Icom IC-R3 Service Manual

12 - 3
12-3 FM-TV UNIT
C16
2 P
C17
27 P
R9
390
R10
680
R8
6.8 k
R6
10 k
15
16
17
18
19
20
21
22
23
24
25
26
27
28
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC2 AN8945SB
C4
100 P
C61
0.1
C18
0.1
R78
10 k
R77
6.8 k
CP1
IF MONI
R3
47
C19
0.001
C20
0.001
R2
10
R1
2.2 k
D1
MA2S077
C1
0.001
C21
1
1
3 4 5 6 7 8
FI1
LFSC25N12B0426B
C2
0.001
4
1
2
3
IC1
µPC1688
C3
0.001
R4
47
C5
0.001
C13
0.1
C10
0.1
C11
0.1
C12
0.1
D2
MA376
D4
MA376
L2 7.5 nH
L1
3.3 nH
R12
100
R13
100
R16
2.7 k
R14
39
R15
820
L3
0.1 µH
R40
47 k
D3
MA2S111
C28
0.1
R35
10 k
Q23
UN9213
R38
10 k
R39
10 k
R28
100
C24
22
C25
22
R31
3.3 k
C32
0.1
R30
5.6 k
R81
10
R24
100
Q21
2SC4081 S
R21
100 k
R23
470
C22
180 P
IFIN
GND
L21
1 µH
C76
47 P
R55
100
C26
33
C27
0.1
IN2
1
G1B
2
V-
3
OUT2
4
OUT1
5
V+
6
G1A
7
IN1
8
IC21
µPC1663GV
R33
3.3 k
C29
4.7
C30
4.7
VIN1
1
SW1
2
VIN2
3
SW2
4
VIN3
5
V+
6
VOUT
7
GND
8
IC22
NJM2246M
R36
150
R37
150
C31
0.001
B1
C57
0.01
TRAC
FMTV5
1
2
J1
R54
100 k
D52
1SV288
D51
1SV288
L52
0.56 µH
C77
0.01
R53
560
R52
10 k
L51
100 µH
Q51
2SC4215 O
C50
0.1
C53
220 P
C54
220 P
R51
12 k
C55
68 P
C42
100 P
R41
1 k
C52
0.1
C51
22 P
C41
0.001
L41
1 µH
R43
330
Q41
2SC4215 O
R44
4.7 k
R42
5.6 K
C44
0.01
C43
0.01
R47
4.7 k
R46
100
D41
MA2S077
VIDEO
AFOUT
To RF unit J7 To RF unit J6
GND
C73
1
C72
0.1
C75
22
R75
1.2 k
R73
1 k
Q71
2SC4081 S
C71
0.1
C74
4.7
R79
10 k
R71
330 k
C90
0.018
R74
220
C45
0.01
R45
560
2
AFIN
To RF unit J5
SIFOUT
3
4
3.0 V
2.4 V
4.5 V
2.1 V
0.5 V
1.1 V
2.9 V
3.8 V
2.0 V
1.5 V
1.5 V
4.4 V

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English