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Page Title:
CHAPTER 7.1 D E P O T OVERHAUL STANDARDS USING AN/TPM-25A |
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 TM 11-6625-667-45/NAVAIR 16-30APM123-2/T0 33A1-3-367-22
CHAPTER 7.1
D E P O T OVERHAUL STANDARDS USING AN/TPM-25A
7.1-2. Applicable References
7.1-l. Applicability of Depot Overhaul
Standards
a. Repair Standards. Applicable procedures of
the depot performing these test and the general
The tests outlined in this chapter are designed to
standards for repaired electronic equipment
measure the performance capability of a repaired
given in TB SIG 355-1, TB SIG 355-2, and TB
equipment. Equipment that is to be returned to
SIG 355-3 form a part of the requirements for
stock should meet the standards given in these
tests.
testing this equipment.
b. Technical Publications. The technics
publications applicable to the equipments to be
tested are indicated below:
Publication
Equipment and subject
organizational maintenance Manual: Test Set, Transponder
TM 11-6625-667-12
AN/APM-123V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DS, GS, and Depot Maintenance Manual: Test Set, Transponder
TM 11-6625-667-35
AN/APM-123V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Position
Control
c. Modification Work Orders. Perform all
"A" DEL `D
HORIZONTAL DISPLAY
modification work orders applicable to this
BY "B"
equipment before making the tests specified. DA
TIME BASE B TRIGGER SLOPE
EXT()
Pam 310-4 lists all available MWO's.
TIME DELAY MULTIPLIER
00
TIME BASE B TIME/CM
5S
7.1-3. General Requirements
TIME BASE A STABILITY
Completely
cw
General requirements for depot overhaul tests
TIME BASE A TIME/CM
1 ms
consist of the depot system timing setup shown
TIME BASE A TRIGGERING MODE `
AC
in figure 7.1-1 and the depot overhaul standards
c. Press and lock the test set PRESS-TO-TEST
basic test setup as shown in figure 7.1-2, which
switch, set the MODE switch to 1, CODE
will be used and modified in the test, as required.
switches to 7777, and FUNCTION switch to
7.1-4. Initial Setup Procedures Using
SYSTEM.
AN/TPM-25A
d. Set the AN/TPM-25A controls as indicated
in the chart below.
a. Use the equipment listed below or
authorized substitute for depot overhaul stan-
Control
Position
dards tests. Connect this equipment as shown in
REPLIES panel:
MODULATION SEL
SIF
(1) Oscilloscope AN/USM-182 with
REPLY WIDTH
0.45
preamplifier, Video AM-3174/USM.
7777
SIF REPLY CODE
(2) Radar Test Set AN/TPM-25A.
SUB PULSE SEL
OFF
RANGE DELAY SEL ( SEC)
0100
(3) Generator, Pulse AN/UPM-15A.
GATING PASS
00
GATING INHIBIT
00
the chart below.
Change 5
7.1-1
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