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Replacing Instrument Assemblies
Introduction
Introduction
7Replacing Instrument Assemblies
This chapter provides step-by-step procedures to remove most of the replaceable components of
the 86100A/B/C mainframes. Unless specified, the replacement procedures are the reverse of the
removal procedures. To locate an assembly, refer to the following figures:
• For the 86100A, refer to
• For the 86100B, refer to
• For the 86100C, refer to
N O T E
The photos in these procedures reference the 86100A mainframe; however, the information in this
chapter can be used to help with assembly replacement on the 86100B/C.
ESD Precautions
When using any of the procedures in this chapter you must use proper ESD precautions. As a
minimum you must place the instrument on a properly grounded ESD mat and wear a properly
grounded ESD wrist strap.
C A U T I O N
Failure to implement proper antistatic measures may result in damage to the instrument.
Tools Required
The following tools are required for these procedures.
• T10 and T15 Torx drivers
• Medium size (3/16-in) flat-blade screwdriver
• Open-end wrench: 5/16-in.
C A U T I O N
Do not remove or replace any circuit board assemblies in this instrument while power is applied.
The assemblies contain components which may be damaged if the assembly is removed or
replaced while power is connected to the instrument.
C A U T I O N
SHOCK HAZARD. To avoid electrical shock, adhere closely to the following procedures.
Hazardous voltages exist.
7-2
Figure 8-1 on page 8-5
Figure 9-1 on page 9-5
Figure 10-1 on page 10-6
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