Icom IC-F3GS service manual Table of Contents

Page 3

TABLE OF CONTENTS

SECTION

1

SPECIFICATIONS

 

SECTION

2

INSIDE VIEWS

 

SECTION

3

DISASSEMBLY AND OPTION INSTRUCTIONS

 

 

3-1

DISASSEMBLY INSTRUCTION

.3 - 1

 

3-2

OPTIONAL UNIT INSTALLATIONS

.3 - 2

SECTION

4

CIRCUIT DESCRIPTION

 

 

4-1

RECEIVER CIRCUITS

.4 - 1

 

4-2

TRANSMITTER CIRCUITS

.4 - 2

 

4-3

PLL CIRCUITS

.4 - 3

 

4-4

POWER SUPPLY CIRCUITS

.4 - 3

 

4-5

CPU PORT CIRCUITS

.4 - 4

SECTION

5

ADJUSTMENT PROCEDURES

 

 

5-1

PREPARATION

.5 - 1

 

5-2

PLL ADJUSTMENT

.5 - 4

 

5-3

SOFTWARE ADJUSTMENT

.5 - 5

SECTION

6

PARTS LIST

 

SECTION

7

MECHANICAL PARTS AND DISASSEMBLY

 

SECTION

8

SEMI-CONDUCTOR INFORMATION

 

SECTION

9

BOARD LAYOUTS

 

SECTION

10

BLOCK DIAGRAM

 

SECTION

11

VOLTAGE DIAGRAM

 

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Contents VHF FM Transceivers Introduction Ordering PartsRepair Notes Table of Contents ‘ Receiver Section Specifications‘ General ‘ TransmitterInside Views Main Unit TOP ViewBottom View Removing the Main Unit Disassembly and Option InstructionsDisassembly Instruction Removing the Chassis PanelSponge Optional Unit InstallationsReceiver Circuits Circuit DescriptionTransmitter Circuits OPT Power Supply Circuits Voltage LinePLL Circuit VCCOutput Expander IC IC10 Port AllocationsPreparation Adjustment ProceduresSPE GNDClone PLL Adjustment Software Adjustment DC Power SupplyVoltage PLL AdjustmentPLL Lock MainSoftware Adjustment SQL SensitivitySquelch LevelMain Unit Parts ListVariable Ceramic JB 1C EP1 EP2 MP1 MP2 Mechanical Parts and DisassemblyAccessories Chassis PartsIC-F3GS parts SEMI-CONDUCTOR Information Transistor and FET’SDiodes Main Unit Board LayoutsCirq FI2IC8 IC5BlLOCK Diagram IC3C Voltage DiagramIC1 DTA144EU Avref Vtref Toned Tonem Avcc Section Voltage Diagram16, Kamihigashi, Hirano-ku, Osaka 547-0002, Japan 16, Kamihigashi, Hirano-ku, Osaka, 547-0002, Japan
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