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)
j.
If meter indicates less than 1 vdc at J8-11,
remove PC board A10 and install PC
board A8.
(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 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 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.
k.
Connect positive meter lead to J10-7,
and negative lead to chassis (ground).
l.
If meter indicates more than 10 vdc, re-
place 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 out of receptacle at back of
status processor. Then grasp PC
board and pull straight out.
(2) To install new PC board A8, 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
5-22
