V
2.20V
TX: 0V
RX: 4.8V
TX: 0V
RX: 2.9V
TX: 0V
RX: 1.62V
TX: 0V
RX: 4.95V
1.95V
0V
TX: 0V
RX: 0.77V
0V
TX: 0V
RX: 0.86V
6.9V (VR MIN.)—6.4V (VR MAX.)
9.6V
9.6V
(SW ON)
DTMF, 5 TONE SIGNAL ON
3.0V 3.0Vp-p
3.0V 3.5Vp-p
DTCS SIGNAL ON
CTCSS SIGNAL ON
LED ON : 5.7V
LEFT SIDE RIGHT SIDE CENTER