ICOM i910H manuals

Icom i910H User Manual (78 pages)

Brand: Icom | Category: Measuring, testing & control | Size: 5.19 MB |

English

Table of contents

VHF/UHF ALL MODE TRANSCEIVER

1

ORDERING PARTS

2

REPAIR NOTES

2

INTRODUCTION

2

TABLE OF CONTENTS

3

SECTION 1 SPECIFICATIONS

4

■ RECEIVER

5

SECTION 2 INSIDE VIEWS

6

• PA UNIT

7

2-2 UX-910 (OPTIONAL UNIT)

8

WARNING!

10

RECOMMENDATION:

11

CR-293 soldering

12

SECTION 4 CIRCUIT DESCRIPTION

13

4-2 TRANSMITTER CIRCUITS

15

4-3 PLL CIRCUITS

17

CAUTION !

19

5-2 PLL ADJUSTMENTS

20

5-3 FREQUENCY ADJUSTMENT

20

5-4 RECEIVER ADJUSTMENTS

22

100 msec

24

5-5 TRANSMITTER ADJUSTMENTS

26

5-6 SOFTWARE ADJUSTMENT

30

5-7 UX-910 ADJUSTMENTS

36

SECTION 6 PARTS LIST

40

[FUNC BOARD]

42

[VR-A BOARD]

42

[VR-B BOARD]

42

[PLL UNIT][RIT BOARD]

43

[JACK BOARD]

43

[MIC BOARD]

43

[PLL UNIT][PLL UNIT]

44

[MAIN UNIT][PLL UNIT]

47

[MAIN UNIT][MAIN UNIT]

48

[PA UNIT][PA UNIT]

56

[DRV BOARD][PA UNIT]

63

[BARISTOR-A BOARD]

63

[VARISTOR-B BOARD]

63

[BARISTOR-C BOARD]

63

6-2 UX-910

64

SECTION 7 MECHANICAL PARTS

70

NI: Nickel NI-ZU: Nickel-zinc

71

BS: Brass ZK: Black

71

• TRANSISTORS AND FET’S

72

• DIODES

74

SECTION 9 BOARD LAYOUTS

75

• BOTTOM VIEW (VR-B BOARD)

76

Phone : 06 6793 5302

77

Fax : 06 6793 0013

77

S-13714HZ-C1

78

© 2001 Icom Inc

78

ICOM devices