Quantcast Section III. TROUBLESHOOTlNG

 

Click here to make tpub.com your Home Page

Page Title: Section III. TROUBLESHOOTlNG
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
CHAPTER 7 DIRECT SUPPORT (INTERMEDIATE) MAINTENANCE INSTRUCTIONS - TM-5-6350-262-14-20031
Up
TM-5-6350-262-14-2 Processor Passive Signal Ultrasonic MX-9443( )/FSS-9(V) FSN 6350-228-2548 Receiver Passive Signal Ultrasonic Manual
Next
Figure 7-1. Receiver Schematic Diagram
Table 7-1. Direct Support (Intermediate) Test Equipment
Common Name
Designation
F
S
N
Name
VOM
AN/USM-210
6625-019-0815
AN/USM-281
6625-053-3112
Power Supply
PP-2309B/U
6130-752-2215
Power Supply
DC
Tool Kit
TK-105/G
5180-610-8177
Tool Kit
Audio Generator
AN/URM-127
6625-783-5965
Signal Generator
WUSG-100
Wideband Ultra-
sonic Signal
Generatot
Model WUSG-100
(code ident 24432)
Section III. TROUBLESHOOTlNG
7-5. Troubleshooting Data.
either the first step in troubleshooting, or use after
a. General. In addition to the troubleshooting
repairs are completed and before the equipment is
chart, other troubleshooting data is supplied as
returned to the using organizations.
described in the following paragraphs.
b. Procedure.
b. Parts Location Diagrams. Appendix C con-
(1) Inspect enclosure for evidence of physical
damage.
tains the parts location information for the processor
and receiver.
(2)  Inspect terminal strips for cleanliness and
c.  Schematic Diagrams. Figures FO-3 (located at
evidence of physical damage.
rear of manual) and 7-1 comprise the schematic
(3)  Check all resistors for evidence of discolora-
diagrams for the processor and the receiver respec-
tion due to overheating.
tively.
(4)  Inspect all wiring and cabling for worn or
frayed insulation, and broken, loose, or disconnected
wires or cables.
7-6. Cable Checks.
(5) Inspect all metal surfaces, intended to be
The procedure outlined in a through d below is
painted, for condition of finish and legibility of panel
given as a convenient method of checking for
continuity or a short in single conductor and
NOTE
multiconductor cables.
Touchup paint is recommended instead of refinishing
a.  Disconnect both ends of the cable to be tested.
whenever practical.
b.  Check for grounds using a multimeter between
(6) Check the equipment for applicable modifica-
each lead and the conduit or each lead and its
tion work orders (MWO).
respective shield. Continuity should indicate infinity
(7) Inspect overall unit for presence of dirt,
(both ends unterminated).
corrosion, moisture, and bits of wire and solder inside
c.  Check for opens by selecting one conductor in
the enclosure.
the cable and grounding it at one end to the conduit.
At the other end of the cable check continuity
7-8. Symptom Analysis
between lead and conduit. Infinite indication is an
Chart 7-1 lists the following identifiable symptoms to
open circuit.
assist the repairman in localizing potential faults.
d.  Follow the procedure in step c above for the
NOTE
remaining conductors in the cable.
During performance of the symptom analysis when a pc
board is replaced in either the processor or the receiver,
the SENSITIVITY and GAIN controls must be reset
7-7. Physical Test and Inspection
and the tamper circuit checked according to procedures
a.
General. This procedure is provided for use as
7-2

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.