Chapter 3
139
Troubleshooting
Power Supply Troubleshooting
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Power Supply Troubleshooting
Check the Line Voltage and Fuse
Check the main power line cord, line fuse, actual line voltage to see that they are all
correct. For more information about the line cord and Line fuse, see the Power
Requirements in Appendix B.
Check the Power Supply Unit Output
Step 1.
Remove the E5092A’s outer cover.
Step 2.
Turn the E5092A power on.
Step 3.
Measure the output voltage (+5, +15, -15 V) of the power supply unit using a voltmeter
with a small probe. The voltages locations on the A1 Switch control board are shown in
Figure 3-3.
Figure 3-3
Output Voltage Location
•
If the voltmeter reading is not within the following limits, replace the power supply
Summary of Contents for E5092A
Page 10: ...4 ...
Page 140: ...134 Chapter2 Performance Tests E5092A Performance Test Record ...
Page 152: ...146 Chapter3 Troubleshooting Performance Test Failure Troubleshooting ...
Page 180: ...174 Chapter4 Replaceable Parts Replaceable Parts List for E5092A 020 ...
Page 205: ...199 B Power Requirement A Power Requirement ...