TM 11-7440-232-12/NAVELEX 0967-LP-275-5010
TROUBLESHOOTING CHART NO. 5 (cont'd)
STEP
INSTRUCTION
INDICATION
YES
NO
REMARKS
8
Check decoder error
detector lamp
operation.
(1) Set transmitter
TRANS MODE
switch to REV.
(2) Remove transmitter
clock.
ERRORS lamp lights
X
Go to step 10.
ERRORS lamp lights
X
Go to step 9.
Turn POWER switch off.
Remove decoder error
detector lamp and
replace with lamp
known to be good. Turn
POWER switch on.
ERRORS lamp lights
X
Reinstall trans-
mitter clock,
go to step 12.
ERRORS lamp lights
X
Go to step 10.
NOTE
If decoder error detector
lamp remains out check
continuity of lamp with
multimeter. If good,
return to spares.
5-42
