Acer Aspire 4820TG Service Guide - Page 20

No. 7 Icon Item Microphone-in jack Headphones/ speaker/line-out jack Description Accepts input from external microphones. Connects to audio line-out devices (e.g. speakers, headphones). Right View No. 1 2 3 4 6 1 2 Icon Item USB 2.0 ports Optical drive Optical disk access indicator Emergency eject hole DC-in jack 34 5 Description Connect to USB 2.0 devices (e.g. USB mouse, USB camera). Internal optical drive; accepts CDs or DVDs. Lights up when the optical drive is active. Ejects the optical drive tray when the computer is turned off. Note: Insert a paper clip into the emergency eject hole to eject the optical drive tray when the computer is off. Connects to an AC adapter. 10 Chapter 1