General Information 1
Keysight 3458A Assembly-Level Repair Manual 25
Tools and Equipment Required
Tools required
You need the following tools for instrument covers removal and installation.
1 #1 Pozidriv screwdriver.
2 #TX15 Torx driver.
3 #TX10 Torx driver.
You need the following tools for the printed circuit board assemblies removal/
installation procedures.
1 #1 Pozidriv screwdriver.
2 TX10 Torx driver.
3 6 millimeter nut driver (for A/D Converter assembly only).
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)
Test equipment required
You need the following to troubleshoot the 3458A.
1 4 1/2 digit digital multimeter that can measure +5 V, +18 V, and –18 V DC.
2 Computer with GPIB capability (for GPIB failures only).
3 Logic Probe or Oscilloscope than can measure a 1 µS 5 V pulse (for Ext Out
failures only).
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