![background image](http://html2.mh-extra.com/html/icom/ic-f3/ic-f3_service-manual_3641153044.webp)
C265
47p
C264
47p
R237 1k
×
4
R245
100k
R238
100k
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
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
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
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
CPU5
CPU5
CPU5
CPU5
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
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
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
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
S5
15p
C51
L13
1 H
12p
C53
C290
15p
4p
C65
10p
C67
18p
C66
FI2
CFWM450E [W], [M]
CFWM450G [N]
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
OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN
MIXI
GN
N-RE
N-DE
RS
IFOU
QUA
AFOU
MODCON
DISCIN
AFOUT
VCC
R5
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
150
R105
0.1
C133
NJM2902V
IC3c
10
9
+
—
2
C
150
R10
R
VO
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
COM1
KS0
KS1
KS2
KS3
KS4
KR0
KR1
KR2
KR3
KS5
DS1
LM-1462B
L25
1 H
+
R217 1k
R231 10k
R230 27k
R229 68k
CTCSS
FRQCON
C54
0.001
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
R
1
C
0
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
3.6V
COMPLETE VIEW
Summary of Contents for IC-F3
Page 2: ......
Page 52: ...iC 2800h...