ICOM IC-M802 manuals

Icom IC-M802 User Manual (79 pages)

Brand: Icom | Category: Boating Accessories | Size: 7.94 MB |

English

Table of contents

MF/HF MARINE TRANSCEIVER

1

INTRODUCTION

2

ORDERING PARTS

2

REPAIR NOTES

2

TABLE OF CONTENTS

3

SECTION 1 SPECIFICATIONS

4

SECTION 2 INSIDE VIEWS

6

SECTION 3 CIRCUIT DESCRIPTION

7

• DSP CIRCUIT

8

• AGC CIRCUIT

8

3-2 TRANSMITTER CIRCUITS

9

• RF FILTER CIRCUIT

10

• ALC CIRCUIT

11

3-3 PLL CIRCUITS

12

3-5 FRONT UNIT (RC-25)

13

3-6 POWER SUPPLY CIRCUITS

14

3-7 PORT ALLOCATIONS

15

TERS (IC3604)

16

DISPLAY BOARD; IC8201)

17

4-1 PREPARATION

18

[DOWN] key

19

Connect to [MIC] connector

19

4-2 PLL UNIT ADJUSTMENT

20

4-4 RECEIVER ADJUSTMENTS

24

Receiver gain adjustment

25

Noise null point adjustment

25

DSC peak adjustment

25

4-5 TRANSMITTER ADJUSTMENTS

26

SECTION 5 PARTS LIST

28

[MAIN UNIT][MAIN UNIT]

29

[PLL UNIT][MAIN UNIT]

36

[PLL UNIT]

36

[PLL UNIT][PLL UNIT]

37

[PA UNIT]

39

[PA UNIT][PA UNIT]

40

[FILTER UNIT][FILTER UNIT]

41

[DRIVER UNIT][FILTER UNIT]

42

[VARISTOR-1 BOARD]

42

[VARISTOR-2 BOARD]

42

[DSP UNIT]

43

[DSP UNIT][DSP UNIT]

44

[DISPLAY UNIT]

45

[FRONT UNIT]

45

[DISPLAY UNIT][DISPLAY UNIT]

46

[JACK UNIT]

46

[SENSOR UNIT]

46

6-1 RC-25

48

6-2 SP-24

48

6-3 HM-135

48

6-4 IC-M802

48

BT, B0: Selt-tapping

49

SUS: Stainless NI: Nickel

49

NI-ZU: Nickel-Zinc ZK: Black

49

• TRANSISTOR AND FET’S

52

• DIODES

52

SECTION 8 BOARD LAYOUTS

53

8-2-4 VR BOARD

54

• BOTTOM VIEW (JACK BOARD)

54

• BOTTOM VIEW (CONNECT BOARD)

54

• BOTTOM VIEW (SENSOR BOARD)

54

• BOTTOM VIEW (DISPLAY BOARD)

56

8-3 IC-M802

57

• BOTTOM VIEW (DSP BOARD)

58

8-3-2 MAIN UNIT

59

• TOP VIEW

59

• BOTTOM VIEW (MAIN UNIT)

60

8-3-3 FILTER BOARD

61

• BOTTOM VIEW (FILTER BOARD)

62

8-3-4 PLL UNIT

63

8-3-5 PA UNIT

64

8-3-6 DRIVER BOARD

65

8-3-7 VARISTOR-1 BOARD

65

• BOTTOM VIEW (DRIVER BOARD)

66

8-3-8 VARISTOR-2 BOARD

66

SECTION 9 BLOCK DIAGRAM

67

SECTION 10 WIRING DIAGRAM

68

SECTION 11 VOLTAGE DIAGRAMS

69

MAIN UNIT(1)

70

11-2-2 MAIN UNIT (2)

71

MAIN UNIT(3)

72

DSP BOARD

72

11-2-4 PA UNIT

73

11-2-5 PLL UNIT (1)

74

11-2-6 PLL UNIT (2)

75

11-2-7 DSP BOARD

76

FILTER BOARD

77

Phone : +81 (06) 6793 5302

78

Fax : +81 (06) 6793 0013

78

S-13901HZ-C1-2

79

C 2002, 2003 Icom Inc

79

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