Icom IC-756proIII Service Manual page 82

• TUNER UNIT
(TOP VIEW)
V0 V5 V10 V15 V20 V25 V30 V35 V40
L9
L10
GND
3.5M
5M
7M
10M L14
14M
18M
24M L13
VHF
GND
GND
RL11
14V
14V C43
CO3
CO2
CO1
NVHF
CI3
C42
CI2
CI1
GND
GND
C37
RL2
C35
V45 V50 V55 V60 V65 V70 V75 V80 V85 V90 V95 V100
L11
L12
RL9
C33
L2
C18
C61
C60
C59
C58
C57
C56
C55
C54
IC2
L1
C41
C40
R42
R41
RL14
IC1
RL1
C34
MP9
8 - 11
ANT1
• CTRL UNIT
(TOP VIEW)
V0 V5 V10 V15 V20 V25 V30 V35 V40
D20
L22
R84
IC9
R92 R86
R87
C56
C60
R219
C305
C306
L303
C91 R126
C92 R127
GND
L34
GND C96 R131
L8S
C94 R129
L7S
L3S C93 R128
L6S
IC12
C95 R130
L5S
L1S C97 R132
L2S
C220 R133
L4S
L33
R148
R122
R124
IC11
R125
R123
CMCK
CMDT
FSTB
GNDL
IKEY
R99
ISTA
GNDL R98
DRES
ANTS
IC13
REFV
FORV
L31
GND
-8V
GND
5V L30
5V
GND
L32
T8V
GND
14V
14V
14V
L29
ANT2
V45 V50 V55 V60 V65 V70 V75 V80 V85 V90 V95 V100
J2 C303
C66
C65
C301 C302
C64 C63
R154
R153
R150 D23
R152
D22
C109
D16 Q13 Q12
BROWN
J3
C228
R16 R41
C15
1 D 2 D
C13
D8 D9
C14
C5
C2
C20
R4
C3
D5
C229
Q5
R17
C7
R5 R100 C38
R139
R101
R7 R46
R8
R48
C101
R137 C39
R53
R51
C102
R50
C9
R138 R141 IC4
C8
R14 R13
R35
R34
C69
R33
C70
D3
C30
IC2
R31
L2
C27
C21
C26
C25
R143 R144
L3
R26 C24
IC3
L5
L10
C45 W3
C209
R11
R67
R64 R113
R61
C71
R62 D25
R63
Q51
R66 C52
R112
C49 R105
R110
R106
C51 C47
C53 W3
D13
C48
R71
R107
X1
Q59
R216
J 1 0 J 1 1 R215
R214
R218
R213
R217
R212
C215 R211
GND
3.5M
5M
7M
10M
14M
18M
24M
VHF
GND
GND
14V
14V
CO3
CO2
CO1
NVHF
CI3
CI2
CI1
GND
GND