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)
d.
(Cont)
it contacts receptacle at back of
processor. Then press firmly on
board until it seats completely in
receptacle.
(3) Turn on switch S1 on power sup-
ply. Depress TRANSMITTER
RESYNC switch S2. Wait about
5 minutes for system to stabilize.
Turn mode switch to TEST/
RESET and then to SECURE.
m. If meter indicates less than 1 vdc at J10-7,
replace PC board A10.
(1) To remove PC board A10, turn off
switch S1 on top of power supply.
Place thumb or finger under board
ejector and lift up until board pops
out of receptacle at back of status
processor. Then grasp PC board
and pull straight out.
(2) To install new PC board A10, 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.
(3) Turn on switch S1 on power sup-
ply. Depress TRANSMITTER
RESYNC switch S2. Wait about
5 minutes for system to stabilize.
Turn mode switch to TEST/RE-
SET and then to SECURE.
n.
Set mode switch to ACCESS. Set multi-
meter to dc volts and connect positive
lead to PC board A10, TP1 (brown), and
negative lead to chassis (ground).
o.
If meter indicates less than 1 vdc, con-
nect positive meter lead to mode switch
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