Icom IC-R2 board layout

9 - 1 LOGIC UNIT
R185
R26
IC2
R77
C42
R51
R50
R49
D1
R86
R35
R34
R33
R32
C51
C106
Q40
W2
IC11
R5
DS2
R100
R87
C39
R24
R89
R88
C40
IC5
D9
D8
D7
D6
D10
D14
C121
C24
IC3
C5
C35
+
+
++
C15
• TOP VIEW
• BOTTOM VIEW
Q11
R37
R23
R25
R79
C102
C123
Q3
R9
R68
C37
R8
R174
C96
L1
C98
C119
R183
C100
C103
R186
R114
C107
R52
Q38
R78
C41
R22
X1
C8
R173
Q39
R175
R182
R179
R67
R3
R1
Q6
C4
IC4
Q4
Q17
D4
IC10
C6
C120
R180
C9
R172
R94
C101
R181
R103
C114
R42
C13
R41
R141
R40
R153
C11
C76
D17
W3
C44
C108
R14
R92
R12
C3
R91
R18
R82
R48
C66
R118
C67
R119
R120
R124
R125
C73
C72
R128
R150
R129
C74
R90
R138
R133
R149
C91
R164
R166
C90
C80
R165
R137
R156
R113
W5
R112
R159
C82
Q35
C61
IC15
Q23
C89
Q36
Q37
C86
Q30
IC14
C88
+
+
++
IC1
++
C116
D13
C16
Q24
C118
C60
S8
C87
IC9
S10
J1
C17
C18
C19
Q26
C33
D5 D15
C48
C94
D3
C36
J2
C53
C79
C78
C92
C63
R123
C81
R108
C97
C58
R157
R161
+
++ ++
+
+
+
C1
C43
Q8
R38
R109
R132
C68
R121
C93
C52
R130
R126
C70
C71
R127
R122
R117
R136
R116
C65
C69
D16
R39
C12
C14
C77
C57
R140
R102
R184
Q31
+
+
S9
+ +
20
21
1
40
AM GND SDET RSSI WFMS GND GC 300MC 800MC GND GND UHFC VHFC TRAC B3 B2 GND
GND
GND
DBL2
DBL1
ATT
SHIFT
HFC
B1
GND
+3S
VP
PDAUL
PCK_IS
PSTB
GND
+3V
FSET
R3V
AMS
WFM
BATRY BATRY
J1 to RF unit J1
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