Icom IC-FR3000 manual Section Voltage Diagram

SECTION 12

VOLTAGE DIAGRAM

J1

GND

REMOTE

FREE: 4.7V

SP MUTE

REMOTE

1

SPMUTE

R18

S7 SKQDPB

PUSH: 0.0V

S8 SKQDPB

MICE

2

47

MIC

3

4

5.0V

GND

R17

3.8V

J4

5

to LOGIC UNIT J4

L9V

D5V

47

GND

CLONE

6

16

7

BLV

M PTT

15

8

DB7

DB7

LCD

M MONI

14

9

DB6

DB6

REMOTE

GND

DB5

DB5

13

10

12

DB4

DB4

SP MUTE

11

DB3

10

DB2

9

DS7

DB1

RPT/BASE

MONI

8

FREE: 4.2V

DB0

MSC-C161UYLY-4W

7

S6 SKQDPB

PUSH: 0.0V

S5 SKQDPB

ENA

ENA

J9

6

CP1

R/W

R/W

Q1 2SC4081

SPG

J2

5

M MONI

1

3

to JACK1 UNIT J3

I MONI

BS

RS

4

SPR

LCDV

LCDV

R1

2

4

24

3

C16

I R/B

A5V

A5V

470

C19

23

2

0.001

CHUP

GND

GND

22

1

0.001

R27

CHDN

TX: 0.0V

21

CP2

DISP

5.0V

0.5V

I R/B

R26

CP3

15

RX: 4.4V

20

47k

PROG

19

I MONI

L1

C15

R28

SP1

GND

18

R15

1∝H

GND

C12

R24

MIC

0.001

15

J3

17

1.5k

SPR

A5V

0.001

47k

CH DN

CH UP

MICE

1

3

1

16

FREE: 4.7V

RS

S4 SKQDPB

S3 SKQDPB

SPG

15

R23

PUSH: 0.0V

M PTT

R2 10

2

4

2

R/W

14

ENA

47k

CLONE

R3 10

C20

13

C13

C14

to LOGIC UNIT J3

DB4

0.001

12

R22

L9V

MONIM

0.001

0.001

DB5

CLONE

PTTM

11

NNCD8.2C

0.001

L9V

MICE

MIC

SPG

SPR

DB7

47k

10

DB6

D1

C4

9

D5V

R21

CH DN

9.1V

D3

8

NNCD8.2C

D5V

47k

7

CH UP

J7

BUSYL

5.0V

C1

C2

C3

D2

C5

6

M MONI

5

BASEL

ANI CLR

PROG

0.001

0.001

0.001 NNCD8.2C

0.001

M MONI

8

RMTL

4

SPG

SPG

3

TXL

S2 SKQDPB

S1 SKQDPB

MIC

MIC

7

PROGL

6

2

MICE

MICE

DCL

5

SP/MIC

1

M PTT

M PTT

4

SPR

SPR

3

CLONE

CLONE

DCL

PROGL

TXL

BUSYL

BASEL

RMTL

FREE: 4.7V

L9V

2

L9V

Turn ON:

4.8V

Turn ON: 4.8V

Turn ON: 4.8V

Turn ON: 4.8V

Turn ON:

4.8V

Turn ON: 4.8V

PUSH: 0.0V

1

Turn OFF: 0.0V

Turn OFF: 0.0V

Turn OFF: 0.0V

Turn OFF: 0.0V

Turn OFF: 0.0V

Turn OFF: 0.0V

W1

DISP

[GEN2], [GEN4],

Turn ON:

2.1V

R8 Turn ON:

2.1V

R9 Turn ON:

1.8V

R10 Turn ON:

2.1V

R11

Turn ON:

2.1V

R12

Turn ON:

2.1V

R13

[EUR2], [FRG2]

J6

PROG

Turn OFF: 0.0V

150 Turn OFF: 0.0V

150 Turn OFF: 0.0V

180 Turn OFF: 0.0V

150

Turn OFF: 0.0V

150

Turn OFF: 0.0V

150

1

2

1

Power supply: DC13.6V

L1

2

LINE

DS1

DS2

DS3

DS4

DS5

DS6

F1

L2

FRONT UNIT

Mesurement Frequency:

TX 162.500 MHz, RX 162.125 MHz /

C18

3

BG3889S

BG3889S

BR-3889S

BG3889S

BG3889S

BG3889S

SRB-1A

4

Internal resister of a volt meter: 50 kΩ/V

0.001

[USA2]

J8

DC

P

TX

BUSY

BASE

REMOTE

3

L2

L2

L2

C17

R19

to LOGIC UNIT J13

TELG

TELG

TELG

0.001

KU10R29N

2

L1

L1

L1

1

to LOGIC UNIT J11

to LOGIC UNIT J10

J1

J2

L23 BLM21PG221SN1

BUSY OUT

1

14

1

BUSYOUT

TXOUT

L22 BLM21PG221SN1

TX OUT

14

2

COAXSW

L21 BLM21PG221SN1

COAXIAL SW

2

3

M/SO

L20 BLM21PG221SN10

M/S OUT

15

4

M/SI

L19 BLM21PG221SN1

M/S IN

3

5

D0

L18 BLM21PG221SN1

D0

16

6

D1/CTS

L17 BLM21PG221SN1

D1

4

7

D2/RTS

L16 BLM21PG221SN1

D2

17

8

D3/DTO

L15 BLM21PG221SN1

D3

5

9

D4/DTI

L14 BLM21PG221SN1

D4

18

10

E R/B

L13 BLM21PG221SN1

EXT RPT/BASE

6

11

E PT2

L12 BLM21PG221SN1

EXT PTT

19

12

D-SUB25P JACK

E MONI

L11 BLM21PG221SN1

EXT MONI

7

15

13

D22

D20

D18

D16

D14

D12

RSSI

20

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

EXT DTCS

8

C22

C20

C18

C16

C14

C12

AGND

21

EXTMOD IN B

9

220p

220p

220p

220p

220p

220p

AGND

22

EXTMOD IN A

10

AGND

23

AF OUT

11

D23

D21

D19

D17

D15

D13

D11

AGND

24

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

DISC OUT

12

C23

C21

C19

C17

C15

C13

C11

DC GND

25

+15V

13

220p

220p

220p

220p

220p

220p

220p

J3

RSSI

L6 BLM21PG221SN1

RSSI

15

13

E MODG

12

L5 BLM21PG221SN1

E DTCS

E DTCS

11

E MODG

L4 BLM21PG221SN1

E MOD3

10

E MOD3

L3 BLM21PG221SN1

E MOD2

9

E MODG

8

L2 BLM21PG221SN1

E MOD2

AF OUT

7

AF GND

AF GND

6

AF OUT

L1 BLM21PG221SN1

DISC OUT

5

AF GND

4

DISC OUT

DC GND

3

DC GND

+E15V

2

+E15V

14

1

C6

C5

C4

C3

C2

C1

C8

220p

47p

47p

47p

47p

47p

220p

JACK2 UNIT

CP2

CP1

D6

D5

D4

D3

D2

D1

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

NNCD8.2C

to FRONT UNIT J9

to LOGIC UNIT J9

											SP JACK
											J1
					JACK1 UNIT
										C14
1										0.001
2			J3							C13
			SPG					SPG		47p
	14	1
		2	SPR					SPR		CP1
			SP					SP
1		3								J2
			SPG					SPG
2		4							L1
			–PTT					–PTT
3		5								1
			+PTT					+PTT	L2
4		6								2
			–AFOUT					–AFOUT	L3
5		7								3
			+AFOUT					+AFOUT	L4		MODULAR JACK
6		8								4
7		9	–EXTMOD					–EXTMOD	L5	5
			+EXTMOD					+EXTMOD	L6
8		10								6
			+BUSY					–BUSY	L7
9		11								7
			–BUSY					+BUSY	L8
10		12								8
11	15	13	C11					L1 – L8
				C10	C8	C6	C4	BLM21PG221SN1
			47p					C2
				220p	220p	220p	220p	220p
			C12	R10	R8	R6	R4	R2
			47p	KU15N14	KU15N14	KU15N14	KU15N14	KU15N14

C9	C7	C5	C3	C1
220p	220p	220p	220p	220p
R9	R7	R5	R3	R1
KU15N14	KU15N14	KU15N14	KU15N14	KU15N14

NOTE :

Voltage line

RX line

12 - 1