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Model
11793A
34.
Troubleshooting
Microwave Converter
Primary
AC
power is present within instrument when line voltage
power cord is connected to the instrument.
Maintenance described herein is performed with power supplied to
the instrument and with protective covers removed. Such maintenance
should be performed only by service-trained personnel who are aware
of the hazards involved.
Use the correct torque wrench when installing sub -miniature
connectors.
Do
not
exceed the following torque settings for this instrument:
1.5
N.m for the
3
mm
(TlO) screws
2.0
N.m
for the
4
mm
(T15) screws
0.7
N.m
(6.3
in.lb) for
SMA
connectors
0.7
N’m
(6.3
in.lb) for Type-N connectors
General
Troubleshooting information is broken down into three categories:
0
RF
devices,
control devices, and
0
power supplies.
Either a compatible measuring instrument or a power supply connected to the
FREQ OFFSET
INPUT,
can
be used to control the
RF
switches. If a power supply is used, set it to
0,
+3,
or
+S
Vdc as dictated by Table
9.
2s