W A R N I N G

Troubleshooting

To check the power supply LEDs

To check the power supply LEDs

Refer to chapter 6, "Replacing Assemblies," for instructions to remove or replace covers and assemblies.

Hazard voltages exist on the power supply, the CRT, and the CRT driver board. This procedure is to be performed by service-trained personnel aware of the hazards involved, such as fire and electrical shock.

1Turn off the instrument, then remove the top cover.

2Apply power to the instrument.

3Check the power supply LEDs.

4Note problems with the power supply, then return to the power supply flowchart.

5–23

Page 66
Image 66
HP 16500B manual To check the power supply LEDs