Icom IC-756PRO2 schematics

AB

C

10

J351

W351
W352

TBP-P01X-A1

TMP-P01X-A1

24FMN-BMTTR-TBT

TBP-P01X-A1

TBP-P01X-A1

TBP-P01X-A1

TBP-P01X-A1

TBP-P01X-A1

TBP-P01X-A1

P701

1LOA

TMP-P01X-A1

J651

W651
W652

1LOB

TMP-P01X-A1

W81

J81

W82

2LO

TMP-P01X-A1

J851

W851
W852

MKR

TMP-P01X-A1

W901

J901

W902

S2LO

TMP-P01X-A1

J801

W801
W802

S3LO

TMP-P01X-A1

3
L
O

J701

W701
W702

J211

TMP-J01X-V6
3
L
O

L

L

D

Y

RGBH

V

F

M

R

O

S

S

M

F

E

B

Y

Y

D

D

S

I

N

N

C

C

J891

12 34 56 78 910111213141516171819202122232

W10

D

9

PLL

8

G

G

1

P

C

C

C

D

P

5V5VNC8

1

U

N

N

N

4

S

O

O

O

R

S

V

4

N

C

D

D

V

E

N

N

N

E

T

V

L

L

2

1

0

S

B

K

12 34 56 78 91011121314151

7

C

6

G

G

N

N

N

C

D

D

6

J1
16FMN-BMTTR-TBT

6

W8

1011121314151

J841

123456789

16FMN-BMTTR-TBT

1

P

C

C

C

D

P

5V5VNC8

1

U

4

S

O

O

O

R

S

V

4

N

V

E

N

N

N

E

T

V

L

L

2

1

0

S

B

K

5

24FMN-BMTTR-TBT0

J301

4

J801

2

2

1

1

B

4

LCD

J802

3

2

A

FRONT

S2B-PH-SM3-TB

2

2

1

1

S2B-PH-SM3-TB

J531

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

24FMN-BMTTR-TBT

MKE-250-2

MAIN

L

L

S

Y

RGBH

V

F

M

R

O

S

S

M

F

E

B

Y

Y

D

D

S

I

N

N

C

C

NC
L5V
HD
VD
NC
POLC
NC
NC
GND
NC
L5V
RL
GL
BL
VCOM
GND
NC
L/R
U/D
NC
NC
N/P
L18V

-15V

5

G

M

M

V

N

U

D

F

D

P

N

J101

1234

B04B-EH-S

1234

5

G

M

M

V

N

U

D

F

D

P

N

EP1

1

AB

8 7 6 5 4 3 2 1

C

DE

J561

P351

1LOA

TMP-J01X-V6

J661

P651

1LOB

TMP-J01X-V6

J901

P81

2LO

TMP-J01X-V6

J481

P851

MKR

TMP-J01X-V6

J831

P901

S2LO

TMP-J01X-V6

J841

P801

S3LO

TMP-J01X-V6

TBP-P01X-A1

B

M

M

T

S

C

D

/

T

K

A

R

B

T

2
I
F

J741

2

W741
W742

P741

TMP-P01X-A1

J101

12 34 56 78 9

T

TMP-J01X-V6

/
R
2
I
F

B

M

M

S

C

D

T

K

A

B

T

G

G

G

G

NCNC-

-

N

NCN

1

1

1

+

N

N

N

N

8

8

C

C

4

4

4

1

D

D

D

D

V

V

V

V

V

8
V

AXK5S30235P

4

10111213141516171819202122232

123456789

1

1

1

G

G

G

N

N

N

D

D

D

12 34 56 78 91

10FMN-BMTTR-TBT

1
0

J1

NCN

+

-

-

NCNCN

4

4

4

C

1

8

8

C

V

V

V

8

V

V

V

R

R

G

5

G

G

G

G

G

G

U

D

N

V

N

N

N

N

N

N

P

N

D

F

D

D

D

D

D

D

J120

0

10FMN-BMTTR-TBT

W4 W6

123456789

G

G

G

G

R

R

G

5

G

G

N

N

N

N

U

D

N

V

N

N

D

D

D

D

P

N

D

F

D

D

G
N
D

RITDIAL

D

J111

JPJ2042-01-110

RF

G

S

B

B

S

R

T

N

C

L

L

A

A

R

D

P

A

B

T

N

V

L

V

V

V

S

I

1011121314151617181920212

G

S

B

B

S

R

T

N

C

L

L

A

A

R

D

P

A

B

T

N

V

L

V

V

V

S

I

J3503

F
5
K

12 34 56 78 91011121314151

16FMN-BMTTR-TBT

6

J1

F
5
K

MODE

R

X

A

V

N

R

T

T

5VR

T

NCN

NC-

8

8

C

5

V

V

V

-

5VR

T

NCNCN

5

8

8

C

V

V

V

G

G

G

N

N

N

D

D

D

16171819202122232425262728293

5

V

V

Y

C

C

T

C

C

E

V

V

B

C

C

Y

C

C

T
E

16171819202122232425262728293

G

G

G

N

N

N

D

D

D

AXK6S30535P

F

E

S

F

F

F

F

I

X

P

1

2

3

4

L

T

E

K

K

K

K

K

K

K

16FMN-BMTTR-TBT

1011121314151

S

F

F

F

F

E

F

P

1

2

3

4

X

I

E

K

K

K

K

T

L

K

K

K

A
L
C

A
L
C

G
N
D

R
E
S
E
T

R
E
S
E
T

G
N
D

A
M
K

A
M
K

1

8VA

G
C

8VA

G
C

G

A

N

1

D

0
f

G
N
D

G
N
D

A

G

1

N

0

D

f

S

C

S

W

B

K

K

S

C

S

W

B

K

K

TMP-J01X-V6

TMP-J01X-V6

1

1

4

4

V

V

J951

1234567891011121314151617181920212

22FMN-BMTTR-TBT

J811

2

22FMN-BMTTR-TBT

1

1

4

4

V

V

A

A

A

A

1

1

1

1

3

2

1

0
s

2

A

A

A

A

1

1

1

1

3

2

1

0
s

J1

G

5

K

K

N

V

I

I

D

F

1

2

6

123456789

G

5

K

K

N

V

I

I

D

F

1

2

E

1

R
E

2

V
I
S
S

3

I
O
N

4

S

5
6

J101

P2

RX

TMP-P01X-A1

W15

OPC-699

P

G

G

G

N

N

N

D

D

D

H

R

R

W

D

D

R

s

f

R

R

H

D

D

W

f

s

R

G

G

G

N

N

N

D

D

D

AXK6S30635P

A

J1

O

PAI

TBP-P01X-A1

D8D9D

D

D

D

D

D

G

G

1

1

1

1

1

1

N

N

0

1

2

3

4

5

D

D

0

12345678910111213141

D7D6D5D4D3D2D1D0G

G

N

N

D

D

D7D6D5D4D3D2D1D0G

G

N

N

D

D

123456789101112131415

0
D8D9D

D

D

D

D

D

G

G

1

1

1

1

1

1

N

N

0

1

2

3

4

5

D

D

J2

J151

P1

PAI

TMP-P01X-A1

W9

A

A

A

A

A

1

1

5

4

A

A

1

1

5

4

G

G

1

1

1

N

N

8

7

6

D

D

16171819202122232425262728293

0

12345678910111213141

5

A9A8A7A6A5A4A3A2A1A0B

C

C

S

S

s

f

C

C

A9A8A7A6A5A4A3A1A0A

S

S

f

s

123456789101112131415

16171819202122232425262728293

0

G

G

A

A

A

N

N

1

1

1

D

D

8

7

6

EP501

FHV

FHV

F4053A

EP502

FGND

FGND

F4053A

J1

P2

PAO

TMP-J01X-A2

TMP-P01X-A1

J2
TBP-P01X-A1

G
N
D

12 34 56 78 910111213141516171819202122232425262728293

0

G
N
D

J3504
AXK5S30235P

G

G

G

G

N

N

N

N

D

D

D

D

G

G

G

G

N

N

N

N

D

D

D

D

G

G

G

G

G

G

N

N

N

N

N

N

N

D

D

D

D

D

D

D

5VHVG

G

G

G

G

N

N

N

N

N

N

C

D

D

D

D

D

MAIN

1

5V5VHVG

4
V

1

5

4

V

V

MEMORY

DISPLAY

S

1K3K7K1

1

1

2

2

2

5

G

F

M

M

G

G
N
D

G
N
D

J201

P

N

R

D

K

12 34 56 78 91011121314151

16FMN-BMTTR-TBT

6

J1

G

M

N

P

D

R
K

P
W
K

M
P
W
K

E

I

N

N

K

K

F

G

I

E

N

N

K

K

1

4

8

0

K

K

K

K

16FMN-BMTTR-TBT

1011121314151

5

2

2

2

0

8

4

1

K

K

K

K

P

0

4

8

L

K

K

K

K

J221

6

W7

123456789

1

1

1

7K3K1KS

8

4

0

P

K

K

K

L
K

TEN-KEY

.
.
.
.
.
..

FG
.
.
.
.
.

N

P

G

G

G

G

R

T

G

G

O

B

N

N

N

N

X

X

N

N

T

T

D

D

D

D

D

D

D

D

D

D

12 34 56 78 910111213141516171819202122232

24FMN-BMTTR-TBT

J2

4

G

G

G

G

P

N

R

T

G

G

N

N

N

N

B

O

X

X

N

N

D

D

D

D

T

T

D

D

D

D

D

D

HIFG

FILTER

1

1

1

1

1

4

4

4

4

4

V

V

V

V

V

1

1

1

1

1

4

4

4

4

4

V

V

V

V

V

F4053A

P

I

I

H

8V8V1

1

1

P

W

C

C

5

4

4

4

A

R

L

H

V

V

V

V

T

S

A

A

8

PA

J3
30FMN-BMTTR^TBT

0

W13

10111213141516171819202122232425262728293

J771

123456789

30FMN-BMTTR-TBT

P

I

I

H

8V8V1

1

1

P

W

C

C

5

4

4

4

A

R

L

H

V

V

V

V

T

S

A

A

8

IMSA-9180S-30A

DSP

L

L

M

M

M

M

T

X

L

P

N

K

K

5

D

O

U

D

W

C

S

F

O

B

O

I

I

V

V

C

P

N

K

L

K

C

C

T

T

4

3

F

D

K

K

K

K

K

K

K

J241

4

24FMN-BMTTR-TBT

W8 W5

10111213141516171819202122232

123456789

K

K

N

P

L

X

T

M

M

M

M

L

L

5

I

I

O

B

O

F

S

C

W

D

U

O

D

V

3

4

T

T

C

C

K

L

K

N

P

C

V

F

K

K

K

K

K

K

K

D

HI

.

.

7

.

.

8

.

.

9

10

.

.

11...

.

12

EP4

J201

J1

P
G

P

N

H

D

V

P

P

H

G

V

N
D

B2B-PH-SM3-TB

D

G

T

N

I

D

F

302826242220181614121086 42

9

D

G

R

N

I

D

F

D

G

R

N

I

D

F

9
302826242220181614121

D

G

T

N

I

D

F

J2001
IMSA-9180B-30B

G

G

G

P

P

N

N

N

B

B

D

D

D

2

2

A

B

12 34 56 78 91

10FMN-BMTTR-TBT

10FMN-BMTTR-TBT
1

0

G

G

G

P

P

N

N

N

B

B

D

D

D

2

2

B

A

PBT

W10W9
OPC-962OPC-961

EP5
F4053A

G
N
D

D
5
V
A

D
5
V
A

G
N
D

P
B
1
B

P
B
1
B

G
N
D

D
5
V
A

D
4
V
A

G
N
D

P
B
1
A

P
B
1
A

10FMN-BMTTR-TBT

TMP-J01X-A2

MF+
MF-

G

G

G

A

N

N

N

G

D

D

D

C

D

G

D

D

M

N

T

5

A

D

A

V

F

F

A

D

D

D

G

T

5

M

N

A

V

A

D

F

A

F

G

G

G

A

N

N

N

G

D

D

D

C

5

N

P

V

O

I

F

T

T

L

L

J601

0

123456789

5

N

P

V

O

I

F

T

T

L

L

J3
L4S
L2S
L1S
L5S
L6S
L3S
L7S
L8S
GND
GND

J2

CTIN

J11

1

1

2

2

8

G

-

-

-

8

­V

N

8

8

5

V

5

D

V

V

V

V

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13579

G

D

G

G

G

G

F

N

R

N

N

N

N

M

D

A

D

D

D

D

T

F

L

G

D

G

G

G

G

F

N

R

N

N

N

N

M

D

A

D

D

D

D

T

F

L

135791113151719212325272

86 42

0

8

G

-

-

-

8

G

V

N

8

8

5

V

N

D

V

V

V

D

JK

J2

RFRX

TBP-P01X-A1

W7

P1

TMP-P01X-A1

MF1

FBA08T12HF

D

M

T

A

D

A

C

M

G

D

F

S

S

X

M

S

C

A

O

N

P

M

K

L

S

S

R

K

L

D

D

G

N

Y

1

S

S

S

S

I

S

302826242220181614121086 42

1113151719212325272

9

G

D

D

M

C

R

D

G

NCN

M

N

S

S

D

T

T

S

N

C

C

D

F

F

A

F

D

D

D

K

R

W

T

L

T

R

G

D

D

C

R

D

G

NCNCM

M

M

N

S

S

T

T

S

N

C

D

D

F

F

F

D

D

D

K

A

R

W

L

T

R

T

9
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0

D

T

A

D

A

C

M

G

D

F

M

S

X

M

S

C

A

O

N

P

M

S

K

S

S

R

K

L

D

D

G

N

L

Y

S

S

S

S

I

S

1

J2002
IMSA-9180B-30B

M
I
C
I

12 34 56 78 91

10FMN-BMTTR-TBT
1

0

J2

M
I
C
I

J13
1

2
3
4
5
6
7
8
9

10

10FMN-BMTTR-TBT

J1

CTIN

TBP-P01X-A1

22FMN-BMTTR-TBT

22FMN-BMTTR-TBT

N

G

3

3

S

N

R

R

Q

D

3

3

O

V

V

_

_

d

D

13579

G

A

G

M

N

G

N

5

D

R

D

V

S

_
d

G

A

G

N

G

N

5

D

R

D

V

S

_
d

135791113151719212325272

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G

3

3

N

N

R

R

S

D

3

3

Q

V

V

O

_

_

d

d

M

M

S

M

8

U

Q

S

V

D

L

N

S

D

10FMN-BMTTR-TBT

M

M

S

M

8

U

Q

S

V

D

L

N

S

D

10
9
8
7
6
5
4
3
2
1

MF+
MF-

MIC PHONE

JK

APPD. CHKD.

L4S
L2S
L1S
L5S
L6S
L3S
L7S
L8S
GND
GND

J202
IMSA-9180S-30A

24FMN-BMTTR-TBT

G

M

A

N

M

F

D

I

O
C
E

0

123456789

G

M

A

N

M

F

D

I

O
C
E

ICOM

J7

J741

J322

W2

ANT1

ANT2

J5

J6

MR-DS

MR-DS

W1

W2

ERD25T0

ERD25T0

A

A

N

N

T

T

1

2

CTRL

F

R

A

D

I

I

G

G

1

1

1

T

5V5V-

G

G

G

O

E

N

R

S

K

N

N

4

4

4

8

8

N

N

N

R

F

T

E

T

E

D

D

V

V

V

V

V

D

D

D

V

V

S

S

A

Y

L

12 34 56 78 91011121314151617181920212

1011121314151617181920212

2

1

1

1

T

5V5

F

R

A

D

I

I

-

NCNCN

G

N

4

4

4

8

V

O

E

N

R

S

K

8

C

N

C

V

V

V

V

R

F

T

E

T

E

V

D

V

V

S

S

A

Y

L

1

1

1

P

P

P

NCNCNCN

4

4

4

H

H

H

C

V

V

V

E

O

E

J861

12 34 56 78 910111213141516171819202122232

24FMN-BMTTR-TBT

J321

4

1

1

1

P

P

P

NCNCNCN

4

4

4

H

H

H

C

V

V

V

E

O

E

P

P

P

G

G

G

G

G

G

P

H

H

H

N

N

N

N

N

N

H

E

O

E

D

D

D

D

D

D

N
I

J941

12 34 56 78 91

0

10FMN-BMTTR-TBT

10FMN-BMTTR-TBT

1

J1

123456789

0

P

G

G

G

G

G

G

P

P

P

H

N

N

N

N

N

N

H

H

H

N

D

D

D

D

D

D

E

O

E

I

2345678

L

J8

GND

22

GND

21

CI1

20

CI2

19

CI3

18

NVHF

17

CO1

16

CO2

15

CO3

14

14V

13

14V

12

NC

11

GND

10

VHF

9

24M

8

18M

7

14M

6

10M

5

7M

4

3.5M
3

GND

2

GND

1

22FMN-BMTTR-TBT

J3

TUIN

TMP-S01X-C1

J4

TUOT

TMP-S01X-C1

J10

T14V

1

PW

2

PX

3

PY

4

PZ

5

B05B-EH-S

F

G

S

N

T

D

B

L

F

G

S

N

T

D

B

L

P

T

W

M

R

D

K

T

P

M

W

D

R
K

W3 W1

J11

C

C

M

M

T14V
D
T

2

123456789

C
M
D
T

G
N
D

G
N
D

1

C

AW

2

K

AX

3

AY

4

AZ

5

B05B-EH-S

W12

C
M
C
K

G

G

G

M

8VM

M

P

S

NCN

N

N

N

I

S

I

H

Q

C

D

D

D

C

N

C

O

S

I

D

E

S

4

S
P
E

12 34

P352
EHR-04

W14

J451
B04B-EH-S

10111213141516171819202122232

123456789

12 34

G
N
D

M

8VM
I
C
I

J1

M

S

S

I

Q

C

N

C

S

D

E

S

G
N
D

12 34 56 78 91

10FMN-BMTTR-TBT
1

0

G
N
D

NCNCN

G

G

G

G

G

G

N

N

N

N

N

N

D

D

D

D

D

D

10FMN-BMTTR-TBT

G

G

G

G

G

G

N

N

N

N

N

N

D

D

D

D

D

D

S
P
E

G
N
D

G
N
D

G

G

N

N

D

D

KEY

L

DWN.BY:DATE

W11

P3

TMP-P01X-A1
P4

TMP-P01X-A1
P1

1
2
3
4

5
EHR-05
P2

1

2

3

4

5
EHR-05

B4B-PH-SM3-TB

ETE
ET14
ETST
ETKY

S

S

P

P

E

J352
PD054-02M

12

W351
W352

S
P

S
P

J452

SSP
SSPE

B03B-EH-S

D

D

A

O

S

T

H

J921

0

123456789

D

D

A

O

S

T

H

2001.06.22

GENERAL

SCHEMATIC

DIAGRAM

MN

J5

GND

1

GND

2

CI1

3

CI2

4

CI3

5

NVHF

6

CO1

7

CO2

8

CO3

9

14V

10

14V

11

NC

12

GND

13

VHF

14

24M

15

18M

16

14M

17

10M

18

7M

19

3.5M

20

GND

21

GND

22

22FMN-BMTTR-TBT

J3
TUIN

TBP-P01X-A1

J4
TUOT

TBP-P01X-A1

T14V
PW
PX
PY
PZ

T14V
AW
AX
AY
AZ

J641

EXT TUNER

P2

ETE

1

4

ET14

2

3

ETST

3

2

ETKY

4

1

PHR-04

CHASSIS

P1

SSP

1

1

2

2

SSPE

3

3

EHR-03

MN

MODEL

DWN.NO.

1

T
U
N
E
R

J3

GND

4

13.8V

3

START

2

KEY

1
1490

SP1

SM-77KY0208

IC-756PRO2

-5C1

Icom Inc.

10

D

9

8

7

C

6

5

B

4

3

2

A

2345678

1

A

6

D

SSP
SSPE

EKY
EST
E14V
GND

P1

1
2
3

EHR-03

P2

4
3
2
1

EHR-04

W1,W2

W3
W4
W5
W6

B

1
2
3
4

SP1

SM-77KY0208

J3

KEY
START

13.8V
GND

1490

C

CTRL UNIT

J5
MR-DS

1

ANT1

2

J6
MR-DS

1

ANT2

2

5

MF1
FBA08T12HF

FHV

FGND

FV2-S3.3

FV2-S3.3

MF+

1

W15

ACS1

ACS2
GND

GND

HV

HV

LLR-06

MF-

2

4

C

3

W7

W8

W10

W14W12

ED

6

D

5

4

C

3

2

B

W11W9

W13

1

BA

A

R12
E
V
I
S
I
O
N
S

8 7 6 5 4 3 2 1

..
.

3
4
5
6
7
8

.

.

.

.

.

.

.

.

.

.

.

.

.

C

DATE 2001.07.30

CHASSIS UNIT

SCHEMATIC

DIAGRAM DWN.NO.

APPD. CHKD.

ICOM

IC-756PRO2MODEL

A3-6C1

DWN.NO:

Icom Inc.

2

B

1

ED

A

2345678

1

NC
5VF
HD
VD
NC
POLC
NC
NC
GND
NC
L5V
RL
GL
BL
VCOM
GND
NC
L/R
U/D
NC
NC
N/P
L18V

-15V

E

6

D

5

CFL+

2

NC

1

CFL-

2

NC

1

4

C

3

A

6

D

ME1

METER

B

DS1

meter +

meter -

DC

5

W1

4

C

3

W2

W3

W6

W7

W4

2

B

W5

W8

1

BA

A

R12
E
V
I
S
I
O
N
S

8 7 6 5 4 3 2 1

..
.

3
4
5
6
7
8

.

.

.

.

.

.

.

.

.

.

.

.

.

C

2001.07.30DATE

FRONT UNIT

SCHEMATIC DIAGRAM

APPD. CHKD.

ICOM

D

MODEL

DWN.NO.

E

IC-756PRO2

A4-6C1

DWN.NO:

Icom Inc.

2

B

1

A

10

D

9

C

6

5

B

4

3

2

A

1

AB

CP102

CP103

CP101

FRONT

J101

1

5VF

2

MUP

3

MDN

4

GND

R106

B04B-EH-S

220K

RIT

J120

1

RUP

2

5VF

3

RDN

4

GND

5

GND

6

GND

7

GND

8

GND

9

GND

10

GND

10FMN-BMTTR-TBT

MODE78

J201

1

F5K

2

F4K

3

F3K

4

F2K

5

F1K

6

SPEK

7

EXTK

8

FILK

9

AMK

10

CWK

11

SSBK

12

KI2

13

KI1

14

5VF

15

GND

16

GND

16FMN-BMTTR-TBT

TEN-KEY 1

J221
16

SPLK

15

1K

14

3K

13

7K

12

10K

11

14K

10

18K

9

21K

8

24K

7

28K

6

50K

5

GENK

4

FINK

3

MPWK

2

MPRK

1

GND

16FMN-BMTTR-TBT

TEN-KEY 2

J241
24

MUPK

23

MDNK

22

MWK

21

MCLK

20

TSK

19

XFCK

18

LOCK

17

PBTK

16

NOTK

15

KI4

14

5VF

13

KI3

12

LDV

11

LOCD

10

TXD

9

RXD

8

NOTD

7

PBTD

6

GND

5

GND

4

GND

3

GND

2

GND

1

GND

24FMN-BMTTR-TBT

INV CASE

CFL INV

L803

0.047 100V

D818HN-1107

C805

J801

CFL+

2

NC

1

15P 3KV

B2B-PH-SM3-TB

J802

CFL-

2

NC

1

B2B-PH-SM3-TB

MP1
2178_SHIELD_CASE

MP3
1876_DDS_CASE

MP5
SHIELD CASE(A)

MP8

18.5V DC-DC

Q804

2SC3647

C823

0.0047

AB

8 7 6 5 4 3 2 1

CP104

5VF
MUP
MDN

R107
220K

RUP
5VF
RDN

R215
47K

R202

1K

R204

1K

R206

1K

R208

1K

R210

1K

C242

0.1

R805

C804

3.3K

Q803

2SC3647

SHIELD

+18.5V DC-DC

2SC4081 R

Q821

10 25V ECEV-S C

C828

10K
R824

4.7 50V ECEV-A C
C829

D822
RD20M B1

C830
10 25V ECEV-S C

R222

1K

R224

1K

R226

1K

R228

1K

R230

1K

R232

1K

R234

1K

R241
R243
R245

R247

R249

R253
R255

C802

10U

L802

A814AY-101K

R804

3.3K

47 25V ECEV-A D

ELJFB102K

IC101A

R214

R213

47K

47K

R201

1K

R203

1K

R205

1K

R207

1K

R209

1K
R211

1K

1K

1K
1K
1K

1K

1K
1k

C241

0.1

MA8030 H

L823

C825

0.0047

4.7 50V ECEV-A C

CD

R101
100

1
4

7

SPLK
1K
3K
7K
10K
14K
18K
21K
24K
28K
50K
GENK
FINK
MPWK
MPRK

R242

1K

R244

1K

R246

1K

R248

1K

R250

1K

R251

1K

R252

1K

R254

1K

R256

1k

3

4

R122

220K
R121
100K

R126

220K
R125
100K

5VF

MUPK
MDNK
MWK
MCLK
TSK
XFCK
LOCK
PBTK
NOTK
KI4

KI3
LDV
LOCD
TXD
RXD
NOTD
PBTD

Q801

R803
220 MCR10

C826

4.7 50V ECEV-A C

8

7

6

C824

0.0047

C101

0.1

R123

100K

C121

0.001

R127

100K

C122

0.001

C801
10U

D821
1SS322

IC821

BA6161F

47 25V ECEV-A D

R102

15K

R104

47K

R103

15K

8
9

12
13

R806
47K

1
2
3
4 5

C822

4030
1
2

5
6

IC102B

MC14071BFEL

F5K
F4K
F3K
F2K
F1K
SPEK
EXTK
FILK
AMK
CWK
SSBK
KI2
KI1
5VF

R221

1K

R223

1K

R225

1K

R227

1K

R229

1K

R231

1K

R233

1K

R235

1K

Q802
2SB1201 S

D801

C803

C827

R212
47K

R807
27 ERJ1W

R808

27 ERJ1W

L801
100U

2SC4081 R

1.2K

R821

CD

8
9

C102

0.001

IC101D
12
13

C103

0.001

R124

1M

IC102C

10

MC14071BFEL

R128

1M

IC102D

11

MC14071BFEL

HC301
HC302

HC303
HC304

MAIN

J301

LFMD

24

LMFD

23

SRES

22

YOBI

21

R

20

G

19

B

18

HSYNC

17

VSYNC

16

GND

15

GND

14

GND

13

GND

12
11

-8V
10

-8V

9
8

+18V

7
6

14V

5

14V

4

14V

3
2
1

24FMN-BMTTR-TBT

MAIN

HC313

J321

14V

24

14V

23

14V

22
21
20
19
18

PHE

17

PHO

16

PHE

15

TMD

14

PWRK

13

GND

12

GND

11

GND

10

GND

9

MICI

8

8V

7

MSND

6

MICE

5
4

SQSS

3
2
1

24FMN-BMTTR-TBT

MIC

J322

1

MICI
M8V

2
3

MUD
SQLS

4

MSND

5

GND

6

MMICE

7
8

AFO

9

10

10FMN-BMTTR-TBT

R802
33K

R801

BKLV
33K
Q805

DTC114EE

W801

ERJ12-JPW

L821
HF50ACC322513-B

L822
NLFC565050 472K 4.7M

C821

0.1

IC101C

10

4030

11

4030

C

IC101B
5
6

C104

0.001

C
C
C
C

HC314

C

HC315
C

HC319
C

HC320
C

SQSS

HF50ACC322513-B

Q901
DTC114EE

R908

R904

4.7K

4.7K

Q902

DTC114EE

R905

6.8K

10K

R906
15K

Q903

DTC114EE

R912

680 ERJ8GE

DS904

R914
680 ERJ8GE

R916

2.2K

C901

4.7U

KEY

J921

10
9
8
7
6
5
4
3
2
1

10FMN-BMTTR-TBT

PHONE

J941

PHE

1

AFO

2

PHE

3

PHNI

4

GND

5

GND

6

GND

7

GND

8

GND

9

GND

10

10FMN-BMTTR-TBT

TO LCD UNIT

C522

0.0047

C520

0.47 50V ECEV-A B

12
13

Q515
DTC114EE

(When +20V supplied)

R532
39K

10

8

9

IC511C
NJM2902M

R533
10K

IC-756PRO2

Icom Inc.

1

N

+14V

Q905

2SB1201

Q904
2SC4081 R

D901

RD5.1M B2
R909
470

R915
10K

R907

15K

To mater +

To mater -

DASH
DOT
GND
GND
GND
GND
GND
GND
GND
GND

J531
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

24FMN-BMTTR-TBT

IC511D

NJM2902M

14

H - light off
L - light on

N

A4A1-6C1

560 MCR10

NC
L5V
HD
VD
NC
POLC
NC
NC
GND
NC
L5V
RL
GL
BL
VCOM
GND
NC
L/R
U/D
NC
NC
N/P
L18V

-15V

CP545
C.P10S

10

R910

D

9

8

7

C

6

5

B

4

3

2

A

2345678

FGE

R105
100

1
4

1

3

MSA

2

4

7

C105

C

-15V

MC14071BFEL

R301 1K

R312 1K

HC312
C

D425

DAN222

L323
HF50ACC322513-B

DTC114EE

L843

C847

IC102A

HC305

C

HC306

C

HC307

C

HC308

C

R3131K

D424

DAN222

PHE
AFO

TMD
PWRK

L322
HF50ACC322513-B

MUD

R321
10K

SQSS

Q321

SHIELD

RB050L-40

D841

C845

0.1

0.1

SRES

KI3
KI0
KI1
KI2

LFMD
LMFD
SRES

KI4

R
G
B
HSYNC
VSYNC

DOT
DASH

D421

DAN222

R421
1K

DSHK
DOTK

MUD

R861

12 ERJ1W

R862

12 ERJ1W

R863

12 ERJ1W

56 ERJ1W

R881

R882

56 ERJ1W

+14V

Q841
2SB1124 S

R850

330

R848

470 ERJ12

R849

470 ERJ12

L842
SLF12565T-680M2R0

-15.5V DC-DC

E

.

1

R
E

.

2

V
I

1

S

.

I

3

O
N
S

.

4

.

5

..

6

R447
100

R4021KR403

C411

0.1

IC411

1

16

X4

VDD

2

15

KI2

X6

X2

3

14

KI1

X

X1

4

13

KI0

X7

X0

5

12

KI3

X5

X3

6

11

INH

A

7

10

VEE

B

8C9

VSS
BU4051BCFV

MUDK

D423
DAN222

D422
DAN222

R431

2.2K

D431
R424
1K

R432

47K

DAN222

D432

DAN222

C431

IC861
TA7805F

C862

C863

0.1

0.1

C864

22 16V

IC881
TA79L08F

C883

0.1

C884

22 16V

IC841

1

8

CS

CD

2

7

ES

SI

3

6

CT

V+

4

5

GND

INVIN
NJM2360

R845

1.2K RR0816P
R846

C844

R847
27K RR0816P

27K RR0816P

220 16V ECEV-A F

FG

10 25V

C861

10 25V

C882

0.1

C881

C843

330P

.
.
.
.
.

100K

C401

C402

0.1

5VF

R841

0.33

R842

0.33

C842

0.1

220 16V ECEV-A F

220 16V ECEV-A F

X401
CR-567

12P

12P

F1K
F2K
F3K
F4K
F5K
SSBK
CWK
AMK
FILK
EXTK
SPEK

SPLK

5VF

D10F-A814AY-101

C849

C841

220 16V ECEV-A F

220 16V ECEV-A F

C406
10

1
2
3
4

R401

5

1M

6
7
8
9
10
11

ASL0

12

MSB

13

ASL1

14

ASL2

15
16
17
18
19
20
21
22
23
24
25

HC471 C
HC472 C
HC473 C
HC474
HC475 C
HC476 C
HC477 C
HC478 C
HC479 C
HC480
HC481 C
HC482

B
K
L
V

IC501
TA79L08F

C502

0.1

C501

10 25V

L841

C846

C850

4030

RSA
RSB

HR314 1K
R315 47
R316 47
R317 47
R318 1K
R319 1K

HC309
C

HC310

C

HC311

HC318

C

HC317

C

HC321

C

HC322
C

HC324
C

L321

C323

0.0047
MICI
M8V
MUD
SQLS
MSND

MMICE
AFO

C332

C331

0.0047

470P

5VF

D10F-A814AY-101

C848

0.1

220 16V ECEV-A F

HI

D

K

C

P

M

N

B

P

N

A

R

E

Y

M

W

I

R

A

I

O

F

F

L

S

P

R

G

L

L

T

T

L

L

L

L

L

L

L

L

L

L

C405

0.1

1

9

9

9

9

9

9

9

9

9

9

0

0

1

2

3

4

5

6

7

8

9

0

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

C

C

C

0

1

2

3

4

5

6

7

0

1

2

/

/

/

/

/

/

/

/

/

/

/

A

A

A

A

A

A

A

A

A

A

A

N

N

N

N

N

N

N

N

N

N

N

0

1

2

3

4

5

6

7

8

9

1
0

PC3/AN11
AVSS
TEST
X2
X1
VSS
OSC1
OSC2
RES
MD0
P20/IRQ4/ADTRG
P21/UD
P22
P23
P24
P25
P26
P27
P30/SCK1
P31/SI1
P32/SO1
P33/SCK2
P34/SI2
P35/SO2
P36/STRB

R404 47K

R40547K
R406 47K
R407 47K

RGB

C503

0.1

22 16V

10
11
12

IC401

HD6433832SD66H

P
5
0
/
W

P

P

P

P

K

A

A

A

A

P

P

3

2

1

0

0

3

/

/

/

/

/

7

C

C

C

C

S

/

V

V

O

O

O

O

E

C

S

V

V

V

C

M

M

M

M

G

S

S

3

2

1

C

4

3

2

1

1

2

2

2

2

3

3

3

3

3

3

3

6

7

8

9

0

1

2

3

4

5

6

1

1

7K1K3

4

0

K

K

K

C

C
C

H

V

S

S

Y

Y

N

N

C

C

R503

1K

R501

HR504

100K

R502

15K

D501

1SS322

C504

D509

1SS322

1

R490

2
3NC4

39K

S-80942ANMP

R491

47K

C492

0.0047

HI

.

.

7

.

.

8

.

.

9

.

.

.

.
..

CP401

CP402

CP411
CP412

R441 10K
R442 47K
R443 47K
R444 10K
R445 10K

B

C

P

K

N

B

L

T

1

V

V

A

7

7

7

9

7

8

P

P

P

1

1

1

2

0

1

/

/

/

T

T

T

M

M

M

O

O

O

F

W

F

H

L

P97/SEG40/CL1
P96/SEG39/CL2

P95/SEG38/D0

P

P

P

6

6

6

3

4

5

/

/

/

S

S

S

E

E

E

G

G

G

1

1

1

2

3

4

4

4

4

7

8

9

M

M

M

C

D

W

L

N

K

K

K

C491

12P

7
6

V
C
C

P94/SEG37/M

P93/SEG36
P92/SEG35
P91/SEG34
P90/SEG33
P87/SEG32
P86/SEG31
P85/SEG30
P84/SEG29
P83/SEG28
P82/SEG27
P81/SEG26
P80/SEG25
P77/SEG24
P76/SEG23
P75/SEG22
P74/SEG21
P73/SEG20
P72/SEG19
P71/SEG18
P70/SEG17
P67/SEG16

P
6
6
/
S
E
G
1
5

5
0

T
S
K

HC483
HC484
HC485 C
HC486 C
HC487 C
HC488 C
HC489 C

R493

1K

1
2

R494
100K

R446 10K

L401

HR448

R

C404

0.1

HC451
C

HC452
C

75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51

C

HC468

HC469

C

R410

R408

R409
C
C

-15V

C490

0.1

5

4
IC492

3

TC4S81F

R

R

M

M

P

P

P

L

L

S

S

E

S

B

B

B

F

M

B

A

T

A

2

1

2

M

F

V

B

B

A

D

D

8

8

8

8

8

8

8

8

8

8

0

1

2

3

4

5

6

7

8

9

P

P

P

P

P

P

P

P

P

A

1

1

1

1

1

4

4

4

4

V

3

4

5

6

7

0

1

2

3

C

/

/

/

/

/

/

/

/

/

C

T

P

I

I

I

S

R

T

I

M

W

R

R

R

C

X

X

R

I

M

Q

Q

Q

K

D

D

Q

G

1

2

3

3

0

/

/

/

T

T

T

M

M

M

I

I

I

B

C

F

P

P

P

P

P

P

P

5

5

5

5

5

5

5

1

2

3

4

5

6

7

/

/

/

/

/

/

/

W

W

W

W

W

W

W

P

P

K

K

K

K

K

K

K

P

6

6

P

P

P

P

P

P

P

6

1

2

1

2

3

4

5

6

7

0

/

/

/

/

/

/

/

/

/

/

S

S

S

S

S

S

S

S

S

S

E

E

E

E

E

E

E

E

E

E

G

G

G

G

G

G

G

G

G

G

1

1

2

3

4

5

6

7

8

9

0

1

3

3

3

4

4

4

4

4

4

4

7

8

9

0

1

2

3

4

5

6

M

M

M

F

G

5

2

2

2

1

U

P

P

I

E

0

8

4

1

8

P

R

W

N

N

K

K

K

K

K

K

K

K

K

K

DISPLAY2

1K

HD
R
G
B

+14V
5VF
+4R5V

-7R5V

-15V

GAMMA.SCH

R492

10K

IC490

5

OUT

CD
VDD
VSS

JK

J451
1

SPE

2

NC

TO MAIN

3

NC
SP

4
B04B-EH-S

J452
1

SSP

TO CHASSIS

NC

2

SSPE

3
B03B-EH-S

HF50ACC322513

HC459

HC456

HC453

47K

47K

47K
47K
47K

C

C

C

HC460

HC457

HC454

C

C

C

HC455

HC458

C

C

CP400

HC461

C

HC462

C

HC463

C

HC464

C

HC465

C

HC466

C

HC467

C

R416

R412

R414

R411

R413

R415

C403

47K

0.1

47K
47K
47K

H

H

D

D

D

D

1

2

MSSW
CNTV
POLC

RL
GL
BL

VCOM

GND

JK

APPD. CHKD.

NOTD
PBTD
RXD
TXD
LOCD
NRD
NBD
MOND
TNRD
MDM2
MDM1
MDM0
BKLS
HDD2
HDD1
HDD0
MAT1
PHNI
DSHK
DOTK
TRAK
NOTK
PBTK
LOCK
XFCK

C.P 3

H
D
D
0

ICOM

TK16105M

NOTL
PITL
PB1A
PB1B
PB2A
PB2B

C603

C601

C604

C602

0.001

0.0047

0.001

0.0047

TMD

PWRK

S622

TRAK

SKQDPA

TRANSMIT

R622

6.8K

KI0

SKQDPA
TUNER MONITOR NB NR

C621

0.1

LDV

Q622

DTC114EE

TNRD

680 ERJ8GE

MOND

DTC114EE

NBD

NRD

5VF

R703

AFL

47K

RFL

R704

BALL
NRL

C702

C701

0.1

0.1
HR707

5VF
DELL
KYSL
CMPL
PWRL
MIGL

47K
R711

C711

0.0047

R712

EVU-FLAE02B14

EVU-FLAE02B14

MIC GAIN

B
K
L
S

+
1
4
V

R544

10

IC542
1

8

R541

2

7

3456

10K

C542

C545

0.1
RD5.1M B2

D512

10

LM

R601
47K

R602

47K

C605

C606

0.001

0.001

DS621

R621

R701

RV-308

Q624

C704

0.0047

R716

SKQDPA

RF/SQL

AF

R706
47K

R715
47K

C713

0.0047

EVU-FLAE02B14

R515

10K

C513

0.1

4

IC511A

1

NJM2902M
1
1

S625

CL-200YG

680 ERJ8GE

DTC114EE

HW503
HW505

DTC114EE

2.2K

DS624

R628

R718

HW501

2SB1132 R

R514

Q511

Q625

0.0047

820

R717
47K

C714

ERJ3GE-JPW
ERJ3GE-JPW

ERJ3GE-JPW

Q512

HR517

2.2K

CL-200HR

SKQDPA

S626

S621

SKQDPA
POWER TIMER

R623 2.2K R624 4.7K R625 15K

S624

S623

SKQDPA

DS622

DS623

CL-200YG

CL-200YG

R626

R627

680 ERJ8GE

Q623

DTC114EE

47K

47K

R705

0.0047

3.9K

C703

R713
47K

C712

0.0047

R714

EVU-FLAE02B14

RF POWER COMP KEY SPEED BK-IN DELAY

W502

ERJ3GE-JPW

W504

ERJ3GE-JPW

W506

ERJ3GE-JPW

R511

10K

R521

1.8K
R513

1.2K
2

3

R512

R516

10K

18K

LM

DWN.BY:DATE

2001.07.30

DISPLAY BOARD

SCHEMATIC

DIAGRAM

DS625

CL-200YG

R629

680 ERJ8GE

R702

RV-308

R720

EVU-FLAE02B14

HR708

(1)

BALL

R719
47K

C715

0.0047

2.2K

ERJ3GE-JPW

5
6

NR

0.0047

HR516

220K

HC511

PBT

J601
10

5VF

9

NOTL

8

PITL

7

PB1A

6

PB1B

5

PB2A

4

PB2B

3

GND

2

GND

1

GND

10FMN-BMTTR-TBT

5VF

HR901

10K

MDM2

HR902
10K

MDM1

MDM0

LDV

DS901

NSCW100

METER BACK LIGHT

R917

4.7K

METV

DASH
DOT

C921

0.0047

PHE
AFO

PHNI

D701

DAN222

HQ701

DTC114EE

C506

0.0047

C505

Q514

2SB1132 R

C521

0.0047

R520

R519

220K

220K

R518
220K
Q513

W512

DTC114EE

0.1
HW511

ERJ3GE-JPW

IC511B

1.8K
R531

7

HD513
MA8030

NJM2902M

MODEL

DWN.NO.

#21-30

MA8030

C922

0.0047

D531

C531

0.0047

HR903

NSCW100

R709
10K

2345678

A

B

C

DE

HIGF

1

J

R1101
47K

6

D

5

HR1120

4

C

RV-110

MSSW

Input select

R1113

Clamp control

Common gain

R1112
33K

27K

R1121
27K

R1122

4.7K

SW

CPCN SUBB

COGC SUBR

3

B
G
R

B

2

HR1102

C1307

RV-110

0.1

R1103
10K

R1104
22K

Baias control

HR1115
47K

HR1116
47K

Sub baias B

HR1124
47K

HR1125
47K

Sub baias R

BASC

C1308

R1106

HR1105

18K

BRGT GAM2

R1107
12K

RV-110

Bright control Gamma2

R1127
82K

GAM1 SCTB

R1128

22K

Gamma 1 Sub contrast B

C1309

0.1

0.1

C1404

C1406

0.1

0.1

R1109
82K

R1110
22K

HR1118
47K

HR1119

47K

Sub contrast R

HR1130
47K

HR1131

47K

C1405

0.1
SW

CPCN

COGC
COMO
BASC

C1555

R1555
22K

R1553

2SA1576 R

220K

R1554

C1553

220K

Q1553

2SC4081 R

10

C1403

VCC1

EXT IN B

SUB CONT B

EXT IN G

SUB CONT R

EXT IN R

GAM2
GAM1

CONTRAST

BRIGHT

FRP1 IN

R OUT

SUB BIAS R

G OUT

SUB BIAS B

B OUT

SCTR

COMO

C1401

0.1

C1402

0.1
IC1401

1

MAIN IN R

2

CLAMP R

3

MAIN IN G

4

CLAMP G

5

MAIN IN B

6

CLAMP B

7

SW

8

HD IN

9

CP CONT

10

VCC2

11

VEE

12

FRP2 IN

13

COM GAIN

14

COM OUT

15

BIAS CONT

16

GND

M52338FP

HR1557

1K

Q1551
2SC4081 R

HR1558

C1554

Q1554

10

Q1552
2SA1576 R

HR1559

C1103

22K

C1552

10

C1106

C1110

0.1

0.1

C1109

0.1

0.1

SCTB
SCTR
GAM2

GAM1
CONT1
BRGT

SUBR
SUBB

R1556
22K

0.1

32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17

10

R1560

5.6K

RV-150

R1561
27K

100

0.1

R1552

100

C1556

0.1

+4_5

-7_5V

R1201
150

R1203

2.7K

R1202

1.2K

D1201
MA8030

Q1201
2SA1576 R

R1211
150

C1201

0.1

R1213

R1212

1.2K

2.7K

D1211
MA8030

Q1211
2SA1576 R

R1221
150

C1211

0.1

R1223

2.7K

R1222

1.2K

D1221
MA8030

Q1221
2SA1576 R

C1221

0.1

C1521

3
2

C1522

0.1
R1526

100

8

IC1521A
1

M5218AFP 600C

4

R1527

100

0.1

5VF

VCOM

D

5

-15V

4

+14V
+4R5V

-7R5V

HD
POLC

GND

C

3

BL
GL
RL

B

2

R1551

6

C1551

C1102

C1108

IC1521B

M5218AFP 600C

7

R1543

22K

C1409

R1544

C1408

0.1

0.1

0.1
C1105

C1407

0.1

0.1

0.1

R1545

2.2K

CONT1

APPD. CHKD.

ICOM

HIGF

DWN.BY:DATE MODEL

2001.07.30

DISPLAY BOARD

SCHEMATIC

DIAGRAM

(2)

DWN.NO.

IC-756PRO2

A4A1-6C2

Icom Inc.

1

J

A

2.2K

C1107

C1101

0.1

0.1
C1104

0.1

R1541

CNTV

1

A

.

.

A

1

R
E

.

.

2

V
I
S

.

S
I
O
N
S

.

3

.

.

4

.

.

5

..

6

8 7 6 5 4 3 2 1

CB

7
8
9

10

11...
12

.

.

.

.

.

.

.

.
.

C1541

DE

HR1521

47K

10K

5
6

10

R1542
22K

2345678

A

B

HGFDEC

IJ

1

6

J1

SPLK

1

1K

2

3K

D

5

C

4

3

B

2

3
4
5
6
7
8

9
10
11
12
13
14
15

GND

16

16FMN-BMTTR-TBT

J2

1

2

3

4

5

6

7

8

9
10
11
12
13
14
15
16
17
18

GND

19

GND

20

GND

21

GND

22

GND

23

GND

24

24FMN-BMTTR-TBT

7K
10K
14K
18K
21K
24K
28K
50K
GENK
FINK
MPWK
MPRK

MUPK
MDNK
MWK
MCLK
TSK
XFCK
LOCK
PBTK
NOTK
KI4
5VF
KI3
LDV
LOCD
TXD
RXD
NOTD
PBTD

0.1

DTC114EE

DTC114EE

DTC114EE

S
P
L

S1

K

SKQDPA

SPLIT

R1

6.8K

S2

C1

SKQDPA

R2

DW

2.2K
S3

SKQDPA

R3

CHANGE

4.7K
S4

SKQDPA

R4

V/M

15K

S5

SKQDPA

M/S

Q1

R8

5.6K
CL-200HR

LOCK LED

Q2

R9

5.6K

CL-200HR

TX LED

Q3

R10

680

RX LED

1K 3K

10K 14K

21K 24K

GENK 50K

MPWK

DS1

DS2

DS3

CL-220YG

S6

SKQDPA

1.8 3.5

S7

SKQDPA

10 14

S8

SKQDPA

21 24

S9

SKQDPA

S29

SKQDPA

MP-W

Q4

DTC114EE

Q5

DTC114EE

R11

1K

R12

1K

SKQDPA

SKQDPA

SKQDPA

SKQDPA

50GENE

CL-220YG

S10

S11

S12

S13

DS4

DS5

CL-220YG

7K

7

18K

28K

FINK

MPRK

LOCK

NOTCH LED

PBT LED

SKQDPA

SKQDPA

18

SKQDPA
28

SKQDPA

F-INP

SKQDPA

MP-R

SKQDPA

LOCK

S14

MUPK

S15

MDNK

S16

MWK

S17

MCLK

TSK

XFCK

S30

S31

SKQDPA

UP

SKQDPA

DOWN

SKQDPA
MW

SKQDPA

M-CL

SKQDPA

TS

SKQDPA

XFC

K
I
4

S18

S19

S20

S21

0.1

S22

S23

S24

PBTK

SKQDPA

PBT-CL

S25

NOTK

SKQDPA

NOTCH

R5

6.8K
S26

SKQDPA

R6

RIT

2.2K

C2

S27

SKQDPA

R7

dTX

4.7K
S28

SKQDPA

CLEAR

6

D

5

4

C

3

B

2

1

A

.

.

A

1

R
E

.

.

2

V
I
S

.

S
I
O
N
S

8 7 6 5 4 3 2 1

.

3

.

.

4

.

.

5

..

6

7
8
9

10

11...
12

.

.

.

.

.

.

.

.

APPD. CHKD.

DWN.BY:DATE MODEL

.

ICOM

HGEFDCB

2001.07.30

TEN-KEY BOARD

SCHEMATIC DIAGRAM

IJ

IC-756PRO2

DWN.NO.

A4A2-6C1

Icom Inc.

1

A

2345678

1

EDCBA

6

D

J1

F5K

16

F4K

15

F3K

14

F2K

13

F1K

5

4

C

3

12
11
10

9
8
7
6
5
4
3
2
1

16FMN-BMTTR-TBT

SPEK
EXTK
FILK
AMK
CWK
SSBK
KI2
KI1
5VF
GND
GND

6.8K

S1

SKQDPA

F-1

S6

SKQDPA

SSB

R1

0.1

R2

2.2K

S12

SKQDPA

C1

A

S2

SKQDPA

F-2

S7

SKQDPA

CW/RTTY

R3

4.7K

S13

SKQDPA

BC

SKQDPA

S3

SKQDPA

F-3

S8

SKQDPA

R4

15K

S14

S15

SKQDPA

D

S4

SKQDPA

F-4 F-5

S9

SKQDPA

FILTERAM/FM

R5

6.8K
S16

SKQDPA

EF

C2

0.1

2.2K

S5

SKQDPA

S10

SKQDPA

EXIT

R6

SKQDPA

R7

4.7K

S17

S11

SKQDPA

SPEECH

S18

SKQDPA

G

6

D

5

4

C

3

B

2

1

BA

1

A

R
E
V
I
S
I
O
N
S

8 7 6 5 4 3 2 1

..

2

.

3
4
5
6
7
8

.

.

.

.

.

.

.

.

.

.

.

.

.

C

DATE 2001.07.30

MODE BOARD

SCHEMATIC DIAGRAM

APPD. CHKD.

ICOM

DWN.NO.

IC-756PRO2MODEL

A4A3-6C1

Icom Inc.

ED

DWN.NO:

B

2

1

A

2345678

1

EDCBA

6

D

5

GND
GND
GND

J1
1

2
3
4
5
6
7
8
9
10

10FMN-BMTTR-TBT

R1

PITCH

4

C

NOTCH

RV-314

PBT2
PBT1

R3

47K

0.0047

R4

47K

S1

2

A

3

B

1

COM

5

A

6

B

4

COM

TP90D96E20-30F-2178-1

C2

C1

0.0047

5VF
NOTL
PITL
PB1A
PB1B
PB2A
PB2B

3

6

D

5

4

C

3

2

B

1

BA

A

R12
E
V
I
S
I
O
N
S

8 7 6 5 4 3 2 1

..
.

3
4
5
6
7
8

.

.

.

.

.

.

.

.

.

.

.

.

.

C

2001.07.30DATE

PBT BOARD

SCHEMATIC DIAGRAM

APPD. CHKD.

ICOM

D

MODEL

DWN.NO.

IC-756PRO2

A4A4-6C1

DWN.NO:

Icom Inc.

2

B

1

E

A