Agilent Technologies 8590L Service Manual page 241

Troubleshooting the Analyzer
Using the Internal Service-Diagnostic Routines
Verify the main coil driver
This service-diagnostic routine verifies that the ramp is driving the
YTO.
1. Select a single band (if more than one band is available on your
2. Return to the diagnostics menu by pressing the following analyzer
3. Verify the main coil driver by pressing MAIN COIL DRIVE.
Figure 4-9 Main Coil Driver Typical Display
242
analyzer).
Note that any band is acceptable unless the problem is isolated to a
specific band. In that case, choose the appropriate band.
uses Band 0 as an example.
keys.
FREQUENCY, BAND LOCK
, ,
CAL More 1 of 4 More 2 of 4
,
SERV DIAG More 1
• If the signal trace is similar to
functioning properly.
• If the signal is not similar, suspect the A7 analog interface
assembly.
,
0-2.9 GHz BAND 0
Figure 4-9, the main coil driver is
Figure 4-9
Chapter 4