TM 5-6350-264-14&P-10
NAVELEX EE 181-AA-OMI-110/E121 C-9412
T.O. 31S9-2FSS9-1-10
Table 5-2. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
2.
(Cont)
a.
(Cont)
To install PC board A7, turn
board so plastic ejector is toward
top. Align board with guides at
top and bottom of status proces-
sor. Slide board straight in until
it contacts receptacle at back of
processor. Then press firmly on
board until it seats completely in
receptacle.
i.
If meter indicates over 100, 000 ohms at
J7-1 and J7-14, connect meter leads to
J7-14 and TB4-3 in power supply. Meter
should indicate 0 ohms.
j.
If meter indicates over 100, 000 ohms, in-
spect J12/P1, pin 17, for broken or loose
connections. Resolder any bad connec-
tions on P1.
k.
Connect meter leads to J7-1 and TB4-2
in power supply. Meter should indicate
0 ohms.
l.
If meter indicates over 100, 000 ohms, in-
spect J12/P1, pin 34, for broken or loose
connections. Resolder any bad connec-
tions on P1.
m.
Turn on switch S1 on power supply. De-
press TRANSMITTER RESYNC switch
S2. Wait about 5 minutes for system to
stabilize. Turn mode switch to TEST/
RESET and then to SECURE.
b.
Loose or.
a.
Turn off switch S1 on top of power sup-
broken wire
ply. Inspect all wiring for tight, clean
connections.
connections. Repair any bad connections.
NOTE
If data transmitter is installed, it must be
removed to reach TB8-F through TB13-E.
Remove screws that secure Transmitter
and carefully move it aside.
5-37
