Vendor Type Description Item No | Acer EM250 specs

	Vendor	Type	Description	Item No.

	SIMPLO	3CELL2.2	Battery SIMPLO UM-2008A Li-Ion 3S1P	BT.00307.006
			SAMSUNG 3 cell 2200mAh Main COMMON
			2.2(F), black, new fuse

	SIMPLO	3CELL2.2	Battery SIMPLO UM-2008AW Li-Ion 3S1P	BT.00307.007
			SAMSUNG 3 cell 2200mAh Main COMMON
			2.2 (F), white, new fuse (NEC)

	SANYO	6CELL2.6	Battery SANYO UM-2008B Li-Ion 3S2P	BT.00603.058
			SANYO 6 cell 5200mAh Main COMMON
			Black

	SANYO	6CELL2.6	Battery SANYO UM-2008BW Li-Ion 3S2P	BT.00603.059
			SANYO 6 cell 5200mAh Main COMMON
			white

	SANYO	6CELL2.2	Battery SANYO UM-2008B Li-Ion 3S2P	BT.00603.067
			SANYO 6 cell 4400mAh Main COMMON
			Black, 2.2Ah (A)

	SANYO	6CELL2.2	Battery SANYO UM-2008BW Li-Ion 3S2P	BT.00603.068
			SANYO 6 cell 4400mAh Main COMMON
			White, 2.2 Ah (A)

	SONY	6CELL2.2	Battery SONY UM-2008B Li-Ion 3S2P SONY	BT.00604.031
			6 cell 4400mAh Main COMMON black

	SONY	6CELL2.2	Battery SONY UM-2008BW Li-Ion 3S2P	BT.00604.032
			SONY 6 cell 4400mAh Main COMMON white

	SONY	6CELL2.6	Battery SONY UM-2008B Li-Ion 3S2P SONY	BT.00604.033
			6 cell 5200mAh Main COMMON black

	SONY	6CELL2.6	Battery SONY UM-2008BW Li-Ion 3S2P	BT.00604.034
			SONY 6 cell 5200mAh Main COMMON white

	SIMPLO	6CELL2.2	Battery SIMPLO UM-2008A Li-Ion 3S2P	BT.00607.032
			PANASONIC 6 cell 4400mAh Main COMMON
			Macles

	SIMPLO	6CELL2.2	Battery SIMPLO UM-2008A Li-Ion 3S2P	BT.00607.033
			SAMSUNG 6 cell 4400mAh Main COMMON
			Macles

	SIMPLO	6CELL2.2	Battery SIMPLO UM-2008BW Li-Ion 3S2P	BT.00607.039
			PANASONIC 6 cell 4400mAh Main COMMON
			White color, PSS CG type

	SIMPLO	6CELL2.2	Battery SIMPLO UM-2008BW Li-Ion 3S2P	BT.00607.040
			SAMSUNG 6 cell 4400mAh Main COMMON
			white color, F type

	SIMPLO	6CELL2.6	Battery SIMPLO UM-2008B Li-Ion 3S2P	BT.00607.042
			SAMSUNG 6 cell 5200mAh Main COMMON
			Macles Black

	SIMPLO	6CELL2.6	Battery SIMPLO UM-2008BW Li-Ion 3S2P	BT.00607.044
			SAMSUNG 6 cell 5200mAh Main COMMON
			Macles White

	SIMPLO	6CELL2.6	Battery SIMPLO UM-2008B Li-Ion 3S2P LGC	BT.00607.055
			6 cell 5200mAh Main COMMON Black, LGC
			2.6 (B3)

	SIMPLO	6CELL2.6	Battery SIMPLO UM-2008BW Li-Ion 3S2P	BT.00607.056
			LGC 6 cell 5200mAh Main COMMON White,
			LGC 2.6 (B3)

	Bluetooth

	Foxconn	BT 2.0	Foxconn Bluetooth FOX_BRM_2.0 F/W 300	BT.21100.005

Appendix B

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Image 183

Acer EM250 manual Vendor Type Description Item No

Contents

EMachines eM250 Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Viii Troubleshooting 119 Windows XP Environment Test Jumper and Connector Locations 143 Table of Contents Chapter Features Special keys and controls PowerCommunication Privacy control ICH7M System Block Diagram Your eMachines Notebook tour Front ViewIcon Description Left View Closed Front View Rear and Base View Right View Indicators Icon Function DescriptionHDD Function Left Button Right Button Main TouchPad TouchPad Basics Lock Keys and embedded numeric keypad Using the Keyboard Key Description Windows Keys Hotkey Icon Function Description Hot Keys Euro symbol Special KeysUS dollar sign Hardware Specifications and Configurations Processor SpecificationProcessor Specifications System Memory Specification System Storage SpecificationHard Disk Drive Interface Specification LTN101NT02-A01, LPL LP101WSA-TLA1 LED Specification Lvds Audio Codec and Amplifier SpecificationLAN Interface Specification Keyboard Specification Wireless LAN Specification Mini Card SpecificationCamera Specification 3G Card Specification Chapter Navigating the Bios Utility Bios Setup Utility Information Parameter DescriptionUuid Parameter Description Format/Option Main Clear or Set Enabled orSecurity Parameter Description Option Removing a Password Setting a Password Continue Changing a Password USB Cdrom Boot Exit Exit Saving Changes Exit Bios Flash Utility USB HDD DOS Flash UtilityPage WinFlash Utility UnlockHD Remove HDD/BIOS Password UtilitiesRemoving HDD Password Password Cleaning Bios Passwords Removing Bios Passwords Using Boot Sequence Selector Using DMIToolsMiscellaneous Utilities Example 1 Read DMI Information from Memory Using the LAN MAC Utility Execute MAC.BAT to write MAC information to eeprom Chapter Chapter Related Information Disassembly Requirements Main Screw List Quantity Part Number Pre-disassembly InstructionsDisassembly Process General Information External Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Step Size Quantity Screw Type Lower Covers M2*4 Removing the Lower Covers Chapter Step Size Quantity Screw Type HDD Module M2*4 Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Removing the Dimm Module Step Size Quantity Screw Type 3G Module M2*3 Removing the 3G Module Detach the 3G Module from the socket Chapter Main Unit Disassembly Flowchart Main Unit Disassembly Process Removing the Keyboard Disconnect the FFC and remove the Keyboard Step Size Quantity Screw Type Removing the Upper Cover Chapter Step Size Quantity Screw Type Upper Cover M2*4 Chapter Step Size Quantity Screw Type Power Board M2*3 Removing the Power Board Chapter Removing the Bluetooth Module Removing the TouchPad FFC Step Size Quantity Screw Type Wlan Board M2*3 Removing the Wlan Board Remove the Wlan Board from the Mainboard Step Size Quantity Screw Type USB Board M2*4 Removing the USB Board Chapter Removing the Mainboard Step Size Quantity Screw Type Mainboard M2*4 Page Removing the RTC Battery Step Size Quantity Screw Type Thermal Module M2*4 Removing the Thermal Module Lift the Thermal Module clear of the Mainboard Step Size Quantity Screw Type Speaker Module M2*4 Removing the Speaker Module Chapter Removing the LCD Module Chapter Step Size Quantity Screw Type LCD Module M2*4 Removing the AC Power Jack LCD Module Disassembly Flowchart LCD Module Disassembly Process Step Size Quantity Screw Type LCD Bezel M2*4 Removing the LCD BezelPage Removing the Camera Board Step Size Quantity Screw Type LCD Panel M2*4 Removing the LCD Panel Chapter Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type Hinge Covers M2*3 Left Right Bracket Removing the Antennas Chapter Page Replacing the Antennas LCD Module Reassembly ProcedurePage 3G and Wlan Models Wlan Only Models Replacing the LCD Cable and Brackets Left Right Bracket Page Replacing the LCD Panel Replacing the Camera Board Connect the Camera cable as shown Replacing the LCD Bezel Replacing the AC Power Jack Main Module Reassembly Procedure Replacing the LCD Module Chapter Page Replacing the Speaker Module Replacing the Thermal Module Replacing the Mainboard Page Replacing the USB Board Replacing the Wlan Board Replacing the TouchPad FFC Replacing the Bluetooth ModulePage Replacing the Power Board Page Replacing the Upper Cover Page Connect B to the Mainboard Replacing the 3G Module Replacing the Keyboard 114 Chapter Replacing the Hard Disk Drive Module Replacing the Dimm Module Replace the single screw to secure the HDD in place Replacing the Lower Covers Replacing the Battery Pack Symptoms Verified Go To Common Problems Power On Issue Computer Shuts down IntermittentlySW/B No Post or Video No Display Issue Abnormal Video Display Random Loss of Bios Settings Built-In Keyboard Failure LCD Failure FFC TouchPad Failure Internal Speaker Failure Sound Problems 126 Chapter Microphone Problems Select Set up microphoneInternal Microphone Failure HDD Not Operating Correctly Select Repair your computerSelect Startup Repair USB Failure Rightside Wireless Function Test Failure 3G Function Test Failure Switch Failure Thermal Units Failure Power Button Failure Other Failures External Mouse Failure Intermittent Problems Undetermined ProblemsDimm Motherboard Cmos Discharge Code Description Post Code Reference TablesSec Memory BDS & Specific action Each Driver entry point used in 80PORT Each Peim entry point used in 80PORT Smbios CF9RESETBootpriority Fvbservice Fwblockservice LegacybiosLegacybiosplatform Setuputility Each SmmDriver entry point used in 80PORT Top View Bottom View Power board SW1LED1 LED2 3GWWAN LED JSATA1 Card reader boardJUSB2 JREAD1 Hardware Open Gap Description Clearing Password Check and Bios RecoveryClearing Password Check Steps for Clearing Bios Password Check Steps for Bios Recovery by USB Flash Crisis Disk Bios Recovery by Crisis DiskBios Recovery Boot Block Bios Recovery Hotkey FRU Field Replaceable Unit List EMachines eM250 Exploded Diagrams Main AssemblyDescription Part Number Rear Assembly Upper Cover Assembly Lower Cover Assembly LCD Assembly 04AC LF Power BoardEMachines eM250 FRU List AcerPN Acer Description IO Board Cable IO BoardBlue Tooth Cable DC-IN CABLE-30W AcerPN Acer Description 42.S6802.004 HDD DOOR-BLACK 158 Chapter 159 LCD Hinge Cover L-BLACK LCDANTENNA, CCD, Black LCD Hinge Cover R-BLACK Acer Description Acer PN Screw List Appendix a Model Definition and Configuration Model eM250-01G16 EMachines eM250 Series Appendix a 166 Switzerl LX.N970 EM250-01G16i AOXPHeTCH1 UMACks 1*1G/160 Appendix a 168 Gctwn Model eM250-01G25i Model eM250-02G16i Appendix a 172 Appendix B Test Compatible Components Vendor Type Description Item No Windows 7 Environment Test Vendor Type Description Item No Toshiba CPU Intel ATMN270BIntel ATMN280B HDD Seagate Samsung SO512MBII Hynix SO512MBIINanya SO1GBII6 178 UMA ICH7M 180 Appendix C Online Support Information 182 Index 184 ODD 129 186