Agilent Technologies 8753ES Option 011 Service Manual page 53

51.Press
AVERAGING FACTOR
Avg
TRIGGER MENU
52.When the analyzer finishes the number of sweeps, write the marker value, which
appears on the analyzer display, on the performance test record.
In Case of Difficulty
1. Check for loose external RF cables. Inspect all cables for signs of damage, wear, or
faulty shielding.
2. Remove the analyzer top cover. Tighten any loose SMA connector nuts on the four
semirigid cables located between the A4/A5/A6 sampler/mixer assemblies.
3. Tighten any loose screws on the A4/A5/A6 sampler/mixer and the A7 pulse generator
assembly covers.
4. Examine the shielding clips on the A5 sampler/mixer and the A7 pulse generator
assemblies. In addition, inspect the shielding posts on the A10 digital IF board
assembly.
5. Verify that the analyzer front panel type-N connectors are tight. Check for connector
damages.
6. Refer to Chapter 8 , "Receiver Troubleshooting,"
Chapter 2
5
NUMBER of GROUPS
AVERAGING ON
x1
.
5 x1
for troubleshooting information.
Performance Tests
9. Receiver Input Crosstalk
Sweep Setup
2-37