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![]() ![]() TM 11-6130-385-34
T ECHNICAL M A N U A L
HEADQUARTERS
DEPARTMENT OF THE ARMY
W A S H I N G T O N , DC, 19 March 1976
No. 11-6130-385-34
Direct
Support
and
General
Support
Maintenance
Manual
INVERTER,
STATIC
POWER
PP-7274/A
(NSN
6125-00-148-8342)
AND
PP-7274A/A
(NSN
6130-01-093-2077)
REPORTING OF ERRORS
You can help improve this manual by calling attention to errors and by
r e c o m m e n d i n g improvements and stating your reasons for the
r e c o m m e n d a t i o n s . Your letter or DA Form 2028 (Recommended
Changes to Publications and Blank Forms) should be mailed direct to
t h e Commander, US Army Electronics Command, ATTN: DRSEL-
ME-MQ, Fort Monmouth NJ 07703. A reply will be furnished direct to
you.
Paragraph
1. INTRODUCTION
CHAPTER
I. General
Section
II. Description and data. . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUNCTIONING
OF
EQUIPMENT........................................................
CHAPTER
Section
I. General
II.Troubleshooting. . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6--3-19
III. Disassembly and reassembly. . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-20,3-21
IV. Maintenance of detail networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . .. ....... . . .
V. Input filter and capacitor bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24,3-25
VI. Oscillator and modulator printed circuit boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26--3-28
VII. Dc voltage regulator and data output printed circuit board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29--3-35
VIII. Power switch printed circuit board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36,3-37
IX. Recovery drive and power transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38--3-40
X. Unit testing procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..3-41--3-51
A. REFERENCES
A PPENDIX
INDEX . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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