TABLE OF CONTENTS-continued

TM 11-6625-444-14-2

TABLE OF CONTENTS (Cont)

CHAPTER 5.

FUNCTIONING OF EQUIPMENT (Cont)

Paragraph

Page

Section II.

Logic circuit description (cont)

Up range detector, minus voltage . . . . . . . .

5-10

5-8

Up range detector, plus voltage . . . . . . . . .

5-11

5-8

Down range detector, minus voltage . . . . . .

5-12

5-8

Down range detector, plus voltage . . . . . . .

5-13

5-8

Autorange logic (A2 Assembly) . . . . . . . . . .

5-14

5-8

Remote autorange . . . . . . . . . . . . . . . . . .

5-15

5-9

Ratio autoranging (A1 Assembly) . . . . . . . . .

5-16

5-10

Ratio up range detector, plus input signal . . .

5-17

5-10

Ratio up range detector, minus input signal . .

5-18

5-10

Ratio down range detector, plus input signal .

5-19

5-10

Ratio down range detector, minus input signal

5-20

5-11

Function logic tables . . . . . . . . . . . . . . . . .

5-21

5-11

Timing waveforms . . . . . . . . . . . . . . . . . . .

5-22

5-13

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

CHAPTER 6.

General

Section I.

6-1

Introduction . . . . . . . . . . . . . . . . . . . . . . .

Tools and test equipment . . . . . . . . . . . . . . .

6-2

6-1

Schematic diagrams . . . . . . . . . . . . . . . . . .

6-3

6-1

Section II.

Tools and test equipment

Tools and test equipment required . . . . . . . .

6-4

Troubleshooting

Section III.

General . . . . . . . . . . . . . . . . . . . . . . . . . .

6-5

6-4

Fault isolation . . . . . . . . . . . . . . . . . . . . . .

6-6

Power supply checks . . . . . . . . . . . . . . . . .

6-5

6-7

Maintenance of the voltmeter

Section V.

6-21

6-8

General . . . . . . . . . . . . . . . . . . . . . .

6-21

Disassembly . . . . . . . . . . . . . . . . . . . .

6-9

6-24

6-10

Cleaning instructions . . . . . . . . . . . . . .

Repair and replacement . . . . . . . . . . . .

6-24

6-11

Assembly . . . . . . . . . . . . . . . . . . . . .

6-26

6-12

Section V.

Performance assurance tests

General . . . . . . . . . . . . . . . . . . . . . . . . . .

6-29

6-13

6-29

Performance testing . . . . . . . . . . . . . . . . . .

6-14