TM 11-6625-596-45
CHAPTER 6
DEPOT OVERHAUL STANDARDS
6-1.
Applicability of Depot Overhaul Standards
The tests outlined in this chapter are designed to
Test Set TS-716/U.
measure the performance capability of a repaired
GS and Depot Maintenance
TM 11-6625-596-45
equipment. Equipment that is to be returned to stock
Manual, Telephone Tes
should meet the standards given in these tests.
Set TS-716/U.
Telephone Test Set TS-716/U,
TB 11-6625-596-12/1
6-2.
Applicable References
Norms and Testing Procedures.
a. Repair standards. Applicable procedures
c. Modification Work Orders. Perform all
of the depot performing these tests and the general
modification work orders applicable to this equipment
standards for repaired electronic equipment given in TB
before making the tests specified. DA Pam 310-7 lists
SIG 355-1, TB SIG 355-2, and TB SIG 355-3 form a
all available MWO' .
s
part of the requirements for testing this equipment.
b. Technical Publications.
The following
6-3.
Test Equipment
Facilities
Required
for
technical publications are applicable to this equipment:
Depot Testing
The following items are required for depot testing.
Title
Publication
Operator' and Organizational
s
TM 11-6625-596-12
Test equipment
Technical manual
Common name
General Radio Sound Level Meter Model 1551C or equiva-
------------------------------
Sound level meter.
lent.
Voltmeter ME-30/U---------------------------------------------------
TM 11-6625-320-12-----
Transformer, Variable Power TF-523/U------------------------
TM 11-5950-212-15----- Variac.
Signal Generator TS-382/U----------------------------------------
TM 11-6625-261-12-----
Resistor, Decade ZM-16A/U---------------------------------------
TM 11-5102----------------
Spectrum Analyzer TS-723A/U------------------------------------
TM 11-5097----------------
Distortion analyzer.
Hewlett-Packard Model 400-D or equivalent (two re
--------------------------------
quired).
Microphone reciprocity calibrato ---------------------------------
--------------------------------Calibrator.
General Radio Type 1559-A.
Tool Equipment TE-28.
Tool Kit, Electronic Equipment TK-105/G.
Tool Kit, Electronic Equipment TK-100/G.
Telephone Set TA-236/FT (calibrated).
Western Electric Type 555W or equivalen ---------------------
--------------------------------
Driver.
Microphone.
Western Electric Type 640AA or equivalen --------------------
--------------------------------
6-4.
General Test Requirements
Control
Position
Fully counterclockwise.
Most of the test will be started with the controls positioned as
BRATE control 1A4R12.
listed:
METER SENSITIVITY
Fully counterclockwise.
Control
Position
CALIBRATE control
Power switch 1A4S8-------------------
OFF.
1A4R14.
NOISE GEN ADJ button--------------
Depressed.
INSULATION RESIS-
Fully counterclockwise.
1A4S6A.
TANCE CALIBRATE
control 1A4R13.
6-1