To test the flexible disk drive voltages – HP 16500B User Manual

Page 68

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To test the flexible disk drive voltages

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

W A R N I N G

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.

Equipment Required

Equipment

Critical Specification

Recommended
Model/Part

Digitizing Oscilloscope

> 100 MHz Bandwidth

HP 54600A

1

Turn off the instrument, then remove the power cable. Remove the instrument
cover and the flexible disk drive.

2

Reconnect the disk drive cable to the rear of the disk drive. Turn the disk drive over
so that the solder connections of the cable socket are accessible.

3

Connect the power cable, then turn on the instrument.

4

In the Mainframe Test menu, select the Flexible Disk Test. Insert a disk that has
enough available bytes to run the test in the disk drive, then select Run-Repetitive.

Refer to "To run the self-tests" in this chapter if you need help accessing the test menu.

Troubleshooting

To test the flexible disk drive voltages

5–25

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