Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 67
Figure 3-5 Remove/Install bottom shield screw
17 Refer to Figure 3-6. Turn the instrument over so its bottom sits on your
workbench.
18 Use the #TX10 Torx driver to remove the top shield screw. Then remove the
shield. Pull the shield toward the rear of the instrument until the shield
retainers line up with the slots in the shield. Lift the shield off.
19 Refer to the appropriate procedures in this section to remove the printed
circuit board assembly.