Acer Aspire E700 Aspire E700 Service Guide - Page 65

Front USB Front Audio (AC'97) # Pin Definition Description 1 VREG_FP_USBPWR0 Front panel USB power (ports 0 & 1) 2 VREG_FP_USBPWR0 Front panel USB power (ports 0 & 1) 3 USB_FP_P0- Front panel USB port 0 negative signal 4 USB_FP_P1- Front panel USB port 1 negative signal 5 USB_FP_P0+ Front panel USB port 0 positive signal 6 USB_FP_P1+ Front panel USB port 1 positive signal 7 GND Ground 8 GND Ground 9 Key Key 10 USB_FP_OC0 Front panel USB over current signal (port 0 & 1) # Pin Definition 1 AUD_MIC 2 AUD_GND 3 AUD_MIC_BIAS 4 AUD_VCC 5 AUD_FPOUT_R 6 AUD_RET_R 7 HP_ON 8 Key 9 AUD_FPOUT_L 10 AUD_RET_L Description Front panel microphone input signal Ground used by analog audio circuits Microphone power Filtered +5V used by analog audio circuits Right channel audio signal to front panel Right channel audio signal return from front panel RSVD for future use to control headphone amplifier No pin Left channel audio signal to front panel Left channel audio signal return from front panel 57 Chapter 5