Disassembly/Assembly Procedures and Parts List 3
Keysight 3458A Assembly-Level Repair Manual 85
8 Use the #TX 10 Torx driver to remove the three screws on the Inguard Power
Supply assembly.
9 Push the Inguard Power Supply assembly toward the left, of the instrument (as
seen from the front) until it clears the slot in the chassis. Then remove the
board from the instrument.
Installation procedure
1 Set the 3458A on your workbench with the bottom facing you.
2 Refer to Figure 3-13. Line up the Inguard Power Supply assembly with the
slots in the chassis. Then push the board in.
3 Use the #TX10 Torx driver to install the three screws on the Inguard Power
Supply board.
4 Locate the gray 20-pin cable connected to the AC Converter assembly. Line up
the cable plug with the socket on the AC Converter assembly. Then plug the
cable all the way in.
5 Locate the gray 20-pin cable connected to the A/D Converter and Inguard
Logic assembly. Line up the cable plug with the socket on the A/D Converter
and Inguard Logic assembly. Then plug the cable all the way in.
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