 |
|||
|
|
|||
|
Page Title:
Table 5-1. Troubleshooting Procedures - Continued |
|
||
| ||||||||||
|
|
 TM 5-6350-264-14&P-11
NAVELEX EE 181-AA-OMI-120/E121 C-7359-40-1
T.O. 31S9-2FSS9-1-11
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective Action
15. (Cont)
c.
Defective
a.
Ensure power supply is off. Set
interconnecting
multimeter to ohms. Remove
wiring.
Status Monitor Module from
one zone Monitor Cabinet for
access to TB3. Connect
meter leads to TB1-4 on Sig-
nal Module and TB3-7 on
power supply, then to TB1-3
on Signal Module and TB3-3
on power supply. Both meter
indications should be 0 ohms.
b.
If meter does not indicate 0 ohms,
repair or replace defective
wire.
16. Signal Module
Defective Signal
a.
Set multimeter to dc volts. Con-
inoperable and
Module.
nect positive meter lead to
20 vdc is present.
emitter of Q7 on logic sub-
assembly PC and negative
meter lead to TB1-4 on Sig-
nal Module. Meter should in-
dicate 6.35 0.25 vdc.
b.
If meter does not indicate 6.35
0.25 vdc, replace Signal
Module.
(1)
To remove Signal Module, tag
and remove wires from ter-
minal board TB1, located
on back of Signal Module.
Remove the mounting
screws and remove Signal
Module.
(2)
To install new Signal Module,
position module in mount-
ing rack and install mount-
ing screws. Connect wires
to terminal board TB1.
Close and latch mounting
rack. Close and lock cab-
inet door.
5-28
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals