56 16900A, 16902A, and 16903A Service Guide
6 Replacing Assemblies
To remove and replace the PCI board
16900A and 16902A PCI board
1 Perform previous procedures:
• “To prepare the instrument for disassembly" on
page 48
• “To remove and replace the cover" on page 52
• “To remove and replace the CPU tray" on page 53
2 Using a Torx T10 screwdriver, remove the 2 screws that
secure the PCI board to the CPU tray.
3 Disconnect the CPU/touch screen cable.
4 Pull the end of the PCI board that is attached to the PCI
bracket toward you to release it from the bracket then lift
slightly to remove from slots.
5 Pull up the other end of the PCI board to disconnect it
from the PCI socket on the motherboard.
6 Reverse this procedure to install the PCI board.
16903A PCI board
1 Perform previous procedures:
• “To prepare the instrument for disassembly" on
page 48
• “To remove and replace the cover" on page 52
T-10 Screws (2)
16900/02A
CPU Tray
PCI Socket on
Motherboard
PCI Bracket
Touch Screen
Cable
PCI Board
Slots
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