Table of Contents cont'd

TM 11-5805-424-15/NAVELEX 0967-220-9010/TO 31W2-2G-41

Paragraph

Page

Initial adjustments

Test equipment required ....................................................................................................

2-6

2-7

Loop-back adjustments......................................................................................................

2-7

Systems adjustments ........................................................................................................

2-8

2-9

Equipment alteration..........................................................................................................

2-8.1

2-13

CHAPTER 3.

OPERATION AND OPERATOR'S MAINTENANCE

Controls, jacks, and indicators ...........................................................................................

3-1

Starting and stopping procedures ......................................................................................

3-2

3-1

Order-wire operation..........................................................................................................

3-3

3-1

Operation under unusual conditions...................................................................................

3-4

3-2

Preventive maintenance.....................................................................................................

3-5

3-2

Operator's preventive maintenance checks and services chart ...........................................

3-6

3-2

CHAPTER 4.

ORGANIZATIONAL MAINTENANCE

Section I.

Preventive maintenance

Scope of organizational maintenance.................................................................................

4-1

Preventive maintenance checks and services.....................................................................

4-2

4-1

Organizational preventive maintenance checks and services chart .....................................

4-3

4-2

Deleted..............................................................................................................................

4-4

4-3

Section II.

Troubleshooting and repair

Troubleshooting.................................................................................................................

4-5

4-4

Replacement of parts.........................................................................................................

4-6

CHAPTER 5.

FUNCTIONING OF EQUIPMENT

Section I.

Block diagram analysis

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

5-1

Send circuits......................................................................................................................

5-2

5-1

Receive circuits .................................................................................................................

5-3

5-1

Timing circuits ...................................................................................................................

5-4

5-2

Order-wire circuits .............................................................................................................

5-5

5-3

II.

Circuit analysis

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

5-6

5-3

Bistable multivibrator stages ..............................................................................................

5-7

5-3

AND gate stages ...............................................................................................................

5-8

5-7

OR gate stages .................................................................................................................

5-9

5-8

Amplifier stages.................................................................................................................

5-10

5-9

III.

Analog circuit analysis

Oscillator circuits ...............................................................................................................

5-11

5-10

Oven regulator...................................................................................................................

5-12

5-10

Transmit output and carrier alarm circuits ..........................................................................

5-13

5-11

Receive input and carrier alarm circuits .............................................................................

5-14

5-12

Talk-request detector timing circuits...................................................................................

5-15

5-13

Demodulator circuits..........................................................................................................

5-16

5-15

Dual output polar driver circuits .........................................................................................

5-17

5-16

Delay equalization circuits .................................................................................................

5-18

5-17

IV.

Logic analysis

Transmit data ....................................................................................................................

5-19

5-17

Send timing .......................................................................................................................

5-20

5-18

Receive timing...................................................................................................................

5-21

Receive data .....................................................................................................................

5-22

5-23

Order-wire circuit operation................................................................................................

5-23

5-25

Alarm circuits ....................................................................................................................

5-24

5-26

CHAPTER 6.

DIRECT SUPPORT AND GENERAL SUPPORT AND DEPOT MAINTENANCE

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

6-1

Troubleshooting procedures...............................................................................................

6-2

6-1

Operational tests ...............................................................................................................

6-3

Localizing troubles.............................................................................................................

6-4

6-43

Isolating troubles in multivibrator stages ............................................................................

6-5

6-53

Isolating troubles in logic gates ..........................................................................................

6-6

6-54

Isolating troubles in amplifier stages ..................................................................................

6-7

6-56

Repair procedures .............................................................................................................

6-8

6-58

GENERAL SUPPORT TESTING PROCEDURES

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

7-1

Test equipment and material required ................................................................................

7-2

7-1

Test facilities .....................................................................................................................

7-3

7-1

Modification work orders ....................................................................................................

7-4

7-1

Change 6 ii