148 Keysight E5092A ENA Series Configurable Multiport Test Set
Troubleshooting
Power Supply Troubleshooting
3-
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
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