HP 54520 Series Service Manual page 8

Contents
5 Troubleshooting
Safety 5-2
Tools Required 5-2
ESD Precautions 5-2
Keystroke Conventions 5-2
Default Setup 5-3
Key-Down Powerup 5-3
To troubleshoot the instrument 5-3
To check power supply voltages 5-10
To check probe power outputs 5-12
To check CRT monitor signals 5-12
To check the keyboard 5-13
Troubleshooting attenuator failures 5-13
Selftest Menu 5-15
Self Cal Menu 5-16
Service Menu 5-17
Software Revisions 5-18
Registration Form 5-18
6 Replacing Assemblies
ESD Precautions 6-2
Tools Required 6-2
To return the instrument to HP for service 6-3
To remove and replace
Cover 6-4
Rear panel 6-4
Disk drive 6-5
Power supply 6-5
Keyboard 6-6
Fan 6-7
Rear panel cables 6-7
Main assembly 6-8
Attenuator 6-9
Acquisition hybrid 6-10
CRT monitor assembly 6-12
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