HP 1660 Series User Manual

To test the disk drive voltages
Refer to chapter 6, "Replacing Assemblies," for instructions to remove or replace covers and
assembl ies.
WARNING
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
11 Turn off the instrument, then remove the power cable. Remove the instrument cover
and the disk drive.
22 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.
33 Connect the power cable, then turn on the instrument.
44 Insert the disk that contains the functional performance verification software and
enter the test operating system.
55 In the Sys PV menu select the Disk test. Insert a disk that has enough available bytes
to run the test in the disk drive, then select Run-Repetitive.
Troubleshooting
To test the disk drive voltages
5–26

HP 1660 Series Specifications

General

Category	Logic Analyzer
Glitch Trigger	Yes
Pattern Trigger	Yes
State Analysis	Yes
Transitional Timing	Yes
Trigger Modes	Edge, Pattern, Glitch