Esd Precautions; Tools Required - Keysight Infiniium S Series Service Manual

5
Replacing Assemblies

ESD Precautions

When using any of the procedures in this chapter you must use proper ESD
precautions. As a minimum you must place the oscilloscope on a properly
grounded ESD mat and wear a properly grounded ESD wrist strap.
Failure to implement proper antistatic measures may result in damage to the
CAUTION
oscilloscope.

Tools Required

The following tools are required for these procedures.
• Torx drivers: T6, T10, T20
• Power driver vertical with T-20 bit (18 in-lbs)
• Power driver vertical with T-10 bit (5 in-lbs)
• Power driver vertical with T-6 bit (3 in-lbs)
Remove power before removing or replacing assemblies.
CAUTION
Do not remove or replace any circuit board assemblies in this oscilloscope while
power is applied. The assemblies contain components that may be damaged if the
assembly is removed or replaced while power is connected to the oscilloscope.
To avoid electric shock, adhere closely to the following procedures. Also, after
WARNING
disconnecting the power cable, wait at least 3 minutes for the capacitors on the
power supply to discharge before servicing this oscilloscope.
Use caution when the oscilloscope fan blades are exposed as they can cause injury.
WARNING
74 S-Series Oscilloscopes Service Guide