3-38 Machine Maintenance ProceduresMainboard Removal 0Prerequisite:Upper Cover Removal1. Locate mainboard on lower cover as shown in Figure 3-34.2. Disconnect DC-in cable from mainboard connector (A).3. Disconnect speaker cable from mainboard connector (B).4. Disconnect LAN module FFC from mainboard connector (C).5. Disconnect USB module FFC from mainboard connector (D).Figure 3-34. Mainboard Connectors (Top)AABBCCDDE