Test Fixture for Oscillator Control C-4311/PRC-47

TM 11-5820-509-35

Symbol

Description

Mfgr Part No.

Mfgr Code

Test Set for Radio Frequency Oscillator O-1032/PHC-47

DS1

Lamp (FSN 6240-196-4491)

330

08805

Fuse (FSN 5920-043-2641)

F02A250V1 -4AS

Connector (FSN 5935-089-1165)

DBMF13W3S

71468

Connector insert p/o J1 (FSN 5935-080-0268)

DM53742-5000

71468

Connector

MS3102A24-28P

J3 thru J5

Connector (FSN 5935-755-2741)

UG912AU

MillIiammeter, O-50 ma (FSN 6825-643-1527)

M531 -2-214

82386

Resistor fixed, 100 ohms, 10%, 2 W

RC42GFIOlK

Resistor fixed, 12,000 ohms, 10%, 1/2 W (FSN 5905-190

RC20GF123K

8884AHI

Resistor, fixed, 510 ohms, 5%, 1/2 W (FSN 5906-279-3511)

RC20CF511J

Resistor, fixed, 1200 ohms, 10%, 1/2 W (FSN 5905-195-6809)

RC20GP122K

Switch (FSN 5930-855-1514)

ST42A

Switch (FSN 5930417-7120)

MS25089-5C

DS1

Light (FSN 6210-825-20511

101-3830-9

72619

Lens p/o XDSI (FSN 6210-511 -82081

101-972

72819

XF1

Fuseholder (FSN 5920-284-71441

HKPH

71400

Note. All manufacturer 'a codes are 5-digit numbers . The corresponding manufacturer's name and address are listed in SB 708-42 Catalog Handbook

(H4-2).

circuit and the +20V ON-OFF switch is in the ON

6-22. Test Fixture for Oscillator Control C-

position.

4311/PRC-47

(fig. 7-20)

(3) +20V 1/2 AMP fuse. This protective

device is connected to the +20 volts dc primary power

circuit to protect it from overload.

a. The test fissure for Oscillator Control C-

(4) ANTI-LOCX lamp. This lamp is lit when

4311/PRC-47 contains all switches, jacks and lamps

the anti-lock dc output from the module under test is

necessary to electrically test and adjust the module

present.

without providing a complete AN/PRC-47 Radio Set.

Power for the test fissure and the module under test is

(5) Coaxial connectors are provided for the

provided externally and is connected to the test fissure

connection of signal leads and test equipment and these

by a specially fabricated cable attached to power

are self-explanatory.

connector J4 at the rear of the test fixture.

c. The piece parts required for fabrication of the

b. The operating controls on the front panel of the

test fissure are listed in the following chart and

test fixture (fig. 6-10) perform the following functions:

suggested parts placement is shown in figure 6-27.

Schematic diagram (fig. 7-20) illustrates the internal

(1) +20V ON-OFF switch. This toggle switch

circuit of the test fixture.

controls the +20 volts dc primary power circuit to the

module under test.

d. Calibrate the Radio Frequency Oscillator 0

1032/PRC-47 used with this test fixture in accordance

(2) +20V lamp. This indicator is lit when

with the procedures in paragraph 6-14g.

power is connected to the +20 volts dc primary power

6-56