Figure 4-62 Power Supply Deck Assembly With The Power Supply Module And Pc Motherboard - Keysight 8990B Service Manual

4 Repair Guide
Figure 4-62
12 Place the power supply deck assembly with the power supply module (PSU)
13 Remove and replace the power supply module with the following steps.
142
Power supply deck assembly with the power supply module and
PC motherboard
faced up.
a Unscrew the five screws (0515-0390) with the 18 in-lbs T20, Torx
screwdriver and slot out the PSU as shown in Figure 4-63.
Keysight 8990B Service Guide