Quantcast Chapter 3. DIRECT SUPPORT

 

Click here to make tpub.com your Home Page

Page Title: Chapter 3. DIRECT SUPPORT
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
Section IV. NONCONVENTIONAL CIRCUITS
Up
TM-11-5820-873-34 Radio Set AN/URC-92 (NSN
Next
Table 3-2. Checkout/Troubleshoot the Receiver-Transmitter RT-1277/URC- 92


TM 11-5820-873-34
CHAPTER 3
DIRECT SUPPORT
Section I. GENERAL
3-1. Scope
checkout/troubleshoot for the antenna coupler CU-
This chapter contains checkout, troubleshooting, repair,
2229/URC-92.
removal,  replacement  and  other  maintenance
authorized for direct support of Radio Set AN/URC-92.
3-2. Voltage Measurements
The checkout and troubleshooting procedures are
separated into a checkout/troubleshoot for the receiver
Applicable voltages and acceptable tolerances are listed
transmitter
RT-1277/URC-92
and
a
Section II. TOOLS AND EQUIPMENT
3-3. Test Equipment
Table3-1 Voltage Measurements
0VDC 0.2
12 VDC 0.8
Refer to TM 11-5820-873-12, Appendix D, TM
2VDC 0.5
22 VDC 1.5
11-5820-873-20P and TM 11-5820-873-34P Also,
3VDC 025
28 VDC 1.5
a BNC to clip lead cable is required (Fig 3 -1)
5 VDC 0.25
7.7VDC 08
9VDC 0.8
12VAC 0.8
9.56VDC 0.8
20VAC 1.5
10 VDC 0.8
115 VAC 15
Figure 3-1 BNC/Clip Lead Cable.
Section III. CHECKOUT/TROUBLESHOOT
The  procedures  correspond  with  the  authorized
3-4. General
maintenance level at direct support.  Following any
This section contains checkout and troubleshooting for
repair action, the test technician must return to step 1 of
both the receiver-transmitter and the antenna coupler.
the  checkout  unless  directed  differently  by  the
Completion of a checkout signifies a particular unit is
procedure.
The troubleshooting does not consider
operationally ready for use. Troubleshooting procedures
incorrect or missing supply voltages to subassemblies.
are designed to function from incorrect indications in the
Before any replace/repair action is accomplished on a
checkout.
subassembly, the test technician should verify all
3-5. Receiver-Transmitter RT-1277/
necessary supply voltages at the subassembly. Refer to
URC-92 Checkout/Troubleshoot
List of Illustrations for the appropriate schematic.
Incorrect or missing supply voltages are not authorized
The following procedures in Table 3-2 will establish the
for repair at this maintenance level. If supply voltage
operational readiness of RT-1277/URC-92 receiver-
malfunctions are noted, route the Receiver-Transmitter
transmitter.  Successful completion of the checkout
RT-1277/URC-92 to the next higher maintenance level
portion indicates the receiver-transmitter Is operationally
for repair.
ready for use. Troubleshooting procedures are designed
to function from incorrect indications in the checkout.
3-1


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

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business