TX Unit, RX Unit | Icom IC-FR3000 specification

• TX UNIT

Top view

*: Located under side of this point.

TX VCO circuit

Mixer

(IC6: NJM2107F)

D/A converter* (IC5: M62364FP)

PLL reference oscillator

12.8MHz

(X1: CR-759)

PLL IC*

(IC2: MB1511PFV)

• RX UNIT

Top view

*: Located under side of this point.

PLL IC*	RF amplifier
(IC4: MB1511PFV)	(Q1: 2SC5337)

1st Mixer (IC1: GN2011)

Lo amplifier* (Q8: 2SC4226, Q9: 2SC4703)

RX VCO circuit

IF amplifier (Q3: 2SK1771)

Reference oscillator	Noise amplifier	IF IC	2nd Lo oscillator
Reference oscillator	Noise amplifier	IF IC	31.195 MHz
12.8 MHz	(IC8: NJM2902V)	(IC2: TA31136FN)	(X2: CR-757)
(X3: CR-732)

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Image 7

Icom IC-FR3000 manual TX Unit, RX Unit

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 3 2ND if and Demodulator Circuits RX Unit Receiver CircuitsRF Circuit RX Unit 2 1ST Mixer and 1ST if Circuits RX Unit Receiver Mute Circuits Logic Unit Transmitter CircuitsMIC 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 CPU PLL Circuits Other Circuits Power Supply Circuits Expander IC Logic Unit IC41 Port AllocationsExpander IC Logic Unit IC39 Expander IC Logic Unit IC40 5 D/A Converter IC TX Unit IC5 MCK DtcsiTEL Busy MIC Battery RXPreparation Required Test Equipment Process to the Permit Adjustment Mode Access Before Entering the Adjustment Mode After Finishing Adjustment Entering the Adjustment ModeOperating in the Adjustment Mode Exiting the Adjustment Mode Narrow Adjustment Mode CH ListExplanation of LCD Display in the Adjustment Mode Wide CP4 PLL AdjustmentIC-FR3000 TOP View TX Unit TOP View RX Unit TOP View CP2 Software Adjustment Deviation PowerOutput LOW 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 ISO Isolater DUP Duplexer Connection Example 1 Isolater ConnectionExample 2 Duplexer Connection Example 3 Duplexer and Isolater Connection 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