www.SoporteTecnicoBsAs.com.ar Repuestos para tus equipos. Al mejor precio. Envios a Todo el Pais Aspire 1820PT/1420P Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN vi Table of Contents System Specifications 1 Features . .1 System Block Diagram . .3 Your Notebook Tour . .4 Front View . .4 Closed Front View . .5 Left View . .6 Right View . .6 Base View . .7 Rear View . .8 Indicators . .8 TouchPad Basics . .9 Using the Keyboard . .10 Lock Keys and embedded numeric keypad . .10 Windows Keys . .11 Hot Keys . .12 Special Keys . .13 Hardware Specifications and Configurations . .14 System Utilities 23 BIOS Setup Utility . .23 Navigating the BIOS Utility . .23 Information . .24 Main . .25 Security . .26 Boot . .29 Exit . .30 BIOS Flash Utility . .31 DOS Flash Utility . .32 WinFlash Utility . .33 Remove HDD/BIOS Password Utilities . .34 Removing BIOS Passwords: . .35 Miscellaneous Utilities . .36 Machine Disassembly and Replacement 39 Disassembly Requirements . .39 Related Information . .39 General Information . .39 Pre-disassembly Instructions . .39 Disassembly Process . .40 External Module Disassembly Process . .41 External Modules Disassembly Flowchart . .41 Removing the Dummy Card . .42 Removing the Battery Pack . .42 Removing the SIM Card . .43 Removing the Module Cover . .44 Removing the Hard Disk Drive Module . .45 Removing the DIMM Module . .47 Removing the WLAN Board . .48 Removing the 3G Module . .49 Main Unit Disassembly Process . .51 Main Unit Disassembly Flowchart . .51 Removing the Keyboard . .53 Removing the Hinge Covers . .55 vii Table of Contents Removing the Upper Cover . .57 Removing the Button Board . .61 Removing the I/O Board . .65 Removing the Bluetooth Module . .67 Removing the LED Board . .68 Removing the CRT Board . .71 Removing the Mainboard . .73 Removing the Thermal Module . .76 Removing the RTC Battery . .77 Removing the Speaker Modules . .77 Removing the LCD Module . .78 LCD Module Disassembly Process . .80 LCD Module Disassembly Flowchart . .80 Removing the LCD Bezel . .82 Removing the Camera Board . .85 Removing the Microphone . .86 Removing the LCD Panel . .86 Removing the LCD Cable . .88 Removing the LCD Brackets . .91 Removing the Touchscreen Board . .92 Removing the Hinge . .93 Removing the Antennas . .94 LCD Reassembly Procedure . .97 Replacing the Antennas . .97 Replacing the Hinge . .98 Replacing the Touchscreen Board. ..