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boards for terminating and providing test points for the test bench harness and a Top Panel
Assembly.
3.4.1.3.2 Top Panel Assembly - The Top Panel Assembly consists of the following
items attached thereto.
QUANTITY
CONTROL
Circuit Breaker
1
To provide 25 to 29 volts DC and to
open circuit if more than 10 amperes
is drawn.
1
Circuit Breaker
To provide 110 to 120 volts, 380 to
420 cps, single phase AC and to open
circuit if more than 10 amps is drawn.
1
Circuit Breaker
To provide 110 to 120 volts, 380 to
1000 cps, single phase AC and to open
circuit if more than 20 amps is drawn.
1
Compass Synchro B-23
To provide the compass excitation
voltage for "Antenna AS-653 /A PN-59,"
1
To provide the pitch excitation
Pitch Synchro B-22
voltage of Antenna AS-653 /A PN-59.
1
Roll Synchro B-21
To provide the roll excitation voltage
for Antenna AS-653 /APN-59.
1
Receptacle
For cable W-8 (MS3106A-20-29SW
Mating)
10
Test Jacks
The jacks arranged in five (5) rows
are labeled as follows: (1) ACIF,
(2) ACCF, (3) +27. 5V, (4) GND,
(5) -255V, (6) -105V, (7) +150V,
(8) +250V, (9) +300V and (10) +300V
.
unreg.
3 . 4 . 1 . 3 . 3 Mounting Bracket - The Mounting Bracket houses the following units of the
AN/A PN-59 under test:
(1) Azimuth and Range Indication IP-239/APN-59
(2) Radar Set Control C-1242/APN-59
(3) Synchronizer Control C-2302/APN-59
3 . 4 . 1 . 3 . 4 Convenience Receptacle Assembly - Consists of two duplex outlets for 115
volt, AC-60 cps power, two fuse holder assemblies (one for spare fuse) to protect the conven-
ience receptacles and one receptacle for 28 volt-DC power to the workbench and one receptacle
for 115 volt, 400 cps single phase power.
3.4.1.3.5 Holding Fixture - The Holding Fixture is for accommodating the
RT-289/APN-59 and Vaneaxial Fan HD-150/APN-50 under test or service on the Test Bench.
3.4.1.3.6 Mounting Bases - The following mounting bases are secured under the work-
bench on the left side shelves as follows:
(1)
Top Shelf - Power Supply Mount for PP-1073/APN-59, Stabilization
Data Generator CN-221/APN- 59, Aux Azimuth & Range Indicator
IP-268/APN-59
4
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