Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 71
Assemblies Removal/Installation Procedures
Table 3-1 lists all 3458A printed circuit board assemblies and assembly locations
in the instrument. The assembly locations are also shown in installation procedure
Figure 3-7 and Figure 3-8.
Tools required
You need:
1 #1 Pozidriv screwdriver
2 #TX15 Torx driver
3 #TX10 Torx driver
4 7 millimeter nut driver (for Outguard Controller assembly only)
5 Small flat bladed screwdriver (for Display Logic assembly only)
6 Large screwdriver (e.g., #2 Pozidriv; for Display Logic assembly only)
Table 3-1 3458A assemblies locations
Ref desig Part number Assembly description Location in instrument
A1 03458-66501 DC Circuitry Inguard/Top
A2 03458-66502 AC Circuitry Inguard/Bottom
A3 03458-66503 A/D Converter and Inguard Logic Inguard/Bottom
A4 03458-66504 Inguard Power Supply Inguard/Bottom
A5 03458-66505 Outguard Controller Outguard/Top
A5 03458-66515 Outguard Controller (Opt 001) Outguard/Top
A6 03458-66506 Outguard Power Supply Outguard/Bottom
A7 03458-66507 Display Logic Front Panel
A9 03458-66509 DC Reference Inguard/Top
A9 03458-66519 DC Reference (Opt 002) Inguard/Top
A10 03458-66510 Front/Rear Switch Inguard/Top
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