Icom IC-F3, Service Manual

Page: 45 / 52

C18
Note
[ L ]..... L-band
[H]..... H-band e
.... ETS/CEPT version
u
.... EIA/TIA version
[ W ]..... W-type
[ M ]..... M-type
[ N ]..... N-type
ANT
C265
47p C264
47p
R237 1k
×
4
R236 1k
×
4
C266
47p C267
47p
C226
0.047 C246
0.033 C272
47p
C269
47p C268
47p C270
47p C271
47p
DST
DUSF
CTDA
T5C
S5C
R5C
AFON
TXC
RM
MM
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
R234
22k
LNJ310M6URA
DS2
LNJ310M6URA
DS3
LNJ808R8ERA
DS4
2SC2712
Q25
3.3k
1.5k
R205
R204
100
R155
560
R183
COM1
COM2
COM3
COM4
COM4
COM3
COM2
COM1
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
PLST
SCK
SO
UNLK
VCC
VCC
T5
R5
S5
0.001
R5 R5
S5 S5
15p
C51
L13
1 H
12p
C53
C290
15p
4p
C65
10p
C67
18p
C66
FI2
CFWM450E [W], [M]
CFWM450G [N]
R82
1.2k [W]
1.5k [M]
2.7k [N]
C116
82p [W], [M]
100p [N]
C110
9p [W]
11p [N], [M]
R91
390k [W], [M]
100k [N]
O I
1.5k
R85
R92
50k
R87
3.3k
R88
120k
C123
0.001
220p
C121
100k
R86
220p
C122
0.1
C120
1
C119
W9 W10 E
DET
F
0.01
C118
390
R84
TA31136FN(D)
IC2
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
1.5k
R81
R253
470
C117
100k
R244
0.01
0.033
0.001 0.001
0.01
C115
C114 C113 C112
2SC2714
Q14
C111
100k
R80
R79
560
NOIS
MODCON
DISCIN
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
D
C
UN911H
Q17
PTTOUT
MIC
PTTIN
MICIN MICOUT
0.01
C132
100k
R104
1k
R177
150
R105
0.1
C133
NJM2902V
IC3c
10
9
+
+
—
—
8
220p
C134
150k
R108
10k
R109
0.1
C217
0.01
C124
0.0022
C125
0.0027
C126
C286
0.0022
3.9k
R176
27k
R93
1M
R94
1M
R95
IC3b
NJM2902V
6
5
7
47k
R96
R257
1M
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
R5C MM
T5
5V
R42
1k
×
4
R41
47 [L]
100 [H]
L14
47nH [L]
82nH [H]
C62
18p [L]
9p [H]
C61
18p [L]
12p [H]
C60
0.001
C59
47p
C58
47p
C55
0.01
C57
47p C56
0.001
5V
LVIN
0.001
0.001
0.001
0.001
0.001
0.001
100
R15
MA77
D3
22p
C25
1
R16
C24
C26
0.001
1.2k
R11 C23
27 [L]
82 [H]
R10
3.3k
R12
2SC4226
Q3
15p
C22
C9
15k
R163
33
R13
1k
1k
R162
VCC
2SC4081
Q28
R3
0.15
R161
XP6401
3 2 1
4 5 6
C10
10k
100
R2
33
C21 C20
C19
L27
EXCCL3225U
L26
EXCCL3225U
R7
R8
4.7k [L]
12k [H]
R9
10k
R255
82k
R1
L6
47nH
0.001
0.001
0.001
C14
47p
C289
0.001
C281
39nH [L]
33nH [H]
L23
17nH
L4
Y655LY-03K=P3
L5
C204
0.001
C288
33p
C15
2SK2596
Q2
100
R5 R4
C17
0.001
C280
24p
C13
0.001
0.001
0.001
C12
2SK2595
Q1
56p
C11 15p [L]
39p [H]
C287
12p [L]
10p [H]
C80
5p [L]
3.5p [H]
C278
C205
MA77
D1
J1
12p [L]
10p [H]
5p
C4
5p
C2
C8
0.001
12p [L]
15p [H]
C7
18p
C5
20p
C3
7p
C1
S5
Q37
0.01
C179
3.9k
R210
0.1
C73
100k
R52
10k
R53
0.001
C243
180k
R54
330k
R251
0.01
C75
R55
1k
C291
0.001
—
+
2
3
1
4
11
NJM2902V
IC3a
L15 L22
20p[L]
18p[H]
C76
22p
C52
MA862
D8
D29
MA8030
100k
R167
1
C128
C148
0.01
1M
R112
R125
27k
C215
0.1
R171
47k
RM
TONE
BEEPOUT
CTCSS
SIGOUT
10k 10k
R168 R169
R170
10k
R44
10k
0.01
2.2
C212
220k
180k
180k
R97
R98
R107
R113
68k
C213
C214
0.033
120k R115
180p
C135
R114
22k [W], [M]
33k [N]
C137
0.027 [W], [M]
0.033 [N]
0.0039
C136 100k
R159
1k
R116
NJM2902V
IC3d
+
—
13
14
12
1.5k
R117
R119
300 k
0.001
C229
C284
0.0033 [L]
0.001 [H]
R249
47k
1.8k
R100
12k
R99
3.9k
R178
15
C129
AFON
AFONOP
VCC
2SB1132
Q15
68k
R145
1M
R120
XP6501AB
Q16
6 5 4
1 2 3
0.1
0.1
0.1
0.001
C139
1k
R121
C140
D26
DAN202U
3.3k
R123
2.7k
R122
C145
10
C146
C171
TA7368F
IC5
1
2
3
4
5
10
9
8
7
6
NC
VCC
NC
VIN
RIPPLE
POUT
PWGND
PREGND
PHASE
NF
10k R126
0.1
C149
VOL OUT
220
C153
33
R127
10
C150 47P
C151
10
R128
0.047
C152
AF OUT
DS1
LM-1462B
D4
MA77
0.1 H
L7
0.1 H
L28
68nH
Q9
L24
2.7 H
R160
150 C6
47nH
47nH
1LO
R83
470
L25
1 H
+
+
+
+
+ +
+
+
L3
LA-225 L2
LA-225 L1
LA-226
DTA144EU
TXC ISENS
T4
R217 1k
R231 10k
R230 27k
R229 68k
CTCSS
FRQCON
22
47
R19
390 R21
470 R23
680
C39
0.001
R31
1k R175
1k
R151
47k
C46
0.001
C50
10
C37
2p [L]
1p [H]
D19
MA111
R30
4.7k
Q11
2SC4081
R28
100
R27
470
C211
0.001
C49
0.68
C54
0.001
C218
0.001
R34
10 R32
560
C48
2.2
R33
2.2k
C47
0.1
R35
2.2k
R25
8.2k
C42
0.001 C44
0.001[L]
0.0033 [H]
D6
MA77
Q32 DTC144EU
R26
8.2k
L12
2.7 H
C38
1.5p
Q7
2SC4226
D28
MA77
D5
HVU350
D13
HVU350
R29
1k
C36
0.001
Q8
2SC4226
R24
220
L11
MC152-E558CN-100024
C45
330p [L]
100p [H]
C41
39p
C29
0.001
C32
0.001
C33
0.001
Q5
2SC4215
R20
68k
R18
39k
R14
4.7k
R22
68k
C35
0.001
R17
4.7k
L10
0.15 H [L]
0.1 H [H]
L9
0.15 H [L]
0.1 H [H]
L8
C27
18p
C28
12p
C30
22p
C31
5p
C34
0.5p
Q6
2SC4215 Q4
2SC4215
C63
56p
X1
CR-575A
e
CR-576A
u
R45
100
C70
0.01
R50
100k
R150
50k
R51
470k
C69
33p
D7
HVU17
R48
10k
C72
1
R49
47k
C64
12p
D9
HVU350
R57
1M
C79
4p
C81
100p
D10
HVU350
C235
0.75p
[L] only
R62
1M
C87
0.01
C89
0.001
C90
0.001
R187
100k
C88
0.001
R61
47
C138
0.001
Q12 3SK239A
R252
100k
C83
1p
C85
120p
C86
9p [L]
5p [H]
L17
54nH
C277
1.5p
R59
180
L18
33nH
C91
8p
R222
10k
C99
0.001
R72
10k
R69
100
R68
4.7k
D11
HVU350 D21
HVU350
R66
1M R64
1M
R70
100k
D12
HVU350 D22
HVU350
L21
47nH
C92
100p
C97
8p
L19
33nH
C98
5p
C102
15p
C100
15p C101
56p
C94
2p
C96
100p
L29
0.1 H
R5
S5
C108
0.01
C107
0.001
C105
0.01
C104
0.001
Q13
3SK166
L20
0.47 H
C106
56p
R77
100
R75
220
C109
0.001
FI1
FL-270 [W]
FL-268 [N], [M]
R67
100k R65
100k
C95
0.001
C93
0.001
T4
R63
100k
C84
T2 T3
R58
100k
C82
0.001
T1
0.001
R208
10k R209
10k
C78
10p
L16
54nH
CP1
Q34
2SK880
R184
10k
R186
47k
R185
1k
C234
0.001
C233
0.001
C71
0.1
PD3140GS
IC1
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
FO1
GND1
IN2
VCC2
XB
XI
XO
GND2
CP2
FI2
FO2
15.3 MHz
TX 174 MHz : 4.3V
RX 174 MHz : 3.6V
4.0V
3.6V
2.3V
4.8V
1.9V
0.9V 0V
0V
1.3V
7.0V
COMPLETE VIEW