Icom IC-FR3000 manual PA Unit

Page 56

9 - 8 PA UNIT

¡TOP VIEW

IC2

GND	TXRFIN				1	EP2			EP1
	10				1
W1	GND FWSWR RVSWR PATEMP PCON TMUTE2	M9V	M9V	GND GND		to REG UNIT	VCC1	GND	to REG UNIT
						EP7			EP8

to TX UNIT J4

to TX UNIT J1

W13 TX ANT

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

9 - 9

Image 56

Contents IC-fr3000 iC-fr3 1 0 Repair Notes IntroductionOrdering Parts Table of Contents Specifications GeneralBoard Layout PA UnitLogic Unit Bottom viewTX Unit RX UnitReceiver Circuits RF Circuit RX Unit2 1ST Mixer and 1ST if Circuits RX Unit 3 2ND if and Demodulator Circuits RX UnitMIC Mute Transmitter CircuitsReceiver Mute Circuits Logic Unit Case of the 2/5TONE Signals Case of the Dtmf Signals from Dialer ICCase of the Ctcss and Dtcs Signals From the CPU Power Amplifier Circuit PA UnitPLL Circuits Power Supply Circuits Other CircuitsPort Allocations Expander IC Logic Unit IC39Expander IC Logic Unit IC40 Expander IC Logic Unit IC415 D/A Converter IC TX Unit IC5 Dtcsi TELBusy MCKBattery RX PreparationRequired Test Equipment MICBefore Entering the Adjustment Mode Process to the Permit Adjustment Mode AccessEntering the Adjustment Mode Operating in the Adjustment ModeExiting the Adjustment Mode After Finishing AdjustmentAdjustment Mode CH List Explanation of LCD Display in the Adjustment ModeWide NarrowPLL Adjustment IC-FR3000 TOP ViewTX Unit TOP View RX Unit TOP View CP2 CP4Software Adjustment Power OutputLOW DeviationCtcss DtcsSection Parts List REG UnitFront Unit Logic UnitBridge Resistor ERJ12YJ390U ECEV1CA100SR ECEV1CA220SR Tantalum Teesva 1V 104M8L RX Unit Tantalum Teesva 1V 224M8L Rvco Unit TX Unit Tvco Unit PA Unit VR Unit JACK1 UnitJACK2 Unit Chassis UnitOption Unit Installation Duplexer and isolater installation Connection Example 1 Isolater Connection Example 2 Duplexer ConnectionExample 3 Duplexer and Isolater Connection ISO Isolater DUP DuplexerMechanical Parts and Disassembly Front Unit REG Unit Rvco Unit SEMI-CONDUCTOR Information Transistors and FetsDiodes Front Unit Tvco Unit Rvco UnitRvco Unit Tvco Unit VR Unit ¡BOTTOM ViewLogic Unit BoardGND TMUTE1 Txaf Tone TMUTE2 Patemp Rvswr Fwswr RX Unit RX Unit TX Unit TX Unit PA Unit PA Unit REG Unit JACK1 Unit REG UnitJACK2 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