Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 63
Covers Removal/Installation Procedures
The following procedures show how to remove the top/bottom covers and shields
on the 3458A. Removal of the covers and shields are required to replace the
printed circuit board assemblies.
Tools required
You need:
1 #1 Pozidriv screwdriver
2 #TX15 Torx driver
3 #TX10 Torx driver
Covers removal procedure
Do the following:
1 Remove all connections to the 3458A.
2 Remove ac power from the 3458A.
3 Refer to Figure 3-1. Turn the instrument so its right side (as seen from the
front) faces you.
4 Use the #1 Pozidriv to remove the right side handle strap screws. Then remove
the strap.
5 Refer to Figure 3-2. Turn the instrument so its left side faces you.
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