Replacing the Mainboard
1. Connect the DC input cable to the mainboard.
Figure 3-133. RF Switch and DC input Cables
2. Connect the LAN cable to the mainboard (a) and then slide the mainboard toward the left
side of the lower case, with the I/O ports of the mainboard extruding from their port holes,
then lower the mainboard in place (b).
Note the following reminders:
Make sure a RTC battery is installed on the mainboard.
Check that the DC input cable is properly positioned on the top left corner of the lower
case.
Figure 3-134. Mainboard
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Machine Maintenance
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