Rvco Unit Tvco Unit VR Unit, ¡BOTTOM View | Icom IC-FR3000 guide

FRONT UNIT

¡BOTTOM VIEW

to LOGIC UNIT J4

2

10

SPMUTE

MIC

L9V

M PTT

GND

1

REMOTE

MICE

GND

CLONE

MMONI

9

J1

1

2

to LOGIC UNIT J3

24

PROGL

RMTL

BUSYL

D5V

DB6

DB4

R/W

A5V

GND

DISP

CHUP

I MONI

DCL

TXL

BASEL

D5V

DB7

DB5

ENA

RS

GND

PROG

CHDN

I R/B

23

J2

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

1

2

1

2

		J9		J3			3	1
		J9		J3	+	to LOGIC UNIT		J8
	1	SPG	1	W18	+	to LOGIC UNIT		J8
	1	SPG	1	SPR	SP1	J13	L2	TELG L1
	2	SPR	2	SPG	SP1	J13
	2	SPR	2	SPG	–
		to JACK1		W19	–
		to JACK1
		UNIT J3

RVCO UNIT

TVCO UNIT

VR UNIT

¡BOTTOM VIEW

¡BOTTOM VIEW

¡BOTTOM VIEW

9 - 2

Image 49

Icom IC-FR3000 manual Rvco Unit Tvco Unit VR Unit, ¡BOTTOM View

Contents

IC-fr3000 iC-fr3 1 0 Ordering Parts IntroductionRepair Notes Table of Contents General Specifications PA Unit Board Layout Bottom view Logic Unit RX Unit TX Unit RF Circuit RX Unit Receiver Circuits2 1ST Mixer and 1ST if Circuits RX Unit 3 2ND if and Demodulator Circuits RX Unit Receiver Mute Circuits Logic Unit Transmitter CircuitsMIC Mute Case of the Dtmf Signals from Dialer IC Case of the 2/5TONE SignalsCase of the Ctcss and Dtcs Signals From the CPU Power Amplifier Circuit PA Unit PLL Circuits Other Circuits Power Supply Circuits Expander IC Logic Unit IC39 Port AllocationsExpander IC Logic Unit IC40 Expander IC Logic Unit IC41 5 D/A Converter IC TX Unit IC5 TEL DtcsiBusy MCK Preparation Battery RXRequired Test Equipment MIC Process to the Permit Adjustment Mode Access Before Entering the Adjustment Mode Operating in the Adjustment Mode Entering the Adjustment ModeExiting the Adjustment Mode After Finishing Adjustment Explanation of LCD Display in the Adjustment Mode Adjustment Mode CH ListWide Narrow IC-FR3000 TOP View PLL AdjustmentTX Unit TOP View RX Unit TOP View CP2 CP4 Software Adjustment Output PowerLOW Deviation Dtcs Ctcss REG Unit Section Parts List Logic Unit Front Unit Bridge 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 Unit Chassis Unit JACK2 Unit Option Unit Installation Duplexer and isolater installation Example 2 Duplexer Connection Connection Example 1 Isolater ConnectionExample 3 Duplexer and Isolater Connection ISO Isolater DUP Duplexer Mechanical Parts and Disassembly Front Unit REG Unit Rvco Unit Transistors and Fets SEMI-CONDUCTOR Information Diodes Tvco Unit Rvco Unit Front Unit ¡BOTTOM View Rvco Unit Tvco Unit VR Unit Board Logic Unit GND TMUTE1 Txaf Tone TMUTE2 Patemp Rvswr Fwswr RX Unit RX Unit TX Unit TX Unit PA Unit PA Unit REG Unit JACK2 Unit REG 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