Icom IC-F3GS, IC-F3GT service manual Vhf

Page 30

9-3 W/N-TYPE

• MAIN UNIT (TOP VIEW)

DS2

 

C64

C55

R45

C63

C54

C294

L13

Q41

R89

C308

 

C113

X3

C112

 

R83

 

C307

R269

R82

 

R134

Q19

 

Q20

Q18

C159

 

C160

R135

 

 

 

 

R88

C119

C120

C122

C158

IC6

C156

C20

C283

A

 

C293

IC1

 

 

R34

R35

 

 

 

C290

C56

R90

C51

C300

Q10

R244

C116

 

C303

 

IC2

 

R253

 

 

C115

 

 

 

 

 

 

C111

 

 

 

R81

R80

Q14

C117

L7

 

 

 

 

R86

C121

R87

 

R85

C118

L28

 

C22

C280

 

L26

C21

C19

R255

L6

C282

C14

R142

L5

C289

VHF

W/N

DS1 C255

C256

DS3

Q25

R204

R205 R155

C215

J6

C49

 

Q34

R151

R264

R208

 

 

 

 

 

 

R185

 

 

 

 

R175

 

 

 

C295

R249

 

 

C233

R186

C234

C46

 

C211

 

 

 

 

 

 

 

R79

R84

 

C24

 

 

 

 

Q3

 

R13

 

 

 

 

 

R12

 

 

 

R15

C26

R11

R10

C23

 

R14

C25

 

 

 

C15

Q2

Q1

C50

R30

R31

Q11

R257

C286

 

 

 

 

 

 

 

 

 

 

 

 

C131

 

 

C301

 

R16

 

D3

R177

C217

C124

R176

C243

C75

R251

 

 

R7

C13

 

 

 

C17

R9

R5

 

 

 

 

 

C179

Q37

C251

D33

L32

 

 

 

R44

R169

R125

C212

R168

C148

R98

C213

R107

C214

R113

R170

IC4

C128 R112

R17

 

 

C133

R105

C134

 

 

 

R97

D4

C136

R114

 

R115

 

 

 

C137

C135

 

 

R117

 

 

 

 

 

 

C96

D12

 

 

 

 

 

 

 

R109

R108

R116

R93

R54

 

 

 

 

IC3

 

D11

C92

 

 

R162

 

 

R3

W7

 

 

 

 

 

R163

C252

 

 

R210

C10

D32

R2

 

R161

C205

 

 

 

 

 

 

 

 

 

R53

C73

R65

D1

C5

L15

C52

C4

D2

 

 

 

 

C2

J6

MC1

C95

 

 

R67

R66

 

 

D27

 

C299

R174

Q31

 

 

 

C90

L18

R61

 

R52

R64

C93

 

R222

R62

 

C85

D10 C84

R57

L22

 

 

R1

 

D8

C78

 

 

D9

C81

 

 

 

C1

9 - 5

Image 30
Contents VHF FM Transceivers Introduction Ordering PartsRepair Notes Table of Contents Section Specifications EIA/TIAInside Views Main Unit TOP ViewBottom View Removing the Chassis Panel Disassembly and Option InstructionsDisassembly Instruction Removing the Main UnitOptional Unit Installations Circuit Description Receiver CircuitsTransmitter Circuits Power Supply Circuits Voltage Line PLL CircuitPort Allocations Output Expander IC IC10Adjustment Procedures Preparation¥ JIG cable Top view PLL Adjustment Software Adjustment TXFSoftware Adjustment Parts List Main UnitVariable Thermistor NTCCM20124AG473J-T Tantalum ECST0JY106R Chassis Unit Mechanical Parts and Disassembly AccessoriesChassis Parts IC-F3GS parts SEMI-CONDUCTOR Information Transistor and FET’SDiodes Board Layouts General and EIA/TIA Versions Except W/N-TYPEMP6 Main Unit Bottom ViewIC1 ETS/CEPT VersionMP5 VHF FI1 BC-137 Optional Desktop Charger Informasion Parts ListDisassembly Information ConvenientVoltage Diagram Board LayoutBlock Diagram Option UnitVoltage Diagram BU4066BCFVBand of ETS/CEPT version N-type DTA144EU Section Voltage Diagram Avref Vtref Toned Tonem AvccPage 32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan UHF FM Transceivers IC-F4GTIC-F4GS Preparation PLL Adjustment Software Adjustment Power supply requirement APC IC3A NJM3403AV Disassembly and Option Instructions Optional Unit Installations 2ND if and Demodulator Circuits RF signal From PLL Driver PLL Circuit Power Supply Circuits Voltage Line Resistor R132PTT Adjustment Procedures Screen Display Example DC Power Cable Connections L405 L11 Powerlo BPF T1 NJM3403AV-TE1 IC4 Resistor ERJ2GE Thermistor NTCCM1608 4LH 223KC Ceramic ECUE1H470JCQ ECEV1CA470SP Other Ceramic ECJ0EB1E471K Band MHz band MHz and H-band IC-F4GS parts DTA144 EU DTC144 EE DTC144 EU DTC144 TU LOW Band DS1FI1 440-470 MHz Band Except W/N-TYPE Icom 470-500 MHz and High Bands B5542B C308 Q19 B5688B BC-137 Optional Desktop Charger Informasion Voltage Diagram Type Type of GEN Type of GEN and EIA/TIA version NJM3403AV M1-band of GEN and EIA/TIA version G W-type of GEN Type 2SC3585 R44 Q403 2SC5107 O Band of ETS/CEPT version N-type M1 440-470 MHz-band Page 13713IZ-C1U
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