Icom IC-FR3000 manual GND TMUTE1 Txaf Tone TMUTE2 Patemp Rvswr Fwswr

Page 51

to OPTIONAL UNIT

LOGIC UNIT

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

¡BOTTOM VIEW

SDTI

SDTO

CIRQ

DISCO

GND

SCK

CCS

NC

NC

NC

NC

NC

NC

NC

L5V

NC NC

NC GND NC NC

OPT1

SIGOUT

NC NC

NC NC NC NC NC

15

14

13

12

11

10

9

8

7 6

5 4

3 2 1

J8

22

21

GND

GND

M9V

M9V

GND

SCK

SDTO

RPLSTB

GND

R9C

to RX UNIT J2 RUNLK

J1

RSSI

W/NS

RLV

RVCON

TUNE

GND

DISC

SQL

GND

NDET

GND

2

1

22

21

GND

M9V

M9V

SCK

SDTO

DA1STB

TPLSTB

TUNLK

TLV

J2

to TX UNIT J3

GND

TMUTE1

W/NS

GND

TXAF

I TONE

E TONE

GND

TMUTE2

PATEMP

RVSWR

FWSWR

GND

2

1

The combination of this page and the previous page shows the unit layout in the same configuration as the actual P.C. Board.

NC

1

30

GND

NC

2

29

L5V

MICO

3

28

NC

MICI

4

27

NC

NC

5

26

NC

NC

6

25

NC

NC

7

24

NC

to OPTIONAL

SIGOUT

8

23

DISCO

UNIT

NC

9

22

AFOUT

NC

10

21

NC

OPT3

11

20

CCS

J7

GND

12

19

NC

NC

13

18

SDTO

NC

14

17

SDTI

NC

15

16

SCK

10

9

REMOTE

SPMUTE

J4

MICE

MIC

GND

to FRONT UNIT J1

L9V

CLONE

M PTT

M MONI

GND

2

1

24

23

DCL

PROGL

TXL

RMTL

BASEL

BUSYL

D5V

D5V

DB7

DB6

J3

DB5

DB4

ENA

to FRONT UNIT J2

R/W

RS

A5V

GND

GND

PROG

DISP

CHDN

CHUP

I R/B

I MONI

2

1

4

1

J5

GND

GND2

VCC2

VCC2

to REG UNIT J13

J6

9

M9V

L9V

A5V

REGTEMP

M9C

1

to REG UNIT J14

10

GND

M9V

L9V

A5V

PSD

2

9 - 4

Image 51

Contents IC-fr3000 iC-fr3 1 0 Introduction Ordering PartsRepair Notes Table of Contents General SpecificationsPA Unit Board LayoutBottom view Logic UnitRX Unit TX Unit3 2ND if and Demodulator Circuits RX Unit Receiver CircuitsRF Circuit RX Unit 2 1ST Mixer and 1ST if Circuits RX UnitTransmitter Circuits Receiver Mute Circuits Logic UnitMIC Mute Power Amplifier Circuit PA Unit Case of the 2/5TONE SignalsCase of the Dtmf Signals from Dialer IC Case of the Ctcss and Dtcs Signals From the CPUPLL Circuits Other Circuits Power Supply CircuitsExpander IC Logic Unit IC41 Port AllocationsExpander IC Logic Unit IC39 Expander IC Logic Unit IC405 D/A Converter IC TX Unit IC5 MCK DtcsiTEL BusyMIC Battery RXPreparation Required Test EquipmentProcess to the Permit Adjustment Mode Access Before Entering the Adjustment ModeAfter Finishing Adjustment Entering the Adjustment ModeOperating in the Adjustment Mode Exiting the Adjustment ModeNarrow Adjustment Mode CH ListExplanation of LCD Display in the Adjustment Mode WideCP4 PLL AdjustmentIC-FR3000 TOP View TX Unit TOP View RX Unit TOP View CP2Software Adjustment Deviation PowerOutput LOWDtcs CtcssREG Unit Section Parts ListLogic Unit Front UnitBridge Resistor ERJ12YJ390U ECEV1CA100SR ECEV1CA220SR Tantalum Teesva 1V 104M8L RX Unit Tantalum Teesva 1V 224M8L Rvco Unit TX Unit Tvco Unit PA Unit JACK1 Unit VR UnitChassis Unit JACK2 UnitOption Unit Installation Duplexer and isolater installation ISO Isolater DUP Duplexer Connection Example 1 Isolater ConnectionExample 2 Duplexer Connection Example 3 Duplexer and Isolater ConnectionMechanical Parts and Disassembly Front Unit REG Unit Rvco Unit Transistors and Fets SEMI-CONDUCTOR InformationDiodes Tvco Unit Rvco Unit Front Unit¡BOTTOM View Rvco Unit Tvco Unit VR UnitBoard Logic UnitGND TMUTE1 Txaf Tone TMUTE2 Patemp Rvswr Fwswr RX Unit RX Unit TX Unit TX Unit PA Unit PA Unit REG Unit REG Unit JACK2 UnitJACK1 Unit Block Diagram PA Unit Wiring Diagram Section Voltage Diagram Rvco Unit TX Unit PA Unit Unit Logic Unit Chassis Unit Icom New Zealand 32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan