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IC-F70T
Icom IC-F70T Service Manual
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R
A
O
B
T
N
A
4
-
9
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d
n
a
b
w
o
L
(
W
E
I
V
P
O
T
•
H5
H10
H0
V5
V10
V15
V0
D
N
G
to MAIN unit
T
N
A
D
N
G
ANT
GND
)
S
I
S
S
A
H
C
(
1
J
0
1
H
5
H
0
2
H
5
1
H
0
3
H
5
2
H
0
4
H
5
3
H
0
5
H
5
4
H
0
6
H
5
5
H
0
7
H
5
6
H
0
8
H
5
7
H
0
9
H
5
8
H
0
0
1
H
5
9
H
0
1
1
H
5
0
1
H
0
2
1
H
5
1
1
H
5
2
1
H
0
H
5
V
0
1
V
5
1
V
0
V
5
2
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0
3
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5
3
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0
2
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5
4
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0
4
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2
1
1
1
7
4
1
8
3
1
1
7
4
1
8
4
2
1
4
8
5
T
T
A
B
from FUSE board J1
D
N
G
D
N
G
to ANT board
T
N
A
D
N
G
R
O
T
I
N
O
M
T
T
P
N
W
O
D
P
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,
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6
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1
4
8
5
1
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n
u
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D
o
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2
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GND
5V
VCC
DMMT
DAFON
NC
DRMT
NC
DAFO
NC
CCS
IRQD
CSO
DCSI
CCK
5
1
1
6
1
0
3
PTTI
DPTT
DMO
DMI
RSSID
BUSY
NC
NC
NC
NC
DFIL
GND
NC
DTXD
DRXD
t
i
n
u
l
a
n
o
i
t
p
O
o
t
1
J
GND
CPU5
VCC
AMMT
AFONO
BEPO
ARMT
DISC2
AFOUT
REM
CCS
IRQA
CSO
ACSI
CCK
5
1
1
6
1
0
3
PTTI
PTTO
MCOT
MCIN
NC
BUSY
NC
SIG
OPT1
OPT2
OPT3
GND
OPV3
OPV2
OPV1
0
3
1
1
J
t
i
n
u
T
N
O
R
F
o
t
3
J
GND
MIC
SP+
VCC
VCC
OPTV
AFVI
VO
XOUT
PWRSW
KR
EM
PTTI
PTTSW
MCON
SPCON
AFON
FSDA
FSCL
GND
RESET
XTXD
XRXD
RESB
R8
R4
R2
R1
+5V
+5V
EXPTT
3
-
9
T
I
N
U
N
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A
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2
-
9
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0
1
H
5
H
5
1
H
0
H
5
V
0
V
BA
TT
k
c
a
p
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r
e
t
t
a
b
m
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f
t
i
n
u
N
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A
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o
t
GND
BA
TT
-
BA
TT+
)
d
n
a
b
h
g
i
H
(
W
E
I
V
P
O
T
•
H5
H10
H0
V5
V10
V15
V0
D
N
G
to MAIN unit
T
N
A
D
N
G
ANT
GND
)
S
I
S
S
A
H
C
(
1
J
32
34
Table of Contents
Default Chapter
3
Table of Contents
3
Specifications
4
Inside Views
5
Disassembly Instructions
6
Circuit Description
7
Receiver Circuits
7
Transmitter Circuits
9
Receive Circuits
10
Pll Circuits
10
Power Supply Circuits
10
DIGITAL CIRCUIT (IC-F80DT/DS Only)
11
Port Allocations
11
Adjustment Procedures
13
Preparation
13
Software Adjustment
16
Section 9 Board Layouts
20
Section 8 Semiconductor Information
20
Parts List
20
Front Unit
20
Main Unit
21
DSP UNIT (IC-F80DT/DS Only)
26
Vr Board
27
Section 11 Voltage Diagrams
31
Section 10 Block Diagram
31
Front Unit
31
DSP UNIT (IC-F80DT/DS Only)
35
Other manuals for Icom IC-F70T
Instruction Manual
48 pages
Service Manual Addendum
9 pages
4
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Icom IC-F70T Specifications
General
Brand
Icom
Model
IC-F70T
Category
Transceiver
Language
English
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