Icom IC-R3 Service Manual

9 - 7
9-4 RF UNIT
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TOP VIEW
C104
R925 C906
C114
Q42
Q45
D77
D51D52
C2
C10
C81 C82
L6
L1
L914
L912
L911
C11
D909
R959
R14
R18
R16
R850
R851
R854
C936
C935
C963
C25
C28
C808
C811
C858
C861
C988
C982
C983
R941
C947
C979
R808
R113
R256
R257
R255
C93
C35
C94
C36
C37
C21
C22
C813 C815
C20
C964
C933
C934
C932
D1
L7
C3
Q44
L4
L2
L802
L807
L852
L806
TRAC
30M
108M
GND
RFO
174M
65M
GND
RFI
AGC
L851
L801
L803
L853
L854
L855
Q851
W1
W2
Q801
Q868 Q866
Q913
L804
L805
L3
L5
Q7
L39
L61
L60
IC1
Q43
Q867
Q5
Q53
L906
W3
Q865
Q869
Q54
IC10
C958
C173
Q52
Q872
S1
J4
CP6
CP5
J1
J7
J3
CP1
FI3
FI2
J2
B5370E
FI901
J6
J5
L21
FI905
IC5
FI902
FI904
L902
C911
C924
C917
R926
R910
R930
R929
R923
R933
R934
C273
C307
C302
C915
C305
C930
C177
C176
R877
R878
C985
C931
C913
R912
D902
C914
C152
C153
C984
C174
C373
C274
C175
R876
R875
C993
C925
Q855
C919
C937
R54
R27
R104
R75
D74
R103
R105
C60
C303
R29
R31
R55
R62
R28
R30
R179
R7
R8
R960
D2
D12
D21
D805
D801
D803
D851
D853
D13
D911
R178
C63
C66
C68
C23 C24
C26
C27
C802
C801
C853
C851
C806
C855
C812
C814
C816
C854
C852
C856
C859
C860
D852
C857
C804
C817
C805
C31
C809
C807
R810
C810
C818
C803
C30
C401
C33
C38
C942
C234
C70
D22
C32
C67
C363 C921
R962
R13 R12
R802
R804
R852
R855
R807 R806
R805
R15
R17
R74
R77
R374
R859
R857
R860
R858
R801
R809 R800
R11
R965
C19
R241
R177
C61
C115
R52
D854
D802
D23
D804
D24
D907
1
D906
VIDEO
VP
FSET
GND
108MC 330MC
TRAC
174MC
DBLOFF
PGSTB
SPG
GND
AMAF
SDET
CONVC
FMAF
RSSI
NC
HV HV
J1
to LOGIC unit J1
BGND BGND
AM
WFM
AFO
INTSP
ATT
CLONE
HFC
EXPSTB
+3V
PDA PCK
PSTB
LVC
TVIF5
RXC
R3V
DUD
DCK
20 1
21 40
VIDEO
GND
AFOUT
13
J7
FMTV5
TRAC
J5
1
3
2
4
to FM-TV unit J1
to FM-TV unit
SIFOUT
GND
IFIN
J6
1
3
to FM-TV unit
AFIN
B1C
REF
RSET
VP
SHIFT
GND
1stLO
LV1
+3V
RSTB
PCK
PDA
2ndLO
R3V
CONV
GND
LV3
CONLO
GND

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English