Getting Started With Troubleshooting - Keysight Technologies E8257D Service Manual

Troubleshooting

Getting Started with Troubleshooting

Getting Started with Troubleshooting
Referring to
— determine where to begin troubleshooting
— work on problems in the order they are presented in the table
— use the descriptions provided in this chapter that explain how the signal
Table 1-1
If able to run sel f–test...
Run Self–Test
If unable to run sel f–test, check...
Power supply failures
A18 CPU turn–on failures
Front panel display or keyboard operations
If other cond itions occur...
Unlocked Conditions
Unleveled Conditions
Adjustment Problems
Performance Test Problems
20
Table 1-1:
generator operates, and the function of each assembly: the overall
description (page 1-134), the synthesis loop
(page 1-155), and self–test
Go to this section...
"Running Self–Test" on page 21
"Self–Test Failures and Related Troubleshooting" on page
Go to this section...
"Power Supply Troubleshooting" on page 37
"A18 CPU Turn–On Test" on page 22
"Front–Panel Display Assembly Troubleshooting" on page 30
Go to this section...
"Troubleshooting Unlocks" on page 104
"Troubleshooting Unlevels" on page 108
"Troubleshooting Adjustment Problems" on page 116
"Troubleshooting Performance Test Problems" on page 120
E8257D/67D, E8663D PSG Signal Generators Service Guide
(page
(page 1-181).
and refer to
1-147), the RF path
25.