DEPARTMENT
OF
THE
ARMY
TECHNICAL
MANUAL
DEPOT MAINTENANCE MANUAL MICROPHONES
T - 3 0 , T-46, T-50, M-29/U, AND M-80(*)/GR
Headquarters, Department of the Army, Washington, D.C.
29 January 1971
Scope-------------------------------------------------------------------------------------1
Indexes of equipment publications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ . . 2
Applicability of depot overhaul standards. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applicable references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test facilities required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Tests . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
APPRENDIX A REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. Scope
3. Applicability of Depot Overhaul
Standards
a. This manual covers the inspection requirements
The tests outlined in this manual are designed to
to be used in determining the quality and acceptability
measure the performance capability of a required
o f repaired Microphones T-30, T-45, T-50 and
equipment. Equipment that is to be returned to stock
M-29/U and Microphone, Dynamic M-80/GR or
should meet the standards given in these tests.
M-80A/GR.
b. The reporting of errors, omissions, and recom-
Applicable
References
mendations for improving this publication by the
a. Technical Publications. The following technical
individual user is encouraged. Reports should be sub-
publications are applicable to this equipment:
mitted on DA Form 2028 (Recommended Changes to
Publications) and forwarded direct to Commanding
Number
Title
General, U.S. Army Electronics Command, ATTN:
TB SIG 355-1
Depot Inspection Standard for Repaired
AMSEL-ME-NMP-EM, Fort Monmouth, N.J. 07703.
Signal Equipment
Test Seta I-142, I-142B and Telephone Test
Net AN/PTM-6
2. Indexes of Publications
b. Modification Work Orders. Perform all applicable
a. DA Pam 310-4. Refer to the latest issue of DA
MWO's pertaining to the equipment before making
Pam 310-4 to determine whether there are new
the specified data. DA Pam 310-7 lists all available
editions, changes, or additional publications pertaining
MWO's.
to the equipment.
b. DA Pam 310-7. Refer to the latest issue of DA
5 . Test FaciIities Required
Pam 310-7 to determine whether there are modifica-
The following equipment, or suitable equipments will
tion work orders ( MWO'S) pertaining to the equipment.
be used in determining compliance with the require-
ments of this specific standard. Connector-Receptacle
U-79/U is required for testing Microphone M-29/U.
This
manual
supersedes
TM
5965-268-50,
4
November
1964.
THIS PUBLICATION IS A COURTESY QUICK COPY
FROM THE UNITED STATES ARMY PUBLICATIONS
1
DISTRIBUTION CENTER, ST. LOUIS , MISSOURI,
TO MEET YOUR NEEDS WHILE WE REPLENISH OUR
REGULAR STOCK.
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