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)
e. (Cont)
(2)
Remove PC boards Al through A12
from status processor by placing
thumb or finger under board ejec-
tor and lift up until board pops
out of receptacle.
(3)
Install PC boards Al through A12 in
new status processor interconnect-
ing wiring subassembly. Ensure
that pins on all PC boards are not
bent or otherwise damaged. Turn
PC boards so plastic ejectors are
toward top. Align boards with
guides at top and bottom of status
processor. Slide boards straight in
until they contact receptacles at
back of processor. Then press
firmly on boards until they seat
completely in receptacle.
(4)
To install new status processor, posi-
tion it under standoffs in top of
CU. Insert screws and tighten to
secure status processor. Insert
plug P1 into connector on bottom
of processor, and push up. Tighten
screws to secure plug P1. Position
Data Transmitter over standoffs in
CU and insert screws. Tighten
screws to secure Transmitter. Con-
nect wires to TB6 and TB7 in CU.
i.
Above steps verify time delay circuits. If
time delay period has been properly
adjusted and nuisance alarms still
occur, determine if they are tamper,
duress, or intrusion alarms.
j.
If intrusion alarms occur during entry, re-
place PC board A10. If intrusion
alarms occur during exit, replace PC
board A9.
(1)
To remove PC boards A9 or A10, turn
off switch S1 on top of power sup-
ply. Place thumb or finger under
board ejector and lift up until
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