Icom IC-R3 Service Manual

9 - 2
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RF-B UNIT
9-1-2 BOTTOM VIEW
•
VCO UNIT
R69
C125
R45
R970
R971
R44
1
2
3
J2
J1
C972
C974
L923L924
L921
L922
C132
Q864
L925
Q871
C127
Q870
C991
C126
C133
IC3
C134
EP101
EP100
Q25
X1
Q32
Q31
C130
C131
C128
C976C978
R950
C983
R951
C145
R41
R42
R43
D42
C124
R89
R46
C100
C257
C256
R197
R198
C139
C137
R47
C129
C984
C973
C975
C977
C979
C981
C982
R952
R972
C122
C121
C123
R88
R87
C258
R195
R196
C237
R128
R49 R48 C135 R51
REF FSET VP SHIFT GND 1stLO LV1 +3V PSTB
J1 to RF unit J2 to RF unit
19
PCK PDA 2ndLO R3V CONV GND LV3 CONLO GND
19
C410
C408
C507
R507
R410
C411
C409
R408
C406
C506
C404
R404
R402
R401
R409
C401
C501
C402
C505
R505
R502
C502
C509
C511
R510
D504
D404
C510
R508
C405
C508
L404
J4
L502
L402
L401
J3
D501
L504
L505
L405
D402
D502
L403
L503
Q401
Q501
L501
D401
C503
R407
C403
R403
R405
R504
C504
R501
R503
D403
C407
R509
D503
30M
108M
GND
RFO
174M
65M
J4
to RF unit
1
6
TRAC
GND
RFI
AGC
J3
to RF unit
1
4

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English