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
4. (Cont)
d. (Cont)
for system to stabilize. Turn mode
switch to TEST/RESET and then
to SECURE.
y.
Connect positive meter lead to J8-11 and
negative meter lead to chassis. If meter
indicates more than 10 vdc, reinstall PC
board A8 and remove 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 reinstall PC board A8, turn board
so plastic ejector is toward top.
Align board with guides at top and
bottom of status processor. Slide
board straight in until it contacts
receptacle at back of processor.
Then press firmly on board 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 supply.
Depress TRANSMITTER RESYNC
switch S2. Wait about 5 minutes
for system to stabilize. Turn mode
switch to TEST/RESET and then
to SECURE’
z.
Connect positive meter lead to J10-7 and
negative meter lead to chassis. Meter
should indicate 5 ± 2 vdc.
aa. If meter indicates less than 1 or more than
10 vdc, replace PC board A8.
(1) To remove PC board A8, turn off
switch S1 on top of power supply.
Place thumb or finger under board
ejector and lift up until board pops
5-65
