INDEX-continued - TM-11-5820-509-350566

TM 11-5820-509-35

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Radio Frequency Oscillator 0-1032/PRC47 (A6)

Dc resistance, coils and transformer windings (chart) ......................................................................................................... 3-7

3-88

Historical revisions ............................................................................................................................................................ 1-4

1-1

Module assembly and disassembly................................................................................................................................... 3-13

3-98

Temperature compensated oscillator, frequency adjustment.............................................................................................. 3-28

3-129

Theory of operation ......................................................................................................................................................... 2-13

2-28

Radio Receiver-Transmitter RT-671/PRC-47

Alignment and adjustments ............................................................................................................................................. 3-20

3-116

Balanced modulator adjustments ................................................................................................................................ 3-2 9

3-130

Microphone amplifier gain adjustment .......................................................................................................................... 3-25

3-127

Mechanical alignment, CV-1377A/PRC-47, slug rack coupler ....................................................................................... 3-21

3-124

Power amplifier grid drive and bias adjustment ............................................................................................................. 3-27

3-128

Receiver agc circuit adjustments ................................................................................................................................... 3-2

3-125

Receiver audio output adjustments ............................................................................................................................... 3-22

3-125

Temperature compensated oscillator, frequency adjustment.......................................................................................... 3-28

3-129

Transmitter vox gain adjustment .................................................................................................................................. 3-26

3-127

Depot maintenance ........................................................................................................................................................... 5-1

5-1

Equipment adjustments ................................................................................................................................................. 5-3

5-1

Transmitter hum balance adjustment ............................................................................................................................. 5-5

5-2

Transmit mixer balance and tgc adjustment ................................................................................................................... 5-4

5-1

Transmitter modulation fidelity test ................................................................................................................................. 5-6

5-3

Transmitter spurious output adjustments........................................................................................................................ 5-7

5-4

General support maintenance............................................................................................................................................. 4-1

4-1

Physical tests and inspection (chart) ................................................................................................................................. 4-5

4-1

Receiver audio output distortion test ................................................................................................................................. 4-12

4-7

Receiver avc characteristic tests ....................................................................................................................................... 4-7

4-4

Receiver if. rejection tests ................................................................................................................................................. 4-9

4-4

Receiver image rejection test ........................................................................................................................................... 4-10

4-6

Receiver power input requirements .................................................................................................................................. 4-13

4-8

Receiver selectivity test ..................................................................................................................................................... 4-8

4-5

Receiver sensitivity tests ................................................................................................................................................... 4-6

4-2

Receiver volume control test............................................................................................................................................. 4-11

4-7

Transmitter cw operation test .......................................................................................................................................... 4-18

4-17

Transmitter frequency stability test .................................................................................................................................. 4-16

4-14

Transmitter output meter sensitivity test ........................................................................................................................... 4-15

4-13

Transmitter power input test ............................................................................................................................................ 4-17

4-15

Transmitter power output test........................................................................................................................................... 4-14

4-9

Transmitter sidetone test ................................................................................................................................................. 4-19

4-18

Module assembly and disassembly ......................................................................................................................................... 3-13

3-98

Removal and replacement, case ............................................................................................................................................. 3-11

3-97

Troubleshooting, direct support.................................................................................................................................................. 3-4

3-3

Localizing trouble ............................................................................................................................................................... 3-5

3-75

Frequency generation circuits test (chart) ..................................................................................................................... 3-5c

3-81

Power distribution circuits (chart, common parts) .....................................................................................................3-5b (3)

3-77

Power distribution circuits (chart, 26.5 vdc) ..............................................................................................................3-5b (2)

3-76

Power distribution circuits (chart, 115 vac) ...............................................................................................................3-5b (1)

3-75

Receiver circuit tests (chart) ........................................................................................................................................ 3-5d

3-82

Relay and mode control tests (chart).............................................................................................................................. 3-5f

3-85

Transmitter circuit test (chart) ...................................................................................................................................... 3-5e

3-83

Receiver test setup and initial settings .........................................................................................................................3-4b (2)

3-73

Sectionalizing trouble (chart) ............................................................................................................................................. 3-4

3-3

Short circuit test (chart) ..................................................................................................................................................... 3-4

3-3

Transmitter test setup and initial settings ............................................................................................................................ 3-4

3-3

Receive signal path, theory ....................................................................................................................................................... 2-5

2-8

General removal and replacement procedures .................................................................................................................... 3-8

3-95

Printed circuit card repair................................................................................................................................................ 3-8

3-96

General replacement techniques......................................................................................................................................... 3-8

3-95

Power amplifier tube removal and replacement............................................................................................................. 3-14

3-103

Subminiature tube replacement...................................................................................................................................... 3-8

3-95

Module assembly and disassembly................................................................................................................................... 3-13

3-98

Amplifier-Modulator AM-350/PRC-47 (A8A2).............................................................................................................. 3-13b

3-99

Audio Frequency Amplifier AM-3506/P C-47 (A8A1).................................................................................................. 3-13a

3-98

Oscillator Control C-4311/PRC-47(A8A7) .................................................................................................................... 3-13f

3-102

Radio Frequency Oscillator 0-1032/PRC-47 (A8A6) .................................................................................................... 3-13d

3-100

Power Supply PP-3518/PRC47 (A8A5) ........................................................................................................................ 3-13

3-101

Signal Data Translator CV-1377A/PRC-47 (A8A3) ........................................................................................................ 3-13

3-99

Index-4