Agilent Technologies E4406A VSA Series Service Manual page 199

13.Refer to
Figure 4-19 Motherboard Removal
Chapter 4
motherboard (2) to the deck. Lift the motherboard out of the deck.
Figure 4-21. Remove the shield (1) from the motherboard
(2) by removing the 13 screws (3) with the T-10 driver.
Assembly Replacement
A21 Motherboard
199