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Servicing
I/O Expansion Board Replacement (Optional)
7-18
Model 49i Instruction Manual
2. Unplug the I/O expansion board cable from the EXPANSION BD
connector on the motherboard.
3. Remove the two standoffs holding the I/O expansion board connector
to the rear panel
(Figure
4. Pop off the board from the mounting studs and remove the board.
5. To install the I/O expansion board, follow previous steps in reverse.
6. Calibrate the analog current outputs and the analog voltage inputs as
described earlier in this chapter.
Motherboard
Digital Output Board
I/O Expansion Board (Opt)
Figure 7-7. Replacing the I/O Expansion Board (Optional)
7-8).
Motherboard Support Bracket
Mounting Stud
s
Thermo Fisher Scientific
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Troubleshooting
