Icom IC-R3 Service Manual

12 - 2
12-2 RF-B UNIT
AGC
AGC
AGC
AGC
RFI
RFI
RFI
RFI
RFI
RFI
RFO
RFO
RFO
RFO
C411
0.01
L404
0.56 µH
D404
MA2S077
C408
0.01
R404
220 k
30–65 MHz
C401
0.01
R409
2.2 k
L401
0.56 µH
L402
0.56 µH
D403
MA2S077
R403
47 k
C403
0.01
R401
100 k
D401
1SV288
C402
0.01
R402
68 k
L403
1 µH
R405
100
C406
0.01
R504
220 k
C407
0.01
C405
0.01
C404
0.01
Q401
3SK293
C409
0.01
C410
0.01
D402
1SV288
R408
100 k
R407
100
C508
0.001
C511
0.001
L504
0.15 µH
R410
2.2 k
D504
MA2S077
L405
0.56 µH
30M
TRAC
TRAC
TRAC
TRAC
65M
C611
0.001
R510
2.2 k
L505
56 nH
L604
82 nH
D604
MA2S077
C509
0.001
C510
0.001
D502
1SV288
R508
100 k
R507
100
C608
3 P
C504
0.001
C506
0.001
L503
1 µH
R604
220 k
C507
0.001
R505
100
C505
0.001
Q501
3SK293
R611
10
C503
0.001
R503
47 k
D501
1SV288
R501
100 k
R502
68 k
C502
0.001
65–108 MHz
C501
0.001
R509
2.2 k
L502
0.15 µH
L501
56 nH
D503
MA2S077
108–174 MHz
C601
0.001
R609
2.2 k
D603
MA2S077
L601
33 nH
L602
0.1 µH
R603
47 k
R601
100 k
D601
1SV286
R602
68 k
C602
0.001
C603
10 P
C604
0.001
R704
220 k
C607
0.001
C605
0.001
Q601
3SK293
R711
22
C606
0.001
R605
100
R606
270
C609
0.001
C610
0.001
L603
1 µH
R608
100 k
R607
100
D602
1SV286
C708
0.001
C711
0.001
L704
47 nH
R610
2.2 k
D704
MA2S077
L605
33 nH
108M
174M
L705
15 nH
R710
2.2 k
C709
0.001
C710
0.001
D702
1SV286
R708
100 k
R707
100
C704
0.001
C706
0.001
L703
1 µH
C707
0.001
R705
100
C705
0.001
Q701
3SK293
C703
0.001
R703
47 k
R701
100 k
D701
1SV286
R702
68 k
C702
0.001
174–225 MHz
To RF unit
To RF unit
C701
0.001
R709
2.2 k
L702
47 nH
L701
15 nH
D703
MA2S077
1
2
3
4
J3
1
2
3
4
5
6
J4
TRAC
AGC
30M
108M
174M
65M
RFO
RFI
1.9 V
1.9 V
1.9 V
1.9 V
3.0 V
3.0 V
3.0 V
3.0 V
2.4 V
2.4 V
2.4 V
2.4 V
0.6 V
0.6 V
0.6 V
0.6 V

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English