Rf Unit - Icom IC-R3 Service Manual

9-4 RF UNIT

•
TOP VIEW
J5
1 2
AFIN FMTV5
B1C TRAC
3 4
to FM-TV unit J1
20
J1
21
to LOGIC unit J1
J1
C114
C104
R54 L21
Q42
R27
CP1
Q45
R29 C60
C303
Q44
Q43
R31
D77
D52 D51
L4
C22
R7
D12 D13
C10
C21
L2
C20
D2
D911
TRAC
L1
R959
C11 GND
D909
C963 C936
L914
RFI L807
D1
C964 C935
C813 C815
L912
AGC
L806
C933
9 - 7
1
1 3
J7
40
to FM-TV unit
1
R934
R933
C937
R910
FI905
R104
FI902
R103
FI3
C94
C93
R16
C28
C35 C36
C25
L39
C37
R14
L802
C808
C811
R113
R808
30M
C806
D853
108M
C855
R850 GND
C858
L854
L852
RFO
C861
R851
174M
R854
65M
J3
J4
R875
CP6
C175
C373
Q872
Q867
Q5
REF
C273
RSET
VP
IC5
C274
SHIFT
Q869
Q53
GND
1stLO
LV1
C174
C984
+3V
RSTB
C305
C302
R877
C915
L906
C931
C177 PCK
C930
C176 PDA to FM-TV unit
W2
C913
2ndLO
R912
R3V
D902
C914
CONV
D906
GND
R256
LV3
C152
C153
CONLO
GND
R941
C983 Q913
C947
CP5
J6
1
SIFOUT
GND
IFIN
3