Manuals / Icom / Marine Equipment / Marine Radio

Icom IC-F3GT service manual IC-F3GS parts, UNIT abbreviation C CHASSIS PARTS, M MAIN UNIT

Models: IC-F3GS

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UNIT abbreviation (C): CHASSIS PARTS, (M): MAIN UNIT

MP33 (C)

MP26 (C)

MP39 (C) MP32 (C)

MP23 (C)

MP3 (C)

MP12 (C)

MP5 (M)

MP32 (C)

	MP31 (C)	MP4 (C)
	MP15 (C)	MP25 (C)
	MP2 (C)	MP25 (C)
	MP2 (C)	MP5 (C)
		MP5 (C)
	MP31 (C)
	MP14 (C)
	MP36 (C)
	MP38 (C)
		MP8 (C)

MP37 (C)

MP31 (C)

MP41 (C)

MP40 (C)

MP9 (C)

MP10 (C)

MP27 (C)

MP1 (C)

MP24 (C)

MP7 (C)

UNIT abbreviation (C): CHASSIS PARTS, (M): MAIN UNIT

MP2 (M)

MP18 (C)

MP32 (C)	MP1 (M)
	MP1 (M)
MP31 (C)

SP1 (M)

		MP31 (C)
	MP4 (M)
	EP2 (M)	MAIN unit
	DS1 (M)	MAIN unit
	DS1 (M)

MP3 (M)

MP31 (C)

MP21 (C)

MP20 (C)

MP13 (C)

MP33 (C)

MP22 (C)

MP32 (C)

IC-F3GS parts

MP13 (C)

MP1 (C)

7 - 2

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Icom IC-F3GT service manual IC-F3GS parts, UNIT abbreviation C CHASSIS PARTS, M MAIN UNIT

Contents

SERVICE MANUAL VHF FM TRANSCEIVERSINTRODUCTION DANGERORDERING PARTS REPAIR NOTESTABLE OF CONTENTS SPECIFICATIONS SECTIONETS 300 EIA/TIASECTION 2 INSIDE VIEWS MAIN UNIT TOP VIEWBOTTOM VIEW SECTION 3 DISASSEMBLY AND OPTION INSTRUCTIONS 3-1 DISASSEMBLY INSTRUCTIONREMOVING THE CHASSIS PANEL REMOVING THE MAIN UNIT3-2 OPTIONAL UNIT INSTALLATIONS Remove the option coverSECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS4-1-1 ANTENNA SWITCHING CIRCUIT 4-1-2 RF CIRCUIT4-2 TRANSMITTER CIRCUITS 4-1-7 WIDE AND NARROW SWITCHING CIRCUIT4-2-3 DRIVE/POWER AMPLIFIER CIRCUITS 4-1-5 AF CIRCUIT4-3 PLL CIRCUIT 4-4 POWER SUPPLY CIRCUITS VOLTAGE LINEPLL circuit LINE4-5 PORT ALLOCATIONS 4-5-1 CPU IC8CPU IC8-continued 4-5-2 OUTPUT EXPANDER IC IC10SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATIONSTARTING SOFTWARE ADJUSTMENT ADJUSTMENT SOFTWARE INSTALLATIONRF Power High Screen display exampe¥ JIG cable CS-F3G ADJ Rev.2.0¥ DC power cable connections Top viewConnection 5-2 PLL ADJUSTMENT ADJUSTMENTADJUSTMENT CONDITIONS ADJUSTMENT5-3 SOFTWARE ADJUSTMENT ADJUSTMENTADJUSTMENT CONDITION MEASUREMENTSOFTWARE ADJUSTMENT - continued ADJUSTMENTADJUSTMENT CONDITION MEASUREMENTSECTION 6 PARTS LIST MAIN UNITMAIN UNIT ORDERMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT MAIN UNITCHASSIS UNIT ORDERSECTION 7 MECHANICAL PARTS AND DISASSEMBLY ACCESSORIESCHASSIS PARTS MAIN UNITIC-F3GS parts UNIT abbreviation C CHASSIS PARTS, M MAIN UNITSECTION 8 SEMI-CONDUCTOR INFORMATION TRANSISTOR AND FET’SDIODES SECTION 9 BOARD LAYOUTS 9-1 GENERAL AND EIA/TIA VERSIONS EXCEPT W/N-TYPEMAIN UNIT TOP VIEW R143 OPTIONB5386H ICOM9-2 ETS/CEPT VERSION MAIN UNIT TOP VIEWB5571C R143ICOM to the OPTIONAL unitVHF W/N DS1 C2559-3 W/N-TYPE MAIN UNIT TOP VIEWB5687A BUSYOPTION ICOM10-1 PARTS LIST 10-2 DISASSEMBLY INFORMATIONSECTION 10 BC-137 OPTIONAL DESKTOP CHARGER INFORMASION MAIN UNIT10-3 VOLTAGE DIAGRAM 10-4 BOARD LAYOUT2SB1201 S RN2404SECTION 11 BLOCK DIAGRAM W/N-typeETS/CEPT version W-type of GENSECTION 12 VOLTAGE DIAGRAM A L-band of ETS/CEPT version Page VOLTAGE DIAGRAM SECTIONP81/AN1 P82/AN2 P83/AN3 P84/AN4 P85/AN5 P86/AN6 P87/AN7Page 1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan S-13713IZ-C1V2000 Icom Inc UHF FM TRANSCEIVERS INTRODUCTION DANGERORDERING PARTS REPAIR NOTESTABLE OF CONTENTS SPECIFICATIONS SECTIONETS 300 EIA/TIAAntenna switcing circuit D2, D8 MA77 Power amplifier Q1 2SK2974 APC SECTION 2 INSIDE VIEWSMAIN UNIT TOP VIEW BOTTOM VIEWSECTION 3 DISASSEMBLY AND OPTION INSTRUCTIONS 3-1 DISASSEMBLY INSTRUCTIONREMOVING THE CHASSIS PANEL REMOVING THE MAIN UNIT3-2 OPTIONAL UNIT INSTALLATIONS 1 Remove the option cover3 Replace the option cover to the chassis-hole 4-1-1 ANTENNA SWITCHING CIRCUIT SECTION 4 CIRCUIT DESCRIPTION4-1 RECEIVER CIRCUITS 4-1-2 RF CIRCUIT4-1-7 WIDE AND NARROW SWITCHING CIRCUIT 4-2-3 DRIVE/POWER AMPLIFIER CIRCUITS4-2 TRANSMITTER CIRCUITS 4-1-5 AF CIRCUIT4-4 POWER SUPPLY CIRCUITS VOLTAGE LINE 4-3 PLL CIRCUITPLL CIRCUIT LINE4-5 PORT ALLOCATIONS 4-5-1 CPU IC8CPU IC8-continued 4-5-2 OUTPUT EXPANDER IC IC10SECTION 5 ADJUSTMENT PROCEDURES STARTING SOFTWARE ADJUSTMENTADJUSTMENT SOFTWARE INSTALLATION 5-1 PREPARATIONSCREEN DISPLAY EXAMPLE JIG CABLESQL Lev DC POWER CABLE CONNECTIONS Top viewCONNECTION computer5-2 PLL ADJUSTMENT ADJUSTMENTADJUSTMENT CONDITIONS ADJUSTMENT5-3 SOFTWARE ADJUSTMENT ADJUSTMENTADJUSTMENT CONDITION MEASUREMENTSOFTWARE ADJUSTMENT - continued ADJUSTMENTADJUSTMENT CONDITION MEASUREMENTSECTION 6 PARTS LIST MAIN UNITMAIN UNIT ORDERMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT MAIN UNITORDER DESCRIPTIONMAIN UNIT ORDERDESCRIPTION SECTION 7 MECHANICAL PARTS AND DISASSEMBLY ACCESSORIESCHASSIS PARTS MAIN UNITIC-F4GS parts EP2 M MAIN unitSECTION 8 SEMI-CONDUCTOR INFORMATION TRANSISTOR AND FET’SDIODES 9-1 LOW BAND SECTION 9 BOARD LAYOUTSU H F MAIN UNIT TOP VIEWR143 9-2 440-470 MHz BAND EXCEPT W/N-TYPE U H FMAIN UNIT TOP VIEW ICOM 9-3 470-500 MHz AND HIGH BANDS MAIN UNIT TOP VIEWJ5 to the OPTIONAL unit9-4 W/N-TYPE MAIN UNIT TOP VIEWR143 10-1 PARTS LIST 10-2 DISASSEMBLY INFORMATIONSECTION 10 BC-137 OPTIONAL DESKTOP CHARGER INFORMASION MAIN UNIT10-3 VOLTAGE DIAGRAM 10-4 BOARD LAYOUTSECTION 11 BLOCK DIAGRAM W/N-typeW-type of GEN N-typeVOLTAGE DIAGRAM SECTIONTx 2.19 Tx 4.8447 P 47 P OTHER VOLTAGE DIAGRAM SECTIONCPU5 DTMF MTONE CPU5 BDET PTT CTCIN CPU5Page 1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan S-13713IZ-C1U2000 Icom Inc