4 Installation Note E4406-90278
A22 CPU Retrofit Kit
Before You Start
Before starting to disassemble the instrument:
• Check that you are familiar with the safety symbols marked on the instrument, and read the general
safety considerations and the safety note definitions given in the front of this guide.
• The instrument contains static sensitive components. Read the section entitled “ESD Information”
in the service manual.
WARNING The opening of covers or removal of parts is likely to expose dangerous
voltages. Disconnect the product from all voltage sources while it is being
opened.
WARNING WARNING The instrument contains potentially hazardous voltages. Refer to
the safety symbols on the instrument and the general safety considerations at
the beginning of this service guide before operating the unit with the cover
removed. Failure to heed the safety precautions can result in severe or fatal
injury.
Tools Required
Figure 1 TORX Tool
Description Agilent Part Number
TORX Hand Driver - Size T10 8710-1623
TORX Hand Driver - Size T15 8710-1622
TORX Hand Driver - Size T20 8710-1615
9/16” Deep-Socket Nut Driver 8720-0008
static-free work area N/A
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