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Page Title:
CHAPTER 7. GENERAL SUPPORT MAINTENANCE |
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  TM 11-6625-2629-14&P
CHAPTER 7
G E N E R A L SUPPORT MAINTENANCE
Section l. GENERAL
formation appears on figures 7-4 , 7-4
, and
7-1. Introduction
7-5. The specific conditions under which this
This chapter contains voltage and resistance
information was gathered are listed on the
measurement diagrams, parts location diagrams
diagrams.
and troubleshooting information. In addition, it
also contains repair and replacement information,
7-3. Parts Location and Schematic Diagrams
alignment a n d g e n e r a l s u p p o r t t e s t i n g
Parts locations are shown on figures 7-1, 7-2, and
procedures.
7 - 3 . A schematic diagram for the overall
modulation meter is contained on figure FO-2.
7-2. Voltage and Resistance Diagrams
The overall wiring diagram is figure FO-3.
The voltage and resistance measurement in-
Section II. TOOLS, TEST EQUIPMENT AND TROUBLESHOOTING
equipment required for maintenance of the
7-4. Tools and Test Equipment Required
modulation meter. No special tools are required.
This section contains a listing (table 7-1) of test
Table 7-1. Required Test Equipment
Test equipment
Common name
Technical manual
Analyzer ZM-3/U
11-5043-12
Capacitor tester
TM
Analyzer, Spectrum TS723(*)/U
Spectrum analyzer
TM
11-5097
Audio Oscillator TS-382
Audio oscillator
TM
11-6625-261-12
C r y s t a l Rectifier Teat Set TS.
Crystal test set
TM
11-1242
268/U
Counter,
Electronic
TM 11-6625-700.10
Digital
Counter
Readout AN/USM-207
Electronic Multimeter ME-26(*)/U
Vtvm
TM
11-6625-200-15
Generator, Signal SG.92/U
Sweep generator
TM
11-319
Indicator, Panoramic ID-173/U
Panoramic indicator
TM
11.5086
Meter Test Set, TS-662/GSM-1
Calibration test set
TM
11-2535B
Oscilloscope AN/USM.281A
Oscilloscope
TM
11-6625-1703-15
R f Signal Generator AN/URM-
Low frequency generator
TM
11-5551B
25(*)
Signal Generator, AN/USM-44
Am generator
TM 1143625-508-10
Teat Set, Oscillator Set AN/PRM.
Oscillator test set
TM 11-6625-276-10
10
T e s t Set, Electrical Meter TS-
Meter tester
TM 11-6625-226.12
656/U
Teat Set, Electron Tube TV-2/U
GS tube teeter
TM 11-6625.316-12
Voltmeter, Electronic ME-30B/U
Electronic voltmeter
TM 11-6625-320-12
WARNING
level includes all the techniques outlined for all
lower maintenance levels and any special o r
When servicing the modulation meter, be
careful when working on the ac line or dc
additional techniques r e q u i r e d to isolate a
voltages. Always disconnect the power
defective part. The systematic troubleshooting
cord from the source before changing any
procedure includes sectionalizing and localizing
component.
techniques.
7-5. General Instructions
7-6. Organization of Troubleshooting Procedures
Troubleshooting at general support maintenance
a. General. The first step in servicing a
.
7-1
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