Test Set Troubleshooting - Agilent Technologies 8753ES Option 011 Service Manual

Accessories Troubleshooting

Test Set Troubleshooting

Test Set Troubleshooting
Test set problems are of three varieties: RF problems, power problems, and control
problems. The HP/Agilent 85044A/B test set can only experience RF problems because it is
not powered by the analyzer.
To troubleshoot:
• The 85044A/B: refer to its manual.
• S-parameter test set problems: refer to the manuals.
• S-parameter power or control problems: continue with
Problems in S-Parameter Test Sets"
Troubleshooting Power Problems in S-Parameter Test Sets
HP/Agilent 85047A or 85047A/B Test Sets
Do not connect the test set to the analyzer to perform these checks.
1. Move the A9 CC Switch to the ALTER position:
a. Remove the power line cord from the analyzer.
b. Set the analyzer on its side.
c. Remove the two corner bumpers from the bottom of the instrument with a T-15
TORX screwdriver.
d. Loosen the captive screw on the bottom cover's back edge.
e. Slide the cover toward the rear of the instrument.
f. Move the switch to the ALT position as shown in
g. Replace the bottom cover, corner bumpers, and power cord.
9-8
"Troubleshooting Power
(power problems can affect control).
Figure 9-3.
Chapter 9