Click here to make tpub.com your Home Page

Page Title: TROUBLESHOOTING CHARTS
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
   
   

 

Back
Section IV. TROUBLESHOOTING
Up
TM-11-7440-232-12 Modem Digital Data Manual
Next
Table 5-2. MODEM COMPONENTS AND TEST EQUIPMENT USED WITH TROUBLESHOOTING CHARTS

TM 11-7440-232-12/ NAVELEX 0967-LP-275-5010
During troubleshooting, you may want to silence any audible alarms. Turn ALARM CUT OFF switch to CUT OFF
position. Be sure to return switch to NORMAL when operation is resumed.
5-17. TROUBLESHOOTING CHARTS
Troubleshooting procedures to quickly isolate the trouble associated with a major malfunction are given below. Refer
to Troubleshooting Charts 1 through 5 to aid you in performing the correct troubleshooting steps in order to locate and
correct the trouble.
Trouble-
shooting
Troubleshooting Symptom or
Chart No.
Malfunction
Page
1
Alarm sounds with POWER switch on and POWER lamp does not light.
2
Alarm sounds with POWER switch on and POWER lamp lights.
3
No Alarm. POWER switch on. POWER lamp lights. No transmission or o
reception, or both.
4
Transmitter inoperative. No data output to distant terminal with TRANS MODE
switch in any position.
5
No transmission in receive branch direction. Transmit branch and power supply
operating correctly.
5-14

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