SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment,
and injury or death to personnel.
A
Remove night viewer indicator lamp from socket.
Place red lead of multimeter in socket and black lead
to ground. Turn MASTER switch on and check for
voltage. Turn MASTER switch OFF. If voltage is
present, replace lamp (see paragraph 6-15). If
voltage is not present, go to step B.
B
Disconnect wire 516 from night viewer indicator lamp.
Place red lead of multimeter in wire 516 and check for
voltage. If voltage is present replace lamp socket
(see paragraph 6-29). If voltage is not present,
repair/replace wire 999 of switch panel to age panel
and miscellaneous switches wiring harness (see
paragraph 6-55).
C
Remove switch panel to gage panel and
miscellaneous switches wiring harness from passive
night viewer. Place red lead of multimeter in socket A
of wire 999 and black lead to ground. Turn MASTER
and passive NIGHT VIEWER switches on and check
for voltage. Turn MASTER and passive NIGHT
VIEWER switches OFF. If voltage is present, go to
step D. If voltage is not present, go to step E.
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