LIST OF ILLUSTRATIONS

TM 11-6625-444-14-1

LIST OF ILLUSTRATIONS

Figure

Page

number

Title

1-0

1-1

Digital voltmeter AN/GSM-64B...............................................................................................................................

1-3

1-2

Front panel................................................................................................................................................................

1-3

Rear panel.................................................................................................................................................................

1-3

1-4

Outline drawing........................................................................................................................................................

2-2

2-1

Packaging diagram....................................................................................................................................................

2-3

2-2

Rack installation........................................................................................................................................................

2-3

Equipment connections ............................................................................................................................................

3-2

3-1

Guard connections ...................................................................................................................................................

3-4

Controls, connectors, and indicators (front panel)....................................................................................................

3-2 (1)

3-4

Controls, connectors, and indicators (rear panel).....................................................................................................

3-2 (2)

3-5

Operational check equipment connections ..............................................................................................................

3-3

3-7

Ratio overrange limits...............................................................................................................................................

3-4

5-3

Voltmeter block diagram .........................................................................................................................................

5-1

Buffer block diagram ...............................................................................................................................................

5-2

5-4

Active filter block diagram.......................................................................................................................................

5-3

5-5

A/D converter block diagram ..................................................................................................................................

5-4

5-7

Timing and synchrony diagram (sheet 1 of 3)..........................................................................................................

5-5 (1)

5-10

Timing and synchrony diagram (sheet 2 of 3)..........................................................................................................

5-5 (2)

5-11

Timing and synchrony diagram (sheet 3 of 3)..........................................................................................................

5-5 (3)

5-12

Basic sample command oscillator.............................................................................................................................

5-6

5-13

Decimal logic truth tables.........................................................................................................................................

5-7

5-17

Decimal logic (A18), schematic diagram.................................................................................................................

5-8

5-18

Assembly and troubleshooting test point location....................................................................................................

6-1

6-4

Alignment adjustment and test point location...........................................................................................................

6-2

6-5

Buffer (A11) component parts ................................................................................................................................

6-3

6-6

6-4

Active filter (A10) component parts ........................................................................................................................

6-7

6-5

A-to-D converter (A9) component parts ..................................................................................................................

6-8

6-6

Logic (A8) component parts ....................................................................................................................................

6-9

6-10

6-7

Display (A14) component parts ...............................................................................................................................

6-8

Range delay (A2) component parts...........................................................................................................................

6-11

6-9

Power supply (A1) component parts.........................................................................................................................

6-12

6-10

Ratio input (A3) component parts ............................................................................................................................

6-13

6-11

Decimal logic (A18) component parts .....................................................................................................................

6-14

6-12

Front panel (A16) component parts .........................................................................................................................

6-14

6-13

Rear panel (A17) component parts ..........................................................................................................................

6-15

6-14

A-to-D converter and logic, troubleshooting ...........................................................................................................

6-17

6-15

Display troubleshooting ...........................................................................................................................................

6-18

6-16

A-to-D converter waveforms....................................................................................................................................

6-19

6-17

Analog storage waveforms ......................................................................................................................................

6-19

6-18

16-State binary counter waveforms .........................................................................................................................

6-19

6-State shift register waveforms ..............................................................................................................................

6-20

A9TP2 zero input .....................................................................................................................................................

6.20

6-21

A9TP2 6.3524V input...............................................................................................................................................

6-21

6-22

A9TP2 0.99999V input ............................................................................................................................................

6-21

6-23

Disassembly sequence (a through m)........................................................................................................................

6-24

Disassembly sequence (n through u)........................................................................................................................

6-25

Ratio check equipment connections ........................................................................................................................

6-28

6-26

Alignment equipment connections ..........................................................................................................................

6-29

7-1

Ac converter, location diagram ...............................................................................................................................

7-2

Ac converter, block diagram ...................................................................................................................................

7-4

Plug-in, Electronic Test Equipment PL- 1370 /GSM-64B .....................................................................................

7-3

7-7

6-26

Alignment equipment connections ..........................................................................................................................

6-29

Extender card ...........................................................................................................................................................

B-27

Digital voltmeter AN/GSM-64B .............................................................................................................................

B-28

B-29

Power assembly .......................................................................................................................................................

B-30

Range delay assembly .............................................................................................................................................

B-31

Ratio input assembly ...............................................................................................................................................

Logic assembly y......................................................................................................................................................

B-32

A-to-D converter assembly ......................................................................................................................................

B-33

B-34

Active filter assembly ..............................................................................................................................................

B-35

Buffer amplifier assembly .......................................................................................................................................

B-36

Chassis assembly......................................................................................................................................................

B-37

Front panel assembly ...............................................................................................................................................

B-38

Rear panel assembly.................................................................................................................................................

Change 2

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