TM 11-6625-3041-30/TO 33A1-8-908-12
Section III
EQUIPMENT CHECK PROCEDURES
SG-1139 CHECK PROCEDURE
To localize to a major assembly any problem with the operation
Purpose
of the SG-1139.
Major
Assemblies
Procedure
Each step in the procedure serves as a foundation for the next.
Therefore, each step must be performed in the order given. If
they are not, the information given under "This step checks
the following:" and the "possible cause" information is invalid.
Fault Lamps
Trouble analysis is aided by fault lamps on the front panel
(FAULT and POWER SUPPLY) and on each circuit card. If these
are not working, however, this procedure can still be used but
it will take longer to perform.
Indications
Any observed front-panel indications that are not specifically
called out in the procedure can be ignored.
Indicators
Indicators are illustrated as follows:
White (blank) . . Not lit or can be ignored
Half black . . . . . Blinking
Black . . . . . . . . . . Lit
Equipment
a.
TK-101/G Tool Kit, Electronic Equipment, for 1/4-in. socket
Required
wrench or flat-tip screwdriver.
b.
Cables terminated in triaxial connectors.
c.
BNC cables, 2 ea, supplied as accessories.
d.
BNC adapters, 2 ea, supplied as accessories.