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
1.
(Cont)
a.
(Cont)
in CU. Be careful not to drop Trans-
mitter inside CU. Remove Data
Transmitter. Loosen screws that
secure plug P1 to bottom of status
processor. Pull plug P1 straight
down to disconnect it. Remove
screws that secure status processor
to top of CU enclosure and it will
drop straight down.
(2) Remove PC boards Al through A12
from status processor by placing
thumb or finger under board ejector
and lifting 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 pro-
cessor. Then press firmly on boards
until they seat completely in recep-
tacle.
(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 status proces-
sor and push up. Tighten screws to se-
cure plug P1. Position Data Trans-
mitter over standoffs in CU and insert
screws. Tighten screws to secure
transmitter. Connect wires to TB6
and TB7 in CU.
m. Turn on switch S1 on power supply. De-
press TRANSMITTER RESYNC switch
S2. Wait about 5 minutes for system to
stabilize. During 5-minute stabilization
5-15