Acer 721TX Service Guide - Page 111

Chapter 5 Jumper and Connector Information Top View &1 &1 &1 &1 &1 &1 &1 &1 &1 &1 &1 &1 &1 &1 PCB No. 97143 CN13 LCD Connector CN9 Cover Switch Connector CN4 MIC Connector CN21 HDD Connector CN17 IMM Connector (MMC 2) CN22& CN23 DC/DC & Charger board Connector CN8 CN10 CN11 CN18 CN19 CN20 CN24 LED Connector Left Speaker Connector Right Speaker Connector FDD Coneector Touchpad Connector Keyboard Connector Fan Connector SW1 BIOS Acer OEM Keyboard English US English Japanese European ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 Chapter 5 103