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)
until PC board pops out of receptacle,
then grasp board and pull straight out.
g.
Turn on switch S1 on power supply. De-
press TRANSMITTER RESYNC switch
S2. Wait about 5 minutes for system to
TEST/RESET and then to SECURE.
h.
Set multimeter to dc volts and connect posi-
tive meter lead to J8-11, and negative
lead to chassis (ground). Ensure that
no alarms are activated.
i.
If meter indicates more than 10 vdc, replace
PC board A7.
(1) To remove PC board A7, 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 A7, 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 supply.
Depress TRANSMITTER RESYNC
switch S2. Wait about 5 minutes
for system to stabilize. Turn mode
switch to TEST/RESET and then
to SECURE.
j.
If meter indicates less than 1 vdc at J8-11,
remove PC board A10 and install 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
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