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TM-11-6130-385-34 Inverter Static Power PP-7274/A (NSN 6125-00-148-8342) and PP-727 4A/A (NSN 6130-01-093-3077) Manual
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Figure 1-1. Static  Power  Inverter PP-7274/A and  PP-7274A/A.

TM 11-6130-385-34
LIST
OF
ILLUSTRATIONS
Title
Page
Figure
Static Power Inverter PP-7274/A and PP-7274A/A . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Simplified block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .. . . .
General assembly of static inverter (sheet 1 of 2) . . . . . . . . . . . ... . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General assembly of static inverter (sheet 2 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscillator printed circuit board assembly (A1) (sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscillator printed circuit board assembly (A1) (sheet 2 of 2) . . . . . . . . . .. ... . . . . . . . . . . . ... .
modulator and current sense printed circuit board assembly (A2) (sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
modulator and current sense printed circuit board assembly (A2) (sheet 2 of 2). . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BØ,modulator printed circuit board assembly (A3) (sheet 1 of 2).. . .. .. . . .. . . . . . . . .. .. . . . . . . . .. . . . . . . . . . . .
BØ,modulator printed circuit board assembly (A3) (sheet 2 of 2). . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .. . .
D C voltage regulator and data drive printed circuit board assembly (A4) (sheet 1 of 2).. . . . . . . .. . . .. .. . ..
. . .. .. .. . .
D C voltage regulator and data drive printed circuit board assembly (A4) (sheet 2 of 2).
.. . . .. .
.. . .. . . . . . . .. .
.. . . .
Capacitor assembly (A6).. .. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . .. . . . . . . . . .. . ..
Power switch module (A7)(sheet 1 of 2) . . . . . . . . . . . . . . . . . . . .. . . . .. . . . . . . .. . . . . . . . . .. . . .. . . .. .. . . . . . . . . . . . . . . . . .. . . . . . . . .. . . . . .. . . . .
Power switch module (A7)(sheet 2 of 2).. . . . . . . . . .. . . . .. .. .. .. . . .. . . . . . . . . . . . . .. .. .. . . . . .. . . .. . . . ..
Power switch printed circuit board assembly . .. . . .. . . . . . .. .. .. .. . . .. . . . .. .. .. .. . . .. . . . . . . . . . . . .. . . .. . . . . . .. .
Fan bulkhead (A9). . .. . . .. ..
. . .. .. . . . . . . .. . . . . . .. . . . . . . . . .. .. . .. . .. . . .. .. . .. ..
. . . ..
Input filter and capacitor bank. . . . . . . . . . . . . .. .. . . . . .. . . . . .. .. .. . . .. .. . . . . .. . . .. .. . . . . . . .. .. . . .. .. .. .. . . . .. .. . .. . . ..
Crystal oscillator . . . . . . . . . . . . . . . ..
. . . . . .. . . . . . . . . . .. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . ..
Divide-by-6 counter Q101. . .. . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . .. . . ....
Divide-by-6 counter Q102. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .. . . . .. . . . . .. . . . . . . . . .
Three-phase tuned transformer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .
Recovery drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .
Ramp
generator­
B
phase.
.
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..
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..
.
Output
voltage
control--B
phase
and
C
phase
.
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..
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Square
wave
generator
and
modulator--
B
phase.
.
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.
..
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.
Data
generator-
B
phase
and
C
phase
.
.
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.
...
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.
Overcurrent
sense
and
foldback.
.
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.
8- and 12-volt booster circuit regulator . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . ..
2.5-
and
5.0-voltage
regulators
.
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High
and
low
voltage
detector.
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..
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--3.4-voltage
regulator.
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..
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Data
output
drive­
C
phase.
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Base and current sens. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . . . . . . .
Power
switch.
.
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..
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.
Recovery drive transformers .. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. . . . . .
Power transformer and capacitors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
Output
filter.
.
.
.
.
.
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..
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Trimmer
fixtur.
.
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.
Functional
flow
block
diagram.
.
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.
.
.
Fold-in
Fold-in
Oscillator
printed
circuit
board
schematic
diagram
(A1)
...............
.
.
.
.
.
.
.
.
..
Fold-in
A 0 modulator and current sense printed Circuit board schematic diagram (A2). . . . . . . . . . . . .
Fold-in
FO-4,
C0
modulator
printed
circuit
board
schematic
diagram
(A3).
..
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Fold - in
Dc voltage regulator and data drive printed circuit board schematic diagram (A4) . . . . . . . . . . . . . . . .
Fold-in
Power switch module and printed circuit board schematic diagrma (A7). . . . . . . . . . . . . . . . . . .
Fold-in
Interconnection
diagram.
.
.
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.
.
Fold-in
Test
connection
block
diagram
.
..
.
.
.
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.
Fold-in
Base
drive
circuit.
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..
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.
LIST
OF
TABLES
Title
Page
Number
Electrical characteristics. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . .. . . ..
Main harness wiring data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . ..
Power
switch
wiring
data
.
..
.
.
.
.
.
.
.
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.
.
.
.
.
.
.
.
Power
transformer
to
filter
wiring
data.
.
.
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.
.
.
..
Power
harness
wiring
data..
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.
Test
equipment.
.
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..
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.
.
Sequence
of
primary
steps
in
troubleshooting,
using
table
3-7.
.
.
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.
Troubleshooting.
.
.
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.
Parameter
limits.
.
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..
..
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Data record sheet . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii C h a n g e
l

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