ICOM IC-F3GB manuals

Icom IC-F3GB User Manual (83 pages)

Brand: Icom | Category: Chassis components | Size: 4.49 MB |

Table of contents

VHF FM TRANSCEIVERS

1

INTRODUCTION

2

ORDERING PARTS

2

REPAIR NOTES

2

TABLE OF CONTENTS

3

SECTION 1 SPECIFICATIONS

4

4-3 PLL CIRCUIT

10

4-4 POWER SUPPLY CIRCUITS

10

4-5 PORT ALLOCATIONS

11

5-1 PREPARATION

12

CAUTION:

14

Top view

14

5-2 PLL ADJUSTMENT

15

5-3 SOFTWARE ADJUSTMENT

16

SECTION 6 PARTS LIST

18

[MAIN UNIT][MAIN UNIT]

19

[CHASSIS UNIT]

22

[CHASSIS PARTS]

23

[MAIN UNIT]

23

[ACCESSORIES]

23

IC-F3GS parts

24

TRANSISTOR AND FET’S

25

SECTION 9 BOARD LAYOUTS

26

to the OPTIONAL unit

27

9-2 ETS/CEPT VERSION

28

9-3 W/N-TYPE

30

SECTION 10

32

10-3 VOLTAGE DIAGRAM

33

10-4 BOARD LAYOUT

33

SECTION 11 BLOCK DIAGRAM

34

SECTION 12 VOLTAGE DIAGRAM

35

UHF FM TRANSCEIVERS

41

SECTION 2 INSIDE VIEWS

45

3-1 DISASSEMBLY INSTRUCTION

46

1 Remove the option cover

47

SECTION 4 CIRCUIT DESCRIPTION

48

4-2 TRANSMITTER CIRCUITS

49

IC-F4GS parts

65

• MAIN UNIT (BOTTOM VIEW)

68

• MAIN UNIT (TOP VIEW)

69

ICOM devices