Icom IC-R3 Service Manual

SECTION 9 BOARD LAYOUTS
9 - 1
9-1 VCO AND RF-B UNITS
9-1-1 TOP VIEW
•
VCO UNIT
•
RF-B UNIT
C971
R949
R943
C959
C968
GND
CONLO
LV3
GND
CONV
R3V
2ndLO
PDA PCK
PSTB
+3V
LV1
1stLO
GND
SHIFT
VP
FSET
REF
R940
C960
C955
R948 C958
L918
Q862
L920
Q863
C79
C78
L45
R119
R120
C182
R123
C163
D61
C161
R126
R50
C156
C178
R163
R124
R129
C140
C138
R154
C259
R922
C260
C251
R90
C957
R947
R946
R944
R122
D202
D201
C250 C154
Q853
Q33
L69
Q861
L917
L919
C956
D913
L68
Q34
Q22
L63
Q21
L65
IC4
C162
L62
L64
Q23
D41
C136
C82
C254
C80
C253
R921
C255
C183
R188
R160
C157
C158
C166
R127
C160
R38
R39
R40
R52
C180
R104
C164
D62
R162
C165
R125
C249
R923
C81
C252
R121
C173
C965R941
R945
C967
C964
C969
C710
C610
R606 C608
C609
C611
R710
C706
C705 R705
C605
R605
C604 R604
R702
R701
C707
R709
C701
R602
R601
R603
C702
C603
C602
R608
R607
C606
C610
D702
D602 D601
D701
D703
D603
C607
C709
D604
D704
C711
L605
L705
L704
L602
L702
L604
Q601
L601
B5372E
L701
L603
R611
L703
Q701
C704
R708
C708
R707
R711
C703
R703
C601
R609
TRAC
GND
RFI
AGC
30M
108M
GND
RFO
174M
65M
R704

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English