To Remove And Replace The Power Supplies; 16900A And 16902A Power Supplies - Agilent Technologies 16900A Service Manual

To remove and replace the power supplies

WA R N I N G

16900A and 16902A power supplies

16900A, 16902A, and 16903A Service Guide
Hazardous voltages exist on the power supply. To avoid electrical
shock, disconnect the power from the instrument before
performing the following procedures. After disconnecting the
power, wait at least six minutes for the capacitors on the power
supply board to discharge before servicing the instrument.
Perform previous procedures:
1
• "To prepare the instrument for disassembly"
page 48
• "To remove and replace the cover"
• "To remove and replace the front panel assembly"
page 64
Disconnect the following cables on both power supplies:
2
• Power Cable
• Sense Cable
• 12- Position Cable
Replacing Assemblies
on
on page 52
on
77
6