Removing The Dc-Dc Converter Board; Removing The Mainboard - Acer 390 Series Service Manual

3. Gently remove the DC-DC converter board (CN7).
Figure 4-22

Removing the DC-DC Converter Board

4. Unplug the battery charger connector (CN22) and remove four screws that secure the
motherboard to the base assembly. Then pull up to remove the mainboard.
Figure 4-23

Removing the Mainboard

4-18 Service Guide