Replacing Assemblies 6
16900A, 16902A, and 16903A Service Guide 61
16903A I/O 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
1 Disconnect the I/O cable.
2 Using a Torx T10 screwdriver, remove the 2 screws
securing the I/O board to the rear panel.
3 Slide the I/O panel out.
4 Reverse this procedure to install the I/O board.
I/O Board
Assembly
T10 Screw
I/O Cable
T10 Screw
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