Icom IC-M45 Service Manual

10 - 1
SECTION 10 VOLTAGE DIAGRAM
D
S
3
H
RS-7219-A-Y2 30
D
IM
C20
0.01
D
4
1
S
S
1
9
6
R
1
5
4
7
k
R
1
4
1
0
0
k
R
1
3
1
0
k
1
2
3
4
5
6
7
8
IC3
TC7W02F
R
1
1
6
.8
k
R
1
0
3
3
k
C
8
0
.0
1
R
1
2
4
7
k
Q2
2SA1162 GR
C
1
7
0
.0
1
R
2
1
0
0
k
D
2
1
S
S
2
7
2
R
3
1
0
0
k
Q3
2SC2712 GR
D
3
1
S
S
1
9
6
1
2
J
2
C
5
0
.0
1
R
1
1
0
k
C
4
0
.0
1
C
3
0
.0
1
K
E
Y
.M
C
1
6
0
.1
C
1
5
0
.1
C
1
9
0
.0
1
Q5
2SB1132Q
R
1
8
2
7
R
2
5
3
.9
k
R
2
6
2
.7
k
3
4
5
1
2
Q4
FMW1
R
2
3
5
6
k
R
2
0
6
8
k
R
2
2
3
9
k
R
2
1
4
7
k
R
1
9
2
7
L
A
M
P
1
L
A
M
P
2
R
2
4
1
k
C
2
1
0
.0
1
C
1
0
2
.2
P
A
T
T
E
R
N
S
W
IT
C
H
U
P
S
C
A
N
C
H
1
6
D
O
W
N
H
I/L
O
C
H
/W
X
B
.E
.
KEY.M
PTT.S
PTT
PTT.M
ICF.3
ICF.C
DATAM
DATAS
C
S
1
S
O
2
W
P
3
V
S
S
4
S
I
5
S
C
K
6
H
O
L
D
7
V
C
C
8
IC4
X25080SI-2.7
C
9
0
.0
1
R
1
7
4
7
k
R
1
6
4
7
k
C
K
D
A
T
A
C
1
8
0
.0
1
ESI
ECS
DS
2
H
RS-7219A-Y2 30
DIM
S31
S30
S29
S28
S27
S25
S24
S23
S22
S21
S26
S20
S19
S18
S17
S15
S14
S13
S12
S11
S10
S9
S8
S16
S7
S6
S5
S4
S3
S2
S1
S0
C
1
C0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
D
S1
LD
-HU
4549J-1
C
O
M
0
CO
M
1
SEG
0
SEG
1
SEG
2
SEG
3
SEG
4
S
EG
5
SEG
6
SEG
7
SEG
16
SEG
8
SEG
9
SEG
10
SEG
11
SEG
12
SEG
13
SEG
14
SEG
15
SEG
17
SEG
18
SEG
19
SEG
20
SEG
26
SEG
21
SEG
22
SEG
23
SEG
24
SEG
25
SEG
28
SEG
27
SEG
29
SEG
30
SEG
31
R
3
4
4
7
k
R
2
7
1
5
0
k
R
2
8
4
7
k
C
1
1
0
.0
1
L
B
A
T
T
H
A
N
G
R
3
2
4
7
k
R
3
3
4
7
k
R
3
1
4
7
k
LA
M
P
1
LAM
P2
TO
N
E
UNLK
SQ
L
P
T
T
B
E
E
P
S
P
+
S
P
+
S
P
–
S
P
–
H
A
N
G
IC
F
3
G
N
D
H
V
S
D
A
T
A
C
K
O
E
X
.S
T
B
P
.S
T
B
O
E
X
.O
E
U
N
L
K
T
X
D
E
T
S
Q
L
S
Q
L
V
P
T
T
.S
S
.M
E
T
E
R
T
O
N
E
G
N
D
D
A
T
A
M
D
A
T
A
S
G
N
D
F
.M
O
D
E
B
U
S
Y
5
V
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
J
1
to
M
A
IN
u
n
it J
4
W
3
O
P
C
-5
1
9
S
P
+
S
P
–
C
2
0
.0
0
1
C
1
0
.0
0
1
–
+
S
P
1
F
4
5
G
O
7
-4
W
1
W
2
45
123
IC2
S-80742SL-A6
R
9
1
0
0
k
R
7
2
2
0
k
D
1
1
S
S
1
9
6
R
6
4
7
0
k
C
7
0
.2
2
R
5
1
k
R
4
1
0
0
k
C
6
0
.0
1
Q1
2SC2712 GR
R
8
2
2
0
k
IC1
M38223M4-432-HP
S
E
G
9
6
1
V
L
1
8
0
S
E
G
8
6
2
S
E
G
7
6
3
S
E
G
6
6
4
S
E
G
5
6
5
S
E
G
4
6
6
S
E
G
3
6
7
S
E
G
2
6
8
S
E
G
1
6
9
S
E
G
0
7
0
V
C
C
7
1
V
R
E
F
7
2
A
V
S
S
7
3
C
O
M
3
7
4
C
O
M
2
7
5
C
O
M
1
7
6
C
O
M
0
7
7
V
L
3
7
8
V
L
2
7
9
C
1
2
0
.0
1
S
E
G
9
S
E
G
8
S
E
G
7
S
E
G
6
S
E
G
5
S
E
G
4
S
E
G
3
S
E
G
2
S
E
G
1
S
E
G
0
R
3
0
1
0
k
R
2
9
1
0
k
C
O
M
1
C
O
M
0
C
1
4
0
.1
P
4
3
/IN
T
1
2
1
P
1
6
/S
E
G
3
0
4
0
P
4
2
/IN
T
0
2
2
P
4
1
2
3
P
4
0
2
4
R
E
S
E
T
2
5
P
7
1
/X
C
IN
2
6
P
7
0
/X
C
O
U
T
2
7
X
IN
2
8
X
O
U
T
2
9
V
S
S
3
0
P
2
7
3
1
P
2
6
3
2
P
2
5
3
3
P
2
4
3
4
P
2
3
3
5
P
2
2
3
6
P
2
1
3
7
P
2
0
3
8
P
1
7
/S
E
G
3
1
3
9
(C
H
1
6
)
(C
H
/W
X
)
(S
C
A
N
)
(H
/L
)
(U
P
)
(D
O
W
N
)
S
E
G
3
0
S
E
G
3
1
B
.E
K
E
Y
1
K
E
Y
2
K
E
Y
3
K
E
Y
4
K
E
Y
5
K
E
Y
6
H
A
N
G
R
E
S
E
T
S
Q
L
U
N
L
K
T
O
N
E
L
A
M
P
2
L
A
M
P
1
SEG
29
SEG
28
SEG
27
SEG
26
SEG
25
SEG
24
SEG
23
SEG
22
SEG
21
SEG
20
SEG
19
SEG
18
SEG
17
SEG
16
SEG
15
SEG
14
SEG
13
SEG
12
SEG
11
SEG
10
41
42
43
44
45
46
47
51
50
49
48
52
53
54
55
56
57
58
59
60
P15 /SEG
29
P14 /SEG
28
P13 /SEG
27
P12 /SEG
26
P11 /SEG
25
P10 /SEG
24
P07 /SEG
23
P06 /SEG
22
P05 /SEG
21
P04 /SEG
20
P03 /SEG
19
P02 /SEG
18
P01 /SEG
17
P00 /SEG
16
P37 /SEG
15
P36 /SEG
14
P35 /SEG
13
P34 /SEG
12
SEG
11
SEG
10
P44 / RXD
P45 / TXD
P46 / SCLK
P47 / SRDY
P50 / INT2
P51 / INT3
P52 / RTP0
P53 / RTP1
P54 / C
NTR0
P55 / C
NTR1
P57 / AD
T
P56 / TO
U
T
P60 / AN
0
P61 / AN
1
P62 / AN
2
P63 / AN
3
P64 / AN
4
P65 / AN
5
P66 / AN
6
P67 / AN
7
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
2
1
3
D
ATAS
DATAM
ECS
ESI
CK
DATA
P.STB
O
EX.STB
O
EX.C
E
IC
F.C
BEEP
PTT.S
KEY.M
SQ
LV
TXD
ET
PTT.M
S.M
ETER
BU
SY
F.M
O
D
E
C
1
3
0
.0
1
NCOUT
VDD VSS
NC
X1
PBRC 4.91 BR
from Microphone
2
.4
V
1
.2
V
D
IM
3
: 9
.8
V
D
IM
2
: 6
.3
V
D
IM
1
: 3
.6
V
O
F
F
: 0
V
10-1 LOGIC UNIT

Icom IC-M45 Specifications

General

Brand	Icom
Model	IC-M45
Category	Transceiver
Language	English