Icom IC-F3 Service Manual page 48

P97/SEG40
P96/SEG39
P95/SEG38
P94/SEG37
P93/SEG36
P92/SEG35
P91/SEG34
P90/SEG33
P87/SEG32
P86/SEG31
IC8
P85/SEG30
433875A40H [16 ch]
P84/SEG29
433875B26H [2-BANK]
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
R432 R236
100k 1k
R431
1k 2
C438
0.1
C439
0.1
DS2
LNJ310M6URA
LED ON : 5.7V
DS3
LNJ310M6URA
C256
0.001
Q25
2SC2712
LIGHT
R204
3.3k
R205
1.5k
75 SEG40
74 SEG39
73
SEG38
SEG37
72
71
70 SEG35
69 SEG34
68 SEG33
67
66
SEG31
65 SEG30
64 SEG29
DUSF
63
CTDA2
62
CTDA1
61
60 CTDA0
59
58
57
56
55
DST
54
AFON
53
LIGHT
52
51
T5C
R433 1k 4
LIGHT
R237
100k
C440 C441 C442
0.1 0.1 47p
C257
47p
TXC
COMPLETE VIEW
5V
VCC
C446
47p
R183
560
DS4
LNJ808R8ERA
R155
SCK
100
DS1
LM-1462B
COM1 1
COM1
COM2
2
COM2
COM3 3
COM3
COM4
4
COM4
SEG29 5
SEG1
SEG30 6
SEG2
SEG31 7
SEG3
SEG33 8
SEG4
SEG34 9
SEG5
SEG35 10
SEG6
SEG37 11
SEG7
SEG38 12
SEG8
SEG39 13
SEG9
SEG40 14
SEG10
SEG41 15
SEG11
SEG42
16
SEG12
SEG43 17
SEG13
SEG44 18
SEG14
SEG45 19
SEG15
SEG46 20
SEG16
SEG47 21
SEG17
SEG48 22
SEG18
SEG49
23
SEG19
SEG50 24
SEG20
SEG51 25
SEG21
SEG52 26
SEG22
AFOUT
DST
AFON
T5C
PTTOUT
MIC
Note
[L ] ....... L-band (400 - 430 MHz)
[ML] ..... ML-band (440 - 470 MHz)
[M H].....MH-band (470—500 MHz)
VCC
T5
R5
S5
R51 R50 R49
470k
100k 47k
FRQCON
C71
C70
0.001
0.01
CTCSS
R48
C72
R150
C444
100k
4.7
50k
0.001
LVIN
5V
R42
C55
1k 4
0.01
PLST
SO
C59
100p
UNLK
C58
100p
L14
15nH
R41
56
C60
0.001
C57
C62 C61
6p 6p 22p
MODCON
R5
S5
R44
C65
C52
1.2k
4p
0.01
R40
L13
680k
1 H
C66
C53
5p 4p
C51
10p
Q11
C123
R88
2SC4081
0.001
120k
R90
33k [W]
R92 R441
50k 10k [N] NTCCF20123NH
R87
C490 R89
1.8k [W]
220p 10k
3.3k [N]
VCC
R5
S5
5V
R131
470
R468
+
C154 Q17
6.8k e
10
UN911H
12k u
W1
C493
0.047 [L], [ML]
C147 0.027 other
0.1
R130
100k
W2
C209 C210
0.1 0.1
PTTIN
MICIN MICOUT
[ H ] ..... H
1
[ H ] ..... H
2
C234
15.3 MHz
0.001
C69
33p
R185
1k
D7
X1
HVU17
R45
CR-576A
100
R440
120k
R184
C64 C63
10k
12p 56p
1 20
VCC1 GND1
19
2
IN2
IN1
3 18
VCC2
ENB
17
4
XB
CLK
5
16
XI
DATA
15
6
XO
T1
14
7
R46
GND2
LOK
1
13
8
CP2
CP1
C443
12
9
C54
FI2
FI1 0.047
0.001
10 11
FO2
FO1
R34
IC1
C56
1k other
PD3140GS
0.1
2.7k [H ], [H
1
R84
TX: 0V
C67
L403
47
3p
RX: 4.8V
1.5 H
R85
IC2
1.5k
C117
FI2
TA31136FN(D)
10
CFWM450E [W]
CFWM450G [N] 1
OSCIN MIXIN
2
OSCOUT
GND
I
O
L25
3
MIXOUT
N-REC
0.82 H
4
VCC N-DET
5
IFIN RSSI
C121 6
DEC IFOUT
220p
7
QUAD
FILOUT
8
FILIN AFOUT
R86
120k [W]
100k [N]
C122
C120 C118
220p
0.001
0.1
AF
R452
IC3c
1k
NJM2902V
C132
0.0047
C217
10
+
0.1
8
9
—
C134
R104 150p [W]
100k 220p [N]
C133 R105 R108 R109
0.1 10k
270 [W] 150k [W]
470 [N] 180k [N]
VOL IN
1
2
R1
47
C4
0.
R3
1 k
6.8
C48
1
]
2
C4
47
16
15
14
13
12
11
10
9
NO
C12
0.0
C1
0.0
R1
3.9