Getting Started With Troubleshooting; To Run Self-Test - Agilent Technologies PSG Series Service Manual

Getting Started with Troubleshooting

Determine the starting point in
• Problems should be worked on in the order they are presented in this table.
• Overviews of Self-Test, Synthesis Loop, RF Path and Instrument are found in this chapter. The
information in these overviews may help the reader better understand how the signal generator operates
and the function of each assembly. Each overview is also intended to be used to troubleshoot the signal
generator.
Table 1-1
If able to run self-test...
Run Self-Test
If unable to run self-test, check...
Power supply failures
Temperature-related power supply failures
A18 CPU turn-on failures
Front panel display or keyboard operations
If other conditions occur...
Unlocked Conditions
Unleveled Conditions
Adjustment Problems
Performance Test Problems

To Run Self-Test

1. Press the Utility key.
2. Press the Instrument Info/Help Mode softkey.
3. Press the Self Test softkey.
4. Press the Run Complete Self Test softkey.
Table1-1 to begin troubleshooting.
Go to this section...
"To Run Self-Test" on page 1-3
"Self-Test Failures and Related Troubleshooting" on page 1-15
Go to this section...
"ILT-1 Power Supply Failure and Self-Test" on page 1-4
"ILT-2 Temperature Related Power Supply Failure" on page 1-5
"ILT-3 A18 CPU Turn-On Test" on page 1-6
"ILT4 Front Panel Display Troubleshooting" on page 1-9
Go to this section...
"Troubleshooting Unlocks" on page 1-46
"Troubleshooting Unlevels" on page 1-49
"Troubleshooting Adjustment Problems" on page 1-53
"Troubleshooting Performance Test Problems" on page 1-56
Troubleshooting
Getting Started with Troubleshooting
and refer to
.
1-3