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184

Appendix B

PLDS

NSM8XS

ODD PLDS Super-Multi DRIVE 12.7mm Tray DL 8X DS-
8A3S LF W/O bezel SATA

VGA Chip

None

UMA

UMA (AMD)

NB Chipset

AMD

AMDRS690MC

AMD RS690MC

SB Chipset

ATI

SB600

Keyboard

eMACHINES

EM-7T

Keyboard eMACHINES EM-7T HM50/70 Internal 17
Standard Black

LAN

Atheros

AR8114

Atheros AR8114 AR8114

WiFi Antenna

WNC

PIFA

Audio Codec

Realtek

ALC272X

Realtek Audio Codec ALC272X

A cover

Quanta Wistron

Normal wi IMR

B cover

Mirror w/Camera

Camera

Suyin

0.3M DV

Suyin 0.3M DV Camellia_2G

Chicony

0.3M DV

Chicony 0.3M DV Calla_2G

Card Reader

5 in 1-Build in

5 in 1-Build in MS, MS Pro, SD, SC, XD

Software

NIS

Antivirus application NIS

Wireless LAN

Foxconn

3rd WiFi BG

Foxconn FOX_ATH_XB63 Foxconn Atheros XB63 minicard
b/g

Foxconn

3rd WiFi BG

Foxconn Wireless LAN Broadcom 4312 minicard b/g

Adapter

DELTA

65W

Adapter DELTA 65W 19V 1.7x5.5x11 Yellow ADP-65JH DB
A, LV5 LED LF

LITE-ON

65W

Adapter LITE-ON 65W 19V 1.7x5.5x11 Yellow PA-1650-
22AC LV5 LED LF

HIPRO

65W

Adapter HIPRO 65W 19V 1.7x5.5x11 Yellow HP-A0652R3B
1LF, LV5 LED LF

Battery

SANYO

6CELL2.2

Battery SANYO AS-2009A Li-Ion 3S2P SANYO 6 cell
4400mAh Main COMMON 2.2Ah(A)

SONY

6CELL2.2

Battery SONY AS-2009A Li-Ion 3S2P SONY 6 cell 4400mAh
Main COMMON 2.2Ah(G6F)

PANASONIC

6CELL2.2

Battery PANASONIC AS-2009A Li-Ion 3S2P PANASONIC 6
cell 4400mAh Main COMMON 2.2Ah(CG )

Vendor

Type

Description

Содержание eMachines HM50-YK

Страница 1: ...eMachines HM50 YK Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the ACER CSD web for more information please refer to http csd acer com tw...

Страница 2: ...II Revision History Please refer to the table below for the updates made on eMachines HM50 MV HM50 YK service guides Date Chapter Updates...

Страница 3: ...ect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in this manual is sold or license...

Страница 4: ...bits and pieces of additional information related to the current topic WARNING Alerts you to any damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures...

Страница 5: ...NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details 2 Please note WHEN OR...

Страница 6: ...VI...

Страница 7: ...Information 26 Main 27 Advanced 28 Security 29 Boot 32 Exit 33 BIOS Flash Utilities 34 DOS Flash Utility 35 WinFlash Utility 37 Remove HDD BIOS Password Utilities 38 Machine Disassembly and Replaceme...

Страница 8: ...sembly Procedure 101 Replacing the CPU 101 Replacing the CPU Fan 102 Replacing the Thermal Module 102 Replacing the Mainboard 103 Replacing the TouchPad Bracket 104 Replacing the Right Speaker Module...

Страница 9: ...ssword Check and BIOS Recovery 146 Clearing Password Check 146 Clear CMOS Jumper 146 BIOS Recovery by Crisis Disk 147 FRU Field Replaceable Unit List 149 eMachines HM50 YK Exploded Diagrams 150 Main A...

Страница 10: ...X Table of Contents...

Страница 11: ...lots supporting DDR II 667 800 Adjustable Maximum 128MB UMA VGA memory shared from North Bridge Maximum memory 2GB per slot 4GB total On board cache up to 1MB Display 15 6 WXGA HD 720p 1366x768 Graphi...

Страница 12: ...WOL AC mode S5 support Modem External USB 2 0 modem Support Wake on Ring S3 Privacy control BIOS user supervisor HDD passwords Kensington lock slot Power subsystem 65W Universal jack for adapter Batte...

Страница 13: ...Chapter 1 3 Kensington Lock 7 5mm Environment Temperature Operating 5 C to 35 C Non operating 20 C to 65 C Humidity non condensing Operating 20 to 80 Non operating 20 to 80...

Страница 14: ...4 Chapter 1 System Block Diagram...

Страница 15: ...LCD displays computer output 3 Touchpad toggle Turns the internal touchpad on and off Power button Turns the computer on and off Wireless LAN communication button indicator Enables disables the wirel...

Страница 16: ...Lights up when Num Lock is activated Caps Lock Lights up when Caps Lock is activated No Icon Item Description 1 Power1 Indicates the computer s power status Battery1 Indicates the computer s battery...

Страница 17: ...ter 2 Ethernet RJ 45 port Connects to an Ethernet 10 100 based network 2 External display VGA port Connects to a display device e g external monitor LCD projector 4 USB 2 0 ports Connect to USB 2 0 de...

Страница 18: ...paper clip into the emergency eject hole to eject the optical drive tray when the computer is off 5 Kensington lock slot Connects to a Kensington compatible computer security lock Note Wrap the compu...

Страница 19: ...Houses the computer s hard disk secured with screws 5 Memory compartment Houses the computer s main memory 5 Ventilation slots and cooling fan Enable the computer to stay cool even after prolonged us...

Страница 20: ...ing The light shows amber when the battery is charging 2 Fully charged The light shows green when in AC mode Icon Function Description Power Indicates the computer s power status Battery Indicates the...

Страница 21: ...Pad keep it and your fingers dry and clean The TouchPad is sensitive to finger movement hence the lighter the touch the better the response Tapping too hard will not increase the TouchPad s responsive...

Страница 22: ...ercase Num Lock Fn F11 When Num Lock is on the embedded keypad is in numeric mode The keys function as a calculator complete with the arithmetic operators and Use this mode when you need to do a lot o...

Страница 23: ...k domain M Minimizes all windows R Open the Run dialog box T Cycle through programs on the taskbar U Open Ease of Access Center X Open Windows Mobility Center BREAK Display the System Properties dialo...

Страница 24: ...tings Management in Acer Empowering Technology Fn F3 Acer ePower Management Launches Acer ePower Management in Acer Empowering Technology Fn F4 Sleep Puts the computer in Sleep mode Fn F5 Display togg...

Страница 25: ...t Gr and then press the 5 key at the upper center of the keyboard NOTE Note Some fonts and software do not support the Euro symbol Please refer to www microsoft com typography faq faq12 htm for more i...

Страница 26: ...ltiple windows on the same screen To access this function please go to Start All Programs and click on Acer GridVista You may choose any one of the four display settings indicated below Double vertica...

Страница 27: ...SB600 ENE KB926 for Keyboard Controller Battery management Unit Integrated VGA solution for RS690MC CPU Package Micro uPGA 638 Package Power 45W On die Cache Up to 1MB L2 cache Front Side Bus 667 800...

Страница 28: ...iance with Intel Speed Step support C1 C2 C3 C4 and S3 S4 for mobile CPU DMI utility for BIOS serial number configurable asset tag Supports PXE Supports Y2K solution Supports Win Flash Wake on LAN fro...

Страница 29: ...n Slot 1 Slot 2 Total Memory 0MB 512MB 512MB 0MB 1024MB 1024MB 0MB 2048MB 2048MB 512MB 512MB 1024MB 512MB 1024MB 1536MB 512MB 2048MB 2560MB 1024MB 0MB 1024MB 1024MB 512MB 1536MB 1024MB 1024MB 2048MB 1...

Страница 30: ...M 5400 5400 5400 5400 Performance Specifications Buffer size 8 MB 8 MB 8 MB 8 MB Interface SATA SATA SATA SATA Internal transfer rate Mbits sec max 352 395 952 typical 850 Mbits s maximum I O data tra...

Страница 31: ...DVD 9 DVD 10 DVD 18 DVD Video DVD Audio SACD Hybrid UDF DVD DVD R DVD R DL DVD R 3 95 GB DVD R Authoring DVD R Multi Border DVD RW DVD R DVD R DL DVD R Multi Session DVD RW DVD RAM V1 0 DVDRAM V2 0 2...

Страница 32: ...age Features 99 100 103 key keyboard Touchpad pointing device Supply Current Total number of keypads Windows logo key Hotkeys Item Specification 6 Cell Vendor model name SANYO SONY PANASONIC SIMPLO AS...

Страница 33: ...with inverter 500 Physical Size mm 359 3 x 209 5 x 5 9 Electrical Interface LVDS Support Color 262K Viewing Angle up down right left 20 45 45 45 Temperature Range C Operating Storage shipping 0 to 50...

Страница 34: ...24 Chapter 1...

Страница 35: ...nge boot device without entering BIOS SETUP Utility Navigating the BIOS Utility There are six menu options Information Main Advanced Security Boot and Exit Follow these instructions To choose a menu u...

Страница 36: ...ield displays the manufacturer of this system UUID Number Universally Unique Identifier UUID is an identifier standard used in software construction standardized by the Open Software Foundation OSF as...

Страница 37: ...server Option Enabled or Disabled F12 Boot Menu Enables disables Boot Menu during POST Option Enabled or Enabled D2D Recovery Enables disables D2D Recovery function The function allows the user to cre...

Страница 38: ...user password is set this password protects the BIOS Setup Utility from unauthorized access The user can enter Setup menu only and does not have right to change the value of parameters N A Set SATA P...

Страница 39: ...er to Set 4 If desired you can opt to enable the Password on boot parameter 5 When you are done press F10 to save the changes and exit the BIOS Setup Utility Removing a Password Follow these steps 1 U...

Страница 40: ...en you are done press F10 to save the changes and exit the BIOS Setup Utility If the verification is OK the screen will display as following The password setting is complete after the user presses Ent...

Страница 41: ...ove it up the List or F5 to move it down the list Press Esc to escape the menu F1 Esc Help Exit Select Item Select Menu Change Values Select Sub Menu Enter F9 F10 Setup Defaults Save and Exit Boot pri...

Страница 42: ...d Changes Load previous values from CMOS for all SETUP items Save Changes Save Setup Data to CMOS PhoenixBIOS Setup Utility Item Specific Help Exit System Setup and save your changes to CMOS F1 Esc He...

Страница 43: ...Diskette before you use the Phlash utility NOTE Do not install memory related drivers XMS EMS DPMI when you use the Phlash NOTE Please use the AC adaptor power supply when you run the Phlash utility...

Страница 44: ...select a device then press F6 to move it up the List or F5 to move it down the list Press Esc to escape the menu F1 Esc Help Exit Select Item Select Menu Change Values Select Sub Menu Enter F9 F10 Se...

Страница 45: ...the message Flash programming complete displays WinFlash Utility Perform the following steps to use the WinFlash Utility 1 Double click the WinFlash executable 2 Click OK to begin the update WinFlash...

Страница 46: ...code is generated for unlocking the HDD Note down this code 2 Execute the Unlock6 EXE file to create the unlock code in DOS Mode using the format UnlockHD Encode code with the code noted in the previo...

Страница 47: ...re open the WLAN door and use a metal instrument to short the J1 jumper Cleaning BIOS Passwords To clean the User or Supervisor passwords using software utilites perform the following steps 1 From a D...

Страница 48: ...ector allows the boot order to be changed without accessing the BIOS To use Boot Sequence Selector perform the following steps 1 Enter into DOS 2 Execute BS exe to display the usage screen 3 Select th...

Страница 49: ...al number to eeprom max 22 characters dmitools wu xxxx Write uuid to eeprom dmitools wa xxxx Write asset tag to eeprom max 32 characters The following examples show the commands and the corresponding...

Страница 50: ...the EEPROM under DOS mode 1 Use a text editor for example Notepad to open the MAC CFG file You can see the MAC CFG contents as below 2 In DOS mode run the MAC BAT file to write MAC values to eeprom Wr...

Страница 51: ...oting Disassembly Requirements To disassemble the computer you need the following tools Wrist grounding strap and conductive mat for preventing electrostatic discharge Flat screwdriver Philips screwdr...

Страница 52: ...If any part of the LCD Module is faulty such as the camera antenna or LCD panel the whole module must be replaced The disassembly process is divided into the following stages External module disassem...

Страница 53: ...nd instructs you on the components that need to be removed during servicing For example if you want to remove the keyboard you must first remove the switch board Screw List Step Screw Quantity Part No...

Страница 54: ...moving the Battery Pack 1 Turn computer over Slide the battery lock in the direction shown 2 Slide and hold the battery release latch to the release position 1 then lift out the battery pack from the...

Страница 55: ...Chapter 3 49 Removing the SD Dummy Card 1 Push the SD dummy card all the way in to eject it 2 Pull it out from the slot...

Страница 56: ...ee Removing the Battery Pack on page 48 2 Remove the three screws securing the Memory and HDD Covers 3 Remove the HDD cover as shown 4 Carefully open the Memory Cover Step Size Quantity Screw Type Low...

Страница 57: ...on page 48 2 Remove the screw securing the ODD module 3 Insert a suitable tool into the access slot in the battery bay as shown Gently lever the ODD module out of the chassis 4 Pull the optical drive...

Страница 58: ...rews securing the ODD bracket and remove the ODD bracket from the optical disk drive module 6 Remove the ODD bezel by rotating the top edge downward and pulling it clear of the module Step Size Quanti...

Страница 59: ...DIMM Modules 1 See Removing the Lower Covers on page 50 2 Push out the release latches on both sides of the DIMM socket to release the DIMM module 3 Remove the DIMM module 4 Repeat steps for the seco...

Страница 60: ...emoving the Lower Covers on page 50 2 Remove the adhesive tape securing the Antenna cables in place 3 Disconnect the antenna cables from the WLAN Board NOTE Cable placement is Black to the MAIN termin...

Страница 61: ...remove the two screws to release the WLAN Board 5 Detach the WLAN Board from the WLAN socket NOTE When reattaching the antennas ensure the cables are tucked into the chassis to prevent damage Step Siz...

Страница 62: ...e Lower Covers on page 50 2 Using the pull tab slide the HDD Module in the direction of the arrow to disconnect the interface 3 Lift the HDD Module clear of the HDD bay NOTE To prevent damage to devic...

Страница 63: ...Chapter 3 57 4 Remove the four screws two each side securing the hard disk to the carrier 5 Remove the HDD from the carrier Step Size Quantity Screw Type HDD Carrier M3 3 4...

Страница 64: ...le M2 3 1 Right Speaker Module M2 3 1 TouchPad Bracket M2 3 2 Mainboard M2 5 4 1 Thermal Module 4 CPU Fan M2 3 3 Remove Mainboard Remove Switch Cover Remove Keyboard Remove Upper Cover Remove LCD Modu...

Страница 65: ...Switch Cover 1 See Removing the Battery Pack on page 48 2 Turn the computer over Press down the and keys on the right side of the Keyboard to expose the cutout Insert a suitable plastic tool or finge...

Страница 66: ...59 2 Pry up the centre of the Keyboard and rotate it upward away from the Upper Cover 3 Turn the keyboard over on to the TouchPad area to expose the FFC connector 4 Open the locking latch and disconne...

Страница 67: ...d on page 60 2 Turn the computer over Remove the two securing screws from the bottom of the chassis 3 Remove the Antenna Cables from the cable channel as shown Ensure that the cables are free from all...

Страница 68: ...les completely through the chassis 5 Disconnect the LCD cable from the Mainboard and remove the cable from the cable channel 6 Remove the white Antenna cable from the cable channel Ensure that the cab...

Страница 69: ...le channel as shown Ensure that the cable is completely free of the retaining clips all the way to the hinge well 9 Open the LCD Panel to the full extent to expose the Hinge Covers 10 Press the left s...

Страница 70: ...he four securing screws two each side from the LCD module 13 Remove the left and right screw covers from on top of the hinges 14 Lift the LCD Module clear of the Upper Cover Step Size Quantity Screw T...

Страница 71: ...oving the LCD Module on page 61 2 Turn the computer over Remove the eleven screws on the bottom panel 3 Turn the computer over Remove the three screw caps at the rear of the Upper Cover as shown Step...

Страница 72: ...66 Chapter 3 4 Disconnect the following four cables from the Mainboard A B C D...

Страница 73: ...to the connectors NOTE Use the pull tabs on FFCs whenever available to prevent damage 5 Disconnect A as shown 6 Disconnect C as shown 7 Release the locking latch on B and remove the FFC cable as show...

Страница 74: ...10 Starting at the rear left side of the cover pry apart the Upper and Lower Covers as shown Work along the back edge of the casing to the right as shown then lift the Upper Cover clear of the Lower C...

Страница 75: ...the Upper Cover on page 65 2 Locate the Power Board on the Upper Cover as shown 3 Remove the two screws securing the Power Board to the Upper Cover 4 Lift the Power Board clear of the Upper Cover as s...

Страница 76: ...e Removing the Upper Cover on page 65 2 Locate the Left Speaker Module on the Upper Cover as shown 3 Remove the adhesive tape from the Speaker cable 4 Remove the Speaker cable from the cable channel E...

Страница 77: ...hapter 3 71 5 Remove the single securing screw from the Left Speaker Module 6 Lift the Speaker clear of the Upper Cover left side first as shown Step Size Quantity Screw Type Left Speaker Module M2 3...

Страница 78: ...e 65 2 Locate the Right Speaker Module on the Upper Cover as shown 3 Turn the Upper Cover over and remove the Right Speaker Module cable from the cable channel Ensure that the cable is free from all c...

Страница 79: ...pter 3 73 5 Remove the single securing screw from the Right Speaker Module 6 Lift the Speaker clear of the Upper Cover right side first as shown Step Size Quantity Screw Type Right Speaker Module M2 3...

Страница 80: ...e removed individually To replace the TouchPad Board replace the entire Upper Cover 1 See Removing the Upper Cover on page 65 2 Lift the FFC to detach the adhesive securing the cable to the Upper Cove...

Страница 81: ...3 75 4 Remove the two screws from TouchPad bracket 5 Lift the rear edge of the TouchPad bracket first to clear the securing clips and remove it as shown Step Size Quantity Screw Type TouchPad Bracket...

Страница 82: ...ee Removing the Upper Cover on page 65 2 Remove the single securing screw from the Mainboard 3 Lift the mainboard from the chassis right edge first and place it on a clean dust free surface Step Size...

Страница 83: ...77 Removing the RTC Battery IMPORTANT Follow local regulations for disposal of all batteries The RTC Battery is soldered to the Mainboard To replace the battery solder the new battery to the connecti...

Страница 84: ...ving the Lower Covers on page 50 2 Turn the Mainboard over to access the Thermal Module 3 Remove the four securing screws in reverse numerical order from screw 4 to screw 1 from the Thermal Module Ste...

Страница 85: ...Chapter 3 79 4 Using both hands lift the Thermal Module clear of the Mainboard...

Страница 86: ...ving the CPU Fan 1 See Removing the Thermal Module on page 78 2 Disconnect the Fan cable from the Mainboard as shown 3 Remove the three securing screws from the Fan Module Step Size Quantity Screw Typ...

Страница 87: ...Chapter 3 81 4 Lift the CPU Fan clear of the Mainboard as shown...

Страница 88: ...te If they are damaged the CPU may malfunction Place the CPU on a clean dry surface when it is not installed 1 See Removing the Thermal Module on page 78 2 Using a flat bladed screw driver rotate the...

Страница 89: ...lowchart Screw List Step Screw Quantity Part No LCD Bezel M2 5 6 4 LCD Panel M2 5 6 2 LCD Brackets M2 3 6 Remove LCD Panel Remove LCD Bezel Remove LCD FPC Cable Remove LCD Panel from Main Unit before...

Страница 90: ...ng from the bottom edge of the bezel pry the bezel upwards and away from the panel Work along the right side toward the top of the bezel prying the covers apart Continue along the top edge and down th...

Страница 91: ...apter 3 85 Removing the Camera Module 1 See Removing the LCD Bezel on page 84 2 Locate the Camera Module at the top of the LCD Module and disconnect the camera cable 3 Remove the Camera from the modul...

Страница 92: ...the Camera Module on page 85 2 Remove the two securing screws from the LCD Panel 3 Remove the adhesive strip holding the cables in place 4 Remove the Camera cable cluster from the LCD Module as shown...

Страница 93: ...Chapter 3 87 5 Lift the LCD Panel clear of the module...

Страница 94: ...FPC Cable 1 See Removing the LCD Panel on page 86 2 Remove the six securing screws three on each side from the LCD Panel brackets 3 Remove the LCD brackets by pulling away from the LCD Panel Step Siz...

Страница 95: ...e rear Lift the adhesive protector and disconnect the cable from the LCD Panel 5 Lift the cable as shown to disengage the adhesive strip securing it in place 6 Lift the FPC cable to disengage the rema...

Страница 96: ...he adhesive strips holding the left antenna cable in place Ensure the cable is free from obstructions 3 Remove the cable from the cable channel Ensure that the cable is free from all cable clips and a...

Страница 97: ...r of the cover 6 Remove the adhesive strips holding the right antenna cable in place Ensure the cable is free from obstructions 7 Remove the cable from the cable channel Ensure that the cable is free...

Страница 98: ...92 Chapter 3 8 Remove the adhesive tape securing the right Antenna to the LCD Module 9 Lift the right Antenna clear of the cover...

Страница 99: ...that the locating pins on the Antenna are correctly seated 2 Replace the adhesive strip to secure the Antenna in place 3 Run the cable down the side of the LCD Module using all available clips and adh...

Страница 100: ...na are correctly seated 6 Replace the adhesive strip to secure the Antenna in place 7 Run the cable down the side of the LCD Module using all available clips and adhesive 8 Run the cable along the cab...

Страница 101: ...Chapter 3 95 9 The Antennas and cables appear as shown when correctly installed...

Страница 102: ...place 3 Run the cable along the back of the panel and press down as indicated to secure the cable in place 4 Run the cable across the back of the panel as shown and press down as indicated to secure t...

Страница 103: ...Replace the six screws three on each side in the brackets as shown 6 Place the LCD Panel in the LCD Module top edge first and secure the LCD cable with adhesive tape IMPORTANT Ensure that the LCD powe...

Страница 104: ...Replacing the Camera Module 7 Replace the Camera cable cluster in the LCD Module 8 Secure the LCD module with the two securing screws 1 Place the camera in the LCD Module 2 Connect the cable to the c...

Страница 105: ...lacing the LCD Bezel 1 Replace the bezel and press down until there are no gaps between the bezel and the LCD Module IMPORTANT Ensure that the LCD cables pass through the hinge wells and are not trapp...

Страница 106: ...100 Chapter 3 2 Replace the four screws and screw caps provided...

Страница 107: ...ocator that must be positioned corresponding to the marker on the CPU socket 1 Place the CPU into the CPU socket as shown taking note of the Pin1 locator 2 Using a flat bladed screw driver rotate the...

Страница 108: ...1 Align the screw holes on the CPU Fan and Mainboard and replace the Fan 2 Replace the three screws to secure the Fan to the Mainboard 3 Connect the Fan power cable to the Mainboard connector 1 Remov...

Страница 109: ...lace the four securing screws in numerical order from screw 1 to screw 4 to secure the Thermal Module in place 1 Ensure that the Mainboard is face up the CPU is not visible Place the Mainboard in the...

Страница 110: ...ouchPad bracket top edge first to engage the securing clips 2 Press the bracket down to engage the securing clips 3 Replace the two screws to secure the TouchPad Bracket to the Upper Cover 4 Replace t...

Страница 111: ...Chapter 3 105 5 Replace the FFC and press down as indicated to secure it to the Upper Cover...

Страница 112: ...e left side of the module is seated correctly in the securing clip 2 Replace the single screw to secure the module in place 3 Pass the cable through the Upper Cover as shown 4 Turn the Upper Cover ove...

Страница 113: ...n Ensure that the right side of the module is seated correctly in the securing clip 2 Replace the single screw to secure the module in place 3 Run the cable along the cable channel using all available...

Страница 114: ...over 1 Slide the Power Board in to the Upper Cover front edge first to engage the securing clip 2 Press the board down to locate the securing pin 3 Replace the two screws to secure the board to the Up...

Страница 115: ...Chapter 3 109 2 Press down around the edges to secure it in place 3 Replace the nine screws in the Upper Cover as shown...

Страница 116: ...110 Chapter 3 4 Replace the three screw caps as shown 5 Connect the following cables to the Mainboard A B C D...

Страница 117: ...Chapter 3 111 6 Connect A as shown 7 Connect C as shown 8 Connect B and close the locking latch to secure the cable in place 9 Connect D and close the locking latch to secure the cable in place...

Страница 118: ...s on the LCD Module and Upper Cover and replace the LCD Module 2 The left and right screw covers are shaped differently Ensure that the correct cover is used 3 Replace the left screw cover as shown En...

Страница 119: ...r Cover 5 Replace the four screws securing the LCD Module to the Upper Cover 6 Ensure that the Hinge Covers are replaced correctly Identify the rear edge of the covers by the two securing clips 7 Alig...

Страница 120: ...aining clips 10 Replace the adhesive strip to secure the cable in place 11 Run the white Antenna cable along the cable channel as shown using all available retaining clips 12 Run the LCD cable along t...

Страница 121: ...and pass the Antenna cables through the chassis 15 The Upper Cover appears as shown when the Antenna and LCD cables are correctly installed 16 Turn the computer over Run the Antenna cables along the c...

Страница 122: ...116 Chapter 3 17 Replace the two screws securing the LCD Module to the Lower Cover...

Страница 123: ...to the Mainboard and close the locking latch to secure the cable in place 2 Turn the Keyboard over and insert it front edge first into the chassis NOTE Ensure that the six locating tabs are correctly...

Страница 124: ...the Hard Disk Drive Module 1 Place the Switch Cover left side first on to the Upper Cover 2 Press down as indicated to snap the Switch Cover into place 1 Place the HDD in the HDD carrier 2 Replace th...

Страница 125: ...Chapter 3 119 3 Insert the HDD as indicated and lower it into place 4 Slide the HDD in the direction of the arrow to connect the interface...

Страница 126: ...Antenna cables to the module NOTE The black cable connects to the upper terminal MAIN and the white cable to the lower terminal MAIN 4 After connecting the cables to the terminals secure the cables in...

Страница 127: ...he ODD bracket with the two screws 3 Push the ODD Module into the ODD bay until it is flush with the casing 4 Replace the single screw to secure the Module 1 Replace the Memory Cover as shown 2 Replac...

Страница 128: ...ing the SD Dummy Card 3 Replace the three screws to secure the covers in place 1 Insert the SD Dummy Card into the slot as shown 2 Push until the card clicks into place and is flush with the casing Me...

Страница 129: ...Replacing the Battery 1 Slide and hold the battery release latch to the release position 1 insert the battery pack and press down 2 2 Slide the battery lock in the direction shown to secure the batter...

Страница 130: ...124 Chapter 3...

Страница 131: ...by running the diagnostic test or by repeating the same operation 3 Use the following table with the verified symptom to determine which page to go to 4 If the Issue is still not resolved see Online...

Страница 132: ...extension cables between the computer and the outlet 3 Remove any surge protectors between the computer and the electrical outlet Plug the computer directly into a known good electrical outlet 4 Disc...

Страница 133: ...power see Power On Issue on page 126 3 Drain any stored power by removing the power cable and battery and holding down the power button for 10 seconds Reconnect the power and reboot the computer 4 Con...

Страница 134: ...e Resolution slider to the desired resolution e Click Apply and check the display Readjust if necessary 6 Roll back the video driver to the previous version if updated 7 Remove and reinstall the video...

Страница 135: ...e following actions one at a time to correct the problem Do not replace a non defective FRUs Built In Keyboard Failure If the built in Keyboard fails perform the following actions one at a time to cor...

Страница 136: ...perform the following actions one at a time to correct the problem Do not replace a non defective FRUs Internal Speaker Failure If the internal Speakers fail perform the following actions one at a tim...

Страница 137: ...Speaker Setup Follow the onscreen prompts to configure the speakers 8 Remove and recently installed hardware or software 9 Restore system and file settings from a known good date using System Restore...

Страница 138: ...o locate and resolve issues with the computer i When complete click Finish If an issue is discovered follow the onscreen information to resolve the problem 4 Run the Windows Memory Diagnostic Tool For...

Страница 139: ...eaks up or jumps Optical drive not found or not active Not shown in My Computer or the BIOS setup LED does not flash when the computer starts up The tray does not eject Access failure screen displays...

Страница 140: ...Movie fields select the desired player from the drop down menu 5 Check that the Regional Code is correct for the selected media IMPORTANT Region can only be changed a limited number of times After Cha...

Страница 141: ...rboard and cable connections c Try an alternate cable if available If the drive works with the new cable the original cable should be replaced 4 Reseat the drive ensuring and all cables are connected...

Страница 142: ...ls perform the following actions one at a time to correct the problem Do not replace a non defective FRUs Thermal Unit Failure If the Thermal Unit fails perform the following actions one at a time to...

Страница 143: ...is not fixed repeat the preceding steps and select an earlier time and date 9 Run the Event Viewer to check the events log for errors For more information see Windows Help and Support 10 Roll back th...

Страница 144: ...er a short circuit is suspected or whether the system is inoperative Follow these procedures to isolate the failing FRU do not isolate non defective FRU NOTE Verify that all attached devices are suppo...

Страница 145: ...2 3 BIOS ROM checksum 17h Initialize cache before memory autosize 18h 8254 timer initialization 1Ah 8237 DMA controller initialization 1Ch Reset Programmable Interrupt Controller 20h 1 3 1 1 Test DRAM...

Страница 146: ...registers 67h Initialize Multi Processor APIC 68h Enable external and CPU caches 69h Setup System Management Mode SMM area 6Ah Display external L2 cache size 6Bh Load custom defaults optional 6Ch Disp...

Страница 147: ...ine optional 9Eh Enable hardware interrupts 9Fh Determine number of ATA and SCSI drives A0h Set time of day A2h Check key lock A4h Initialize Typematic rate A8h Erase F2 prompt AAh Scan for F2 key str...

Страница 148: ...al C6h Initialize notebook docking optional C7h Initialize notebook docking late C8h Force check optional C9h Extended checksum optional D2h Unknown interrupt Code Beeps For Boot Block in Flash ROM E0...

Страница 149: ...em Description JLVDS1 LCD Connector JP14 Power B Connector JSPK1 Speaker Left Connector JSPK2 Speaker Right Connector JKB1 Internal Keyboard Connector JTP1 Touch Pad Connector U18 South Bridge SW2 Tou...

Страница 150: ...Fan Connector JUSB1 USB Connector JUSB2 USB Connector JMIC1 MIC In Jack JHP1 Head Phone Jack JSATA2 HDD Connector U39 North Bridge JCPU1 CPU Socket JREAD1 Card Reader Socket PJP2 Battery Connector JDI...

Страница 151: ...pter 5 145 Power Board ITEM DESCRIPTION U1 Lid Switch SW1 TP Lock Button SW2 ON OFF Button SW3 Wireless Button LED1 ON OFF LED LED3 Media LED LED4 Num LED LED5 Wireless LED LED6 Caps LED LED7 TP Lock...

Страница 152: ...d check users need to short the HW Gap to clear the password by the following steps 1 Power Off the system and remove HDD AC and Battery from the machine 2 Disconnect the RTC Battery cable and locate...

Страница 153: ...this prepare the Crisis USB key The Crisis USB key could be made by executing the Crisis Disk program in another system with Windows XP OS Follow the steps below 1 Copy the xxxxx wph BIOS file into t...

Страница 154: ...148 Chapter 5...

Страница 155: ...tever reasons a part number change is made it will not be noted on the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those giv...

Страница 156: ...150 Chapter 6 eMachines HM50 YK Exploded Diagrams Main Assembly...

Страница 157: ...Chapter 6 151 Base Assembly No Description Acer P N No Description Acer P N 1 7 2 8 3 9 4 10 5 11 6 12...

Страница 158: ...152 Chapter 6 Rear Assembly No Description Acer P N No Description Acer P N 1 7 2 8 3 9 4 10 5 11 6 No Description Acer P N No Description Acer P N 1 7 2 8 3 9 4 10 5 11 6...

Страница 159: ...POWER CORD INDIA 3 PIN 27 TAVV5 013 POWER CORD TWN 3 PIN 27 TAVV5 014 POWER CORD ARGENTINA 3 PIN 27 APV02 001 CPU PROCESSOR CPU Intel CeleronM T1600 1 66G 1M 667 Dual Core MV KC 16001 CMT CPU Intel C...

Страница 160: ...H 16008 022 HDD SEAGATE 2 5 5400rpm 250GB ST9250315AS Wyatt SATA LF F W 0001SDM1 KH 25001 016 HDD TOSHIBA 2 5 5400rpm 250GB MK2555GSX Libra SATA LF F W FG001J KH 25004 003 HDD HGST 2 5 5400rpm 250GB H...

Страница 161: ...12 7mm Tray DL 8X AD 7580S LF W O bezel SATA KU 0080E 017 ODD PLDS Super Multi DRIVE 12 7mm Tray DL 8X DS 8A3S LF W O bezel SATA KU 0080F 004 CASE COVER BRACKET ASSEMBLY ODD BEZEL SUPER MULTI 42 N2802...

Страница 162: ...it 8ms 600 1 LK 15606 001 CCFL LCD LPL 15 6 WXGA Glare LP156WH1 TLA1 LF 220nit 8ms 400 1 LK 15608 001 LCD CMO 15 6 WXGA Glare N156B3 L02 LF 220nit 8ms LK 1560D 001 CASE COVER BRACKET ASSEMBLY LCD COVE...

Страница 163: ...W WXGA Glare LP156WH2 TLE1 LF 220nit 8ms 400 1 LK 15608 002 LED LCD CMO 15 6 W WXGA Glare N156B6 L04 LF 220nit 8ms 500 1 LK 1560D 005 CASE COVER BRACKET ASSEMBLY LCD COVER 60 N2802 004 CABLE ANTENNA...

Страница 164: ...8HD0BN 3C LF 128 8 0 07um KN 2GB03 011 Memory MICRON SO DIMM DDRII 667 2GB MT16HTF25664HY 667G1 LF 128 8 0 065um KN 2GB04 010 Memory ELPIDA SO DIMM DDRII 667 2GB EBE21UE8ACUA 6E E LF 128 8 0 07um KN 2...

Страница 165: ...SCREW M2 48D 6 0L K 5 5D 0 8T ZKNL 86 N2802 002 SCREW M2 45D 8 0L K 5 5D 0 8T ZKNL 86 N2802 003 SCREW M1 98D 3 0L K 4 6D 0 8T ZKNL 86 N2802 004 SCREW M M 3 0D 3 0L K 4 9D NI 86 N2802 005 SCREW M M 2 5...

Страница 166: ...160 Chapter 6 Screw List...

Страница 167: ...Chapter 6 161...

Страница 168: ...eME625 201G16Mi VHB32eTCN1 UMACkk 1 1G 160 6L 5R CB_bg_0 3D_HG_SC11 AATF20 eME625 202G16Mi PA USA LX N290Y 092 eME625 202G16Mi VHB32eTUS1 UMACkk 1 2G 160 6L 5R CB_bg_0 3D_HG_EN31 AATF20 eME625 6C3G25...

Страница 169: ...3D_HG_NO11 AATK42 eME625 6C3G25Mi EMEA Austria LX N290Y 122 eME625 6C3G25Mi VHB32eTAT1 UMACkk 2G 1G 250 6L 5R CB_bg_0 3D_HG_DE11 AATK42 eME625 6C3G25Mi EMEA Eastern Europe LX N290Y 119 eME625 6C3G25M...

Страница 170: ...D_HG_EL21 AATK42 eME625 6C3G25Mi EMEA Portugal LX N290Y 111 eME625 6C3G25Mi VHB32eTPT1 UMACkk 2G 1G 250 6L 5R CB_bg_0 3D_HG_PT11 AATK42 eME625 6C3G25Mi EMEA Italy LX N290Y 107 eME625 6C3G25Mi VHB32eTI...

Страница 171: ...HG_PL11 AATK42 eME625 6C2G25Mi AAP Australi a New Zealand LX N290Y 094 eME625 6C2G25Mi VHB32eTAU1 UMACkk 1 2G 250 6L 5R CB_bg_0 3D_HG_EN12 AATK42 eME625 201G16Mi AAP Australi a New Zealand LX N290Y 09...

Страница 172: ...0 3D_HG_ES21 AATK42 eME625 6C2G25Mi PA ACLA Spanish LX N290C 00 1 eME625 6C2G25Mi LINPUSeEA1 UMACkk 2 1G 250 6L 5R CB_bg_0 3D_HG_EN61 AATK42 eME625 6C2G25Mi PA ACLA Spanish LX N290C 00 2 eME625 6C2G25...

Страница 173: ...1G 160 6L 5R CB_bg_0 3D_HG_EN11 AATF20 eME625 203G16Mi EMEA Belgium LX N290Y 077 eME625 203G16Mi VHB32eTBE1 UMACkk 2G 1G 160 6L 5R CB_bg_0 3D_HG_NL11 AATF20 eME625 203G16Mi EMEA German y LX N290Y 076...

Страница 174: ...g_0 3D_HG_ENR2 AATF20 eME625 203G16Mi EMEA Eastern Europe LX N290Y 065 eME625 203G16Mi VHB32eTEU7 UMACkk 2G 1G 160 6L 5R CB_bg_0 3D_HG_SL11 AATF20 eME625 203G16Mi EMEA Eastern Europe LX N290Y 063 eME6...

Страница 175: ...290Y 057 eME625 203G16Mi VHB32eTIT1 UMACkk 2G 1G 160 6L 5R CB_bg_0 3D_HG_IT11 AATF20 eME625 203G16Mi EMEA Turkey LX N290Y 048 eME625 203G16Mi EM VHB32eTTR1 UMACkk 2G 1G 160 6L 5R CB_bg_0 3D_HG_TR42 AA...

Страница 176: ...USA LX N360Y 003 eME625 203G25Mi VHB32eTUS1 UMAkk 2G 1G 250 6L 5R CB_bg_HG_EN31 AATF20 eME625 202G25Mi PA USA LX N360Y 001 eME625 202G25Mi VHB32eTUS1 UMAkk 1 2G 250 6L 5R CB_bg_HG_EN31 AATF20 eME625 2...

Страница 177: ...625 6C3G25Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6 eME625 6C3G25Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6 eME625 6C3G25Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6 eME625 6C3G25Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6...

Страница 178: ...UMA N SO1GBII6 SO1GBII6 eME625 6C2G25Mi N15 6WXGAG UMA N SO1GBII6 SO1GBII6 eME625 6C2G25Mi N15 6WXGAG UMA N SO1GBII6 SO1GBII6 eME625 6C2G25Mi N15 6WXGAG UMA N SO1GBII6 SO1GBII6 eME625 201G16Mi N15 6WX...

Страница 179: ...UMA N SO2GBII6 SO1GBII6 eME625 203G16Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6 eME625 203G16Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6 eME625 203G16Mi N15 6WXGAG UMA N SO2GBII6 SO1GBII6 eME625 203G16Mi N15 6WX...

Страница 180: ...d WiFi BG N eME625 6C3G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 6C3G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 6C3G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd...

Страница 181: ...iFi BG N eME625 6C3G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 6C3G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 6C3G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiF...

Страница 182: ...N eME625 6C2G25Mi N250GB5 4 KS NSM8XS N 3rd WiFi BG 3rd WiFi BG N eME625 6C2G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 201G16Mi N160GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N e...

Страница 183: ...iFi BG N eME625 203G16Mi N160GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 203G16Mi N160GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 203G16Mi N160GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiF...

Страница 184: ...N eME625 202G25Mi N250GB5 4 KS NSM8XS NIS 3rd WiFi BG 3rd WiFi BG N eME625 6C3G16Mi N160GB5 4 KS NSM8XS Norton 360 3rd WiFi BG 3rd WiFi BG N eME625 6C2G32Mi N320GB5 4 KS NSM8XS Norton 360 3rd WiFi BG...

Страница 185: ...B5 4 KS NSM8XS N 3rd WiFi BG 3rd WiFi BG N eME625 6C2G25Mi N250GB5 4 KS NSM8XS N 3rd WiFi BG 3rd WiFi BG N eME625 6C2G25Mi N250GB5 4 KS NSM8XS N 3rd WiFi BG 3rd WiFi BG N Model HDD 1 GB ODD Extra SW1...

Страница 186: ...Appendix A 180...

Страница 187: ...tions are tested under Windows XP Home Windows XP Pro environment Refer to the following lists for components adapter cards and peripherals which have passed these tests Regarding configuration combin...

Страница 188: ...S3 SIMPLO 6CELL2 2 Battery SIMPLO AS 2009A Li Ion 3S2P SAMSUNG 6 cell 4400mAh Main COMMON SDI 2 2Ah F CPU AMD AATF20 CPU AMD Athlon TF20 PGA 1 6G 512K 638 15W G2 AMD AATF36 CPU AMD Athlon TF36 PGA 2...

Страница 189: ...NANYA SO1GBII6 Memory NANYA SO DIMM DDRII 667 1GB NT1GT64UH8D0FN 3C LF 64 16 0 07um MICRON SO1GBII6 Memory MICRON SO DIMM DDRII 667 1GB MT8HTF12864HDY 667G1 LF 64 16 0 065um SAMSUNG SO1GBII6 Memory S...

Страница 190: ...Build in 5 in 1 Build in MS MS Pro SD SC XD Software NIS Antivirus application NIS Wireless LAN Foxconn 3rd WiFi BG Foxconn FOX_ATH_XB63 Foxconn Atheros XB63 minicard b g Foxconn 3rd WiFi BG Foxconn...

Страница 191: ...CTO ML160 SATA LF F W 11 01A11 SEAGATE N250GB5 4KS HDD SEAGATE 2 5 5400rpm 250GB ST9250315AS Wyatt SATA LF F W 0001SDM1 TOSHIBA N250GB5 4KS HDD TOSHIBA 2 5 5400rpm 250GB MK2555GSX Libra SATA LF F W FG...

Страница 192: ...ICRON SO DIMM DDRII 667 2GB MT16HTF25664HY 667G1 LF 128 8 0 065um SAMSUNG SO2GBII6 Memory SAMSUNG SO DIMM DDRII 667 2GB M470T5663EH3 CE6 LF 128 8 0 055um HYNIX SO2GBII6 Memory HYNIX SO DIMM DDRII 667...

Страница 193: ...0 3M DV Suyin 0 3M DV Camellia_2G Chicony 0 3M DV Chicony 0 3M DV Calla_2G Card Reader 5 in 1 Build in 5 in 1 Build in MS MS Pro SD SC XD Software NIS Antivirus application NIS Wireless LAN Foxconn 3r...

Страница 194: ...188 Appendix B...

Страница 195: ...ormation on all of Acer s Notebook Desktop and Server models including Service guides for all models User s manuals Training materials Bios updates Software utilities Spare parts lists TABs Technical...

Страница 196: ...190 Appendix C...

Страница 197: ...k on indicator 6 10 Common Problems 126 computer on indicator 6 10 CPU Removing 82 Replacing 101 CPU Fan Removing 80 Replacing 102 D DIMM Modules Removing 53 Replacing 120 Display 4 display hotkeys 14...

Страница 198: ...ard Removing 76 Replacing 103 media access on indicator 6 10 Memory Removing 53 Replacing 120 Memory Check 126 Model Definition 162 N No Display Issue 127 Notebook Manager hotkey 14 num lock on indica...

Страница 199: ...Troubleshooting Built in KB Failure 129 EasyTouch Buttons 136 HDTV Switch 137 Internal Speakers 130 LCD Failure 129 No Display 127 ODD 133 Other Failures 137 Power On 126 Thermal Unit 136 TouchPad 130...

Страница 200: ...194...

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