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Home > Radar Maintenance and Parts Manuals > > WAVE GUIDE SWITCH SA-2140 (V2)
Figure 5-12 Interface Unit J-3463 and Wave Guide Switch SA-2140 Troubleshooting Chart (V2) (Sheet 2 of 2)
Figure 5-13 Wave Guide Switch SA-2140 Parts Location (V2)

TM-11-5840-360-14-1-1 Radar Set AN/SPS-64(V)5 (NSN 5840-01-034-3946) Manual
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TM 11-5840-360-14-1-1
the above, using caution to install the O-ring between
5.15 WAVE GUIDE SWITCH SA-2140 (V2)
the dummy load and the switch assembly.
Paragraphs 5.15.1 and 5.15.2 and their related
subparagraphs
provide
corrective
maintenance
5.16 VIDEO AMPLIFIER AM-6932 (V2, V3, V4)
information for the Wave Guide Switch SA-2140. The
information
includes
troubleshooting
instructions
Paragraphs 5.16.1 through 5.16.3 and their
(5.15.1) and removal and replacement procedures
related subparagraphs provide corrective maintenance
(5.15.2). No alignment procedures are required. The
information for the Video Amplifier AM-6932.  The
locations of major components comprising the Wave
information
includes
troubleshooting
instructions
Guide Switch are shown in Figure 5-13. The schematic
(5.16.1), removal and replacement procedures (5.16.2)
diagram, parts list table and assembly drawings
and alignment procedures (5.16.3).  The locations of
applicable  to  Wave  Guide  Switch  SA-2140  are
assemblies  and  major  components  within  Video
contained in Section 6.7 of Chapter 6.
Amplifier  AM-6932  are  shown  in  Figure  5-14.
Schematic diagrams, parts list tables and assembly
5.15.1 Troubleshooting Procedure (V2)
drawings applicable to Video Amplifier AM-6932 are
contained in Section 6.8 of Chapter 6. Access to the
Fault isolation for the Wave Guide Switch SA-
assemblies and components within the Video Amplifier
2140 is facilitated by use of Troubleshooting Chart,
AM-6932 is provided by loosening the six captive
Figure  5-12,  which  also  contains  troubleshooting
screws in the front cover and removing the cover.
information for Interface Unit J-3463.  Instructions for
use of the troubleshooting chart are given in paragraph
5.16.1 Troubleshooting Procedure (V2, V3, V4)
5.9.1.
Fault isolation within the Video Amplifier AM-
5.15.2 Removal/Replacement Procedures (V2)
6932 is facilitated by use of Troubleshooting Chart,
Figure 5-15. Instructions for use of the troubleshooting
Before initiating any removal or replacement
chart are given in paragraph 5.9.1.
activity at Wave Guide Switch SA-2140, insure that all
power is removed from the equipment by performing the
5.16.2 Removal/Replacement Procedures
following steps:
(V2, V3, V4)
1. Set ON/OFF Safety switch at front of pedestal
Before initiating any removal or replacement
to OFF.
activity at Video Amplifier AM-6932, insure that all
power is removed from the equipment by performing the
2. Set POWER switch to OFF at (master)
following steps:
Indicator.
3. Turn off and tag ship's circuit breakers which
1. Set ON/OFF Safety switch at front of pedestal
supply power to the equipment.
to OFF.
5.15.2.1 Wave Guide Switch Assembly. -
2. Set POWER switch to OFF at (master)
Indicator.
1. Remove power per paragraph 5.15.2.
3. Turn off and tag ship's circuit breakers which
supply power to the equipment.
2. Remove power plug from wave guide switch.
3. Remove the attaching hardware which secures
5.16.2.1 Resolver Drive PCB Assembly A1. -
the waveguide switch assembly to the waveguide
mounting.
1. Remove power per paragraph 5.16.2.
4. Reinstall using the reverse of above.
2. Remove cover by loosening 6 captive screws.
5.15.2.2 Dummy Load. -
3. Disconnect harness at connectors.
4. Remove 4 screws, washers and lockwashers to
release the PCB assembly.
1. Remove power per paragraph 5.15.2.
5. Reinstall using the reverse of above.
2. Perform paragraph 5.15.2.1.
3. Remove the 4 cap screws which secure the
5.16.2.2 Video Amplifier PCB Assemblies A2A1,
dummy load to the switch assembly. Retain the O-ring
A2A2 and A2A3. -
for reassembly.
4. Reinstall the dummy load using the reverse of
1. Remove power per paragraph 5.16.2.
5-70






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