Acer Aspire 5940G Service Guide
Acer Aspire 5940G Manual
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- Acer Aspire 5940G | Service Guide - Page 1
Aspire 5940G 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 - Acer Aspire 5940G | Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire 5940G Series service guide. Date Chapter Updates II - Acer Aspire 5940G | Service Guide - Page 3
specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer - Acer Aspire 5940G | Service Guide - Page 4
additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. IV - Acer Aspire 5940G | Service Guide - Page 5
supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases - Acer Aspire 5940G | Service Guide - Page 6
VI - Acer Aspire 5940G | Service Guide - Page 7
Remove HDD/BIOS Password Utilities 39 Machine Disassembly and Replacement 45 Disassembly Requirements 45 General Information 46 Pre-disassembly Instructions 46 Disassembly Process 46 External Module Disassembly Process 47 External Modules Disassembly Flowchart 47 Removing the Battery Pack - Acer Aspire 5940G | Service Guide - Page 8
Replacing the ODD Module 132 Replacing the Lower Covers 133 Replacing the SD Dummy Card 133 Replacing the PCI Express Dummy Card 134 Replacing the Battery 134 Troubleshooting 135 Common Problems 135 Power On Issue 136 VIII - Acer Aspire 5940G | Service Guide - Page 9
Password Check 168 BIOS Recovery by Crisis Disk 169 FRU (Field Replaceable Unit) List 171 Aspire 5940G Series Exploded Diagrams 172 Main Assembly 172 Base Assembly 173 Aspire 5940G Series FRU List 174 Screw List 180 Model Definition and Configuration 182 Aspire 5940G Series 182 Test - Acer Aspire 5940G | Service Guide - Page 10
Table of Contents X - Acer Aspire 5940G | Service Guide - Page 11
many features: Operating System • Genuine Windows® 7™ Platform • Intel® Mobile Calpella processor technology, featuring: • Intel® Ibex Peak-M (PM55) • Broadcom BCM57780A1KMLG for Giga LAN System Memory • Dual-Channel SDRAM support • Up to 2 GB of DDR3 1066 MHz memory, upgradeable to 4 GB per slot - Acer Aspire 5940G | Service Guide - Page 12
keys and controls • 86-/87-/91-key keyboard • Touchpad pointing device I/O interface • Acer Bio-Protection fingerprint reader* • ExpressCard®/54 slot • 5-in-1 card reader (MS,MS Pro, SD, MMC, XD) • USB 2.0 port • HDMI™ port with HDCP support • External display (VGA) port • Consumer infrared (CIR - Acer Aspire 5940G | Service Guide - Page 13
• Headphones/speaker/line-out jack with S/PDIF support • Microphone-in jack • Line-in jack • Ethernet : 20% to 80% NOTE: Items marked with * denote only selected models. NOTE: The specifications listed above are for reference only. The exact configuration of your PC depends on the model purchased - Acer Aspire 5940G | Service Guide - Page 14
PCI-E 2.0x16 5GT/s PER LANE Intel 133MHz Auburndale / Clarksfield (UMA/DIS) (DIS) Memory BUS(DDRIII) Dual Channel 204pin DDRIII-SO-DIMM X2 BANK 0, 1, 2, 3 page 42 Touch Pad page 39 EC I/O Buffer page 39 Int.KBD page 39 BIOS ROM page 39 PCH XDP page 21 CPU XDP 133MHz page 5 Power Circuit - Acer Aspire 5940G | Service Guide - Page 15
may vary by models). Turns the computer on and off. Keyboard Backup key Bluetooth communication button/indicator Wireless LAN communication button/indicator TouchPad For entering data into your computer. Launches Acer Backup Management for three-step data backup. Enables/disables - Acer Aspire 5940G | Service Guide - Page 16
the battery is charging. 2. Fully charged: The light shows green when in AC mode. 8 Click buttons The left and right buttons function like the left and (left, center* and right mouse buttons. right) *The center button serves as Acer Bio-Protection fingerprint reader supporting Acer FingerNav - Acer Aspire 5940G | Service Guide - Page 17
. Connects to a display device (e.g. external monitor, LCD projector). Supports high definition digital video connections (only for certain models). Connects to external microphones. Headphones/ speaker/line-out jack with S/PDIF support ExpressCard/54 slot Connects to audio line-out devices (e.g., - Acer Aspire 5940G | Service Guide - Page 18
View No. 1 2 3 4 5 6 7 8 Icon 1394 Item Description 6-in-1 Card Reader Accepts Secure Digital (SD), MultiMediaCard (MMC), MultiMediaCard Plus (MMCPlus), Memory Stick (MS), Memory Stick PRO (MS PRO), xD-Picture Card (xD). Note: Push to remove/install the card. Only one card can operate at any - Acer Aspire 5940G | Service Guide - Page 19
lock Ventilation slots and cooling fan Description Houses the computer's battery pack. Releases the battery for removal. Houses the computer's hard disk (secured with screws). Houses the computer's main memory. Locks the battery in position. Enable the computer to stay cool, even after prolonged - Acer Aspire 5940G | Service Guide - Page 20
to the left and right buttons on a mouse. Tapping on the touchpad is the same as clicking the left button. • Use Acer Bio-Protection fingerprint reader (3) supporting Acer FingerNav 4-way control function (only for certain models) or the 4-way scroll (3) button (only for certain models) to scroll up - Acer Aspire 5940G | Service Guide - Page 21
has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, function and special keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Lock key Caps Lock Num Lock + Scroll Lock + Description - Acer Aspire 5940G | Service Guide - Page 22
Keys The keyboard has two keys that perform Windows-specific functions. Key Description Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; it launches the Start menu. It can also be used with other keys to provide a variety of functions: < >: Open - Acer Aspire 5940G | Service Guide - Page 23
most of the computer's controls like screen brightness, volume output and the BIOS utility. To activate hot keys, press and hold the key before off. + + < > Keyboard backlight toggle Brightness up Turns the keyboard backlight on or off. Increases the screen brightness. - Acer Aspire 5940G | Service Guide - Page 24
1. Open a text editor or word processor. 2. Hold and then press the 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 information. The US dollar sign 1. Open - Acer Aspire 5940G | Service Guide - Page 25
Start, Control Panel, Display and click on Settings. Select the secondary monitor (2) icon in the display box and then click the check box Extend my windows desktop onto this monitor. Finally, click Apply to confirm the new settings and click OK to complete the process - Acer Aspire 5940G | Service Guide - Page 26
Specifications Processor Ci7720QM Ci7820QM CPU Speed 1.6 GHz 1.73 GHz Cores Bus Speed 1333 1333 Mfg. Tech. Cache Size 6 MB 8 MB Power 45 W 45 W Acer P/N KC.72001.QMP KC.82001.QMP CPU Fan True Value Table CPU Temperature 50 60 70 80 85 Fan Speed (rpm) 2800 3100 3400 3800 4200 SPL Spec - Acer Aspire 5940G | Service Guide - Page 27
Features Specification • Support ISIPP • Support Acer UI • Support multi-boot • Suspend to RAM (S3)/Disk (S4) • Various hot-keys for system control • Support SMBIOS 2.3, PCI2.3 • ACPI 2.0 compliance with Intel Speed Step Support C1, C2, C3, C4 and S3, S4 for mobile CPU • DMI utility for BIOS serial - Acer Aspire 5940G | Service Guide - Page 28
LAN Interface Item LAN Chipset Supports LAN protocol LAN connector type LAN connector location Specification Broadcom BCM57780A1KMLG for Giga LAN 10/100/1000 Mbps RJ45 Left side Wireless Module 802.11b/g Item Specification Chipset Data throughput Protocols Interface Intel WLAN Shirley Peak - Acer Aspire 5940G | Service Guide - Page 29
2, 1, 1 5400 5400 8 MB SATA 395~952 typ. 300 5V ±5% 5V ±5% Blueray Combo Module Item Vendor & model name Performance Specification Transfer rate (MB/ sec) Buffer Memory Interface Specification PLDS DS-4E1S LF, Pioneer BDC-TD01RS LF, HLDS CT10 LF With CD Diskette With DVD Diskette Sustained - Acer Aspire 5940G | Service Guide - Page 30
Item Applicable disc formats Loading mechanism Power Requirement Input Voltage Specification CD-DA, CD-TEXT, CD ROM Mode-1, CD-ROM/XA Mode-2 Form-1 and Form-2, CD-I and ver2.0, UDF2.5 BD-RE ver2.0 and ver3.0, UDF2.5 BD-hybrid (only BD part) Manual load/ Plunger system DC 5 V +/- 5% 20 Chapter 1 - Acer Aspire 5940G | Service Guide - Page 31
Performance Specification Transfer rate Buffer Memory Interface Applicable disc formats Specification manual load / Electrical release Power Requirement Input Voltage DC 5 V +/- 5% Audio Interface Item Specification Subwoofer System Board Major Chips Item Core logic LAN WLAN Controller • - Acer Aspire 5940G | Service Guide - Page 32
of keypads Windows logo key Internal & external keyboard work simultaneously Controller • Realtek ALC669-X for High Definition Audio Codec with Dolby Digital Live • ENE KB926 for Keyboard Controller, Battery management Unit • JMB380 card reader Specification KB926 86-/87-/91-key keyboard Yes Yes - Acer Aspire 5940G | Service Guide - Page 33
problems, you may need to run Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS BIOS SETUP Utility. Navigating the BIOS Utility There are six menu options: Information, Main, Advanced, Security, Boot, and Exit. Follow these instructions Item Specific Help - Acer Aspire 5940G | Service Guide - Page 34
: HDD Serial Number: ATAPI Model Name: System BIOS Version: VGA BIOS Version: Serial Number: Asset Tag Number: Product Name: Manufacturer Name: UUID: Intel(R) Mobile Calpella ST9250320AS 5SW1P2VA HL-DT-ST DVDRAM GT20N V0.06 Intel V1706 Aspire 5940G Acer 03630D6D-5C62-4E4B-B59D-001EECE076C6 F1 Help - Acer Aspire 5940G | Service Guide - Page 35
Boot Exit Rev. 3.5 System Time: System Date: Total Memory: Video Memory: Quick Boot Network Boot F12 Boot Menu D2D Recovery SATA Mode Display Mode [19:10:59] [01/09/2009] 4095 MB 512 MB [Enabled] [Enabled] [Disabled] [Enabled] [AHCI] [iGPU] Item Specific Help This is the help for the hour field - Acer Aspire 5940G | Service Guide - Page 36
or prevents the system from booting, open BIOS and choose Load Optimal Defaults in the Exit XPCI Express Root Port 6 XASF Configuration Item Specific Help Configures Boot Settings. F1 Help ESC Exit Controller • HDC Configure as • AHCI Option ROM Support • SATA Port 0, 1, 4, 5 HotPlug • Channel 1 - Acer Aspire 5940G | Service Guide - Page 37
IGD-Device2, Function1 • IGD-Pre-allocat Memory • IGD-DVMT Size • Clock Chip Initialize Latency Value • FACP-RTC S4 Wakeup • APIC-IO APIC Mode • HPET-HPET Support • Base Address select • N/A • PCI Express Root Port 1 • VC1 BIOS Boot Timeout • OS Boot Timeout • Power-on wait time Chapter 2 27 - Acer Aspire 5940G | Service Guide - Page 38
Password Is: User Password Is: HDD Password Is: Set Supervisor Password Set User Password Set HDD Password Power on password Clear Clear Clear [Disabled] Item Specific Help Install or Change the password and the length of password password. When user password is set, this password protects the BIOS - Acer Aspire 5940G | Service Guide - Page 39
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. Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set - Acer Aspire 5940G | Service Guide - Page 40
on boot parameter. 6. When 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. Setup Notice Changes have been saved. [Continue] The password setting is complete after the user presses Enter. If the current - Acer Aspire 5940G | Service Guide - Page 41
prevents the system from booting, open BIOS and choose Load Optimal Defaults in Enabled] [Enabled] [Disabled] [Disabled] Item Specific Help These items control various CPU parameters. F1 mode • Thermal Mode • CMP Support • Use XD capability • VT Support • SMRR Support • C-States • Enhanced C-States - Acer Aspire 5940G | Service Guide - Page 42
Parameter Break Event ACPI S3 Wake on PME Wake on Modem Ring Quickly S4 Resume Auto wake on S5 Description Enter the Break Event menu Enable or Disable ACPI S1/S3 Sleep State. Disable or Enable wake up when the system power is off and a PCI Power Management Enable wake up event occurs. Disable or - Acer Aspire 5940G | Service Guide - Page 43
and the DVD drive in the module bay. InsydeH20 Setup Utility Information Main Advanced Security Power Boot Exit Rev. 3.5 Boot priority order: Item Specific Help 1. IDE0 : ST9250320AS 2. IDE1 : HL-DT-ST DVDRAM GT20N 3. USB FDD : 4. Network Boot : MBA v11.0.3 Slot 0500 5. USB HDD : 6. USB CDROM - Acer Aspire 5940G | Service Guide - Page 44
or discard any changes you made and quit the BIOS Utility. InsydeH20 Setup Utility Information Main Advanced Security Power Boot Exit Rev. 3.5 Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific Help Exit System Setup and save your changes - Acer Aspire 5940G | Service Guide - Page 45
becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use - Acer Aspire 5940G | Service Guide - Page 46
BIOS, move USB HDD to position 1. InsydeH20 Setup Utility Information Main Advanced Security Power Boot Exit Boot priority order: Rev. 3.5 Item Specific Help 1. IDE0 : and Exit 3. Execute the FLASH.BAT batch file to update BIOS. 4. In flash BIOS, the message Please do not remove AC Power Source - Acer Aspire 5940G | Service Guide - Page 47
Chapter 2 37 - Acer Aspire 5940G | Service Guide - Page 48
WinFlash Utility Perform the following steps to use the WinFlash Utility: 1. Double-click the WinFlash executable. 2. Click OK to begin the update. A progress screen displays. 38 Chapter 2 - Acer Aspire 5940G | Service Guide - Page 49
provide you with removing HDD/BIOS password method: Remove HDD Password: If you key in the wrong HDD password three times, an error is generated. To reset the HDD password, perform the following steps: 1. After the error is displayed, select the Enter Unlock Password option on the screen. 2. An - Acer Aspire 5940G | Service Guide - Page 50
instrument to short the RTC_RST jumper as shown below. Cleaning BIOS Passwords To clean the User or Supervisor passwords, perform the following steps: 1. From a DOS prompt, execute clnpwd.exe 2. Press 1 or 2 to clean the desired password shown on the screen. The onscreen message determines whether - Acer Aspire 5940G | Service Guide - Page 51
Using Boot Sequence Selector The Boot Sequence Selector 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 the desired boot sequence - Acer Aspire 5940G | Service Guide - Page 52
When the BIOS displays Verifying DMI pool data it is checking the table correlates with the hardware before sending to the operating system (Windows, etc.). To update the DMI Pool Read DMI Information from Memory Input: dmitools /r Output: Manufacturer (Type1, Offset04h): Acer Product Name (Type1, - Acer Aspire 5940G | Service Guide - Page 53
Using the ICW50/ICY70 LAN MAC Utility You can use the MAC.BAT utility to write the MAC.CFG file to 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: WriteData = '001122334455' StartAddr=7A WriteLeng=6 KeepByte - Acer Aspire 5940G | Service Guide - Page 54
44 Chapter 2 - Acer Aspire 5940G | Service Guide - Page 55
procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you however, a plastic screwdriver is advised when disassembling parts near or around the motherboard and to prevent scratching of the computer surface - Acer Aspire 5940G | Service Guide - Page 56
Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Place the system on a flat, stable surface. 4. Remove the battery - Acer Aspire 5940G | Service Guide - Page 57
gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Turn - Acer Aspire 5940G | Service Guide - Page 58
Removing the Battery Pack 1. Turn the computer over. 2. Slide the battery lock to the unlocked position. 3. Slide and hold the battery release latch to the release position (1), then lift out the battery pack from the main unit (2). 2 1 48 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 59
Removing the Express Dummy Card 1. Push the Express dummy card all the way in to eject it. 2. Pull the card out from the slot. Chapter 3 49 - Acer Aspire 5940G | Service Guide - Page 60
Removing the SD Dummy Card 1. Push the SD dummy card all the way in to eject it. 2. Pull the card out from the slot. 50 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 61
Removing the Lower Covers 1. See "Removing the Battery Pack" on page 48. 2. Loosen the four captive screws in the Memory/HDD and WLAN covers. WLAN Cover 3. Carefully open the Memory/HDD cover. Memory/ HDD Cover 4. Carefully open the WLAN cover. Chapter 3 51 - Acer Aspire 5940G | Service Guide - Page 62
Removing the Optical Drive Module 1. See "Removing the Lower Covers" on page 51. 2. Remove the single screw securing the ODD module. Step ODD Module Size M2.5*5 Quantity 1 Screw Type 3. Insert a suitable object in to the Lower Cover to push the ODD Module clear of the casing. 4. Pull the ODD - Acer Aspire 5940G | Service Guide - Page 63
5. Remove the two screws securing the ODD Bracket and remove the ODD bracket from the module. Step ODD Bracket Size M2*3 Quantity 2 6. Insert a pin in the eject hole of the ODD to eject the ODD tray. Screw Type 7. Press down on the locking catch to release the ODD cover and remove. Chapter 3 - Acer Aspire 5940G | Service Guide - Page 64
Removing the Hard Disk Drive Module 1. See "Removing the Lower Covers" on page 51. 2. Use the pull-tab to lift the HDD and disconnect the interface. 3. Lift the hard disk drive module out of the bay. NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it. - Acer Aspire 5940G | Service Guide - Page 65
5. Remove the four screws (two each side) securing the hard disk to the carrier. Step HDD Carrier Size M3*3 6. Remove the HDD from the carrier. Quantity 4 Screw Type Chapter 3 55 - Acer Aspire 5940G | Service Guide - Page 66
Removing the DIMM Modules 1. See "Removing the Lower Covers" on page 51. 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 second DIMM module if present. 56 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 67
Removing the WLAN Module IMPORTANT: If the model purchased supports TV Tuner functionality, remove the TV Tuner Module before removing the WLAN Module. 1. See "Removing the Lower Covers" on page 51. 2. Remove the two screws - Acer Aspire 5940G | Service Guide - Page 68
4. Disconnect the antenna cables from the WLAN Module. IMPORTANT: The black cable attaches to the MAIN terminal and the white cable attaches to the AUX terminal. 5. Detach the WLAN Module from the WLAN socket. NOTE: When reattaching the antennas, ensure the cables are tucked into the chassis to - Acer Aspire 5940G | Service Guide - Page 69
Main Unit Disassembly Process Upper Cover Disassembly Flowchart Remove External Modules before proceeding Remove Keyboard Remove Upper Cover Lower Cover (see page 54) Upper Cover Remove Media Board Remove Launch Board Remove Speaker Module Remove Volume Control Board Remove MIC - Acer Aspire 5940G | Service Guide - Page 70
Lower Cover Disassembly Flowchart Remove External Modules before proceeding Remove Keyboard Remove Upper Cover Remove LCD Module Remove Bluetooth Module Remove Card Reader Board Remove Saddle Remove Subwoofer Remove USB Board Remove Hinge Wells Remove Mainboard Remove RTC Battery Remove - Acer Aspire 5940G | Service Guide - Page 71
Removing the Keyboard 1. Locate the five securing clips on the top edge of the Keyboard. 2. Starting with the central clip, release all five securing clips by pressing down with a suitable plastic tool. 3. Pry up the centre of the Keyboard as shown. Chapter 3 61 - Acer Aspire 5940G | Service Guide - Page 72
4. Rotate the Keyboard upward away from the Upper Cover and place it face down on the TouchPad area. 5. Open the Keyboard backlight FFC connector and disconnect the FFC. 6. Open the Keyboard FFC connector and disconnect the FFC. 7. Remove the Keyboard from the Upper Cover. 62 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 73
Removing the Upper Cover 1. See "Removing the Keyboard" on page 61. 2. Turn the computer over. Remove the twenty-three screws on the bottom panel. Step Upper Cover (red callout) Upper Cover (blue callout) - Acer Aspire 5940G | Service Guide - Page 74
Cover to the Upper Cover, and remove the Keyboard Cover. Step Keyboard Cover Size M2.5*5 Quantity 1 Screw Type 5. Disconnect the following FFCs (A, B, D, and E) and cables (C, F, and G) from the Mainboard. G F B E A C D NOTE: Avoid pulling on cables directly to prevent - Acer Aspire 5940G | Service Guide - Page 75
6. Starting on the front left side of the casing and working along toward the right, pry the upper and lower covers apart as shown. 7. Work along the casing on the right and left sides toward the back edge, prying apart the casing. 8. Remove the Upper Cover as shown. Chapter 3 65 - Acer Aspire 5940G | Service Guide - Page 76
Removing the Media Board 1. See "Removing the Upper Cover" on page 63. 2. Turn the Upper Cover over and lift the Media Board FFC to disconnect the adhesive. 3. Turn the Upper Cover over. Lift the Media Board cover, left side first, and remove the cover from the Upper Cover. 4. Press down the - Acer Aspire 5940G | Service Guide - Page 77
5. Lift the Media Board away from the Upper Cover (1) and feed the FFC through the Upper Cover (2) to remove the Media Board. 1 2 Chapter 3 67 - Acer Aspire 5940G | Service Guide - Page 78
Removing the Launch Board 1. See "Removing the Upper Cover" on page 63. 2. Turn the Upper Cover over and lift the Launch Board FFC to disconnect the adhesive. 3. Turn the Upper Cover over. Lift the Launch Board cover, left side first, and remove the cover from the Upper Cover. 4. Press down the - Acer Aspire 5940G | Service Guide - Page 79
5. Lift the Launch Board away from the Upper Cover. 6. Feed the FFC through the Upper Cover to remove the Launch Board Chapter 3 69 - Acer Aspire 5940G | Service Guide - Page 80
Removing the Speaker Module 1. See "Removing the Upper Cover" on page 63. 2. Lift the mylar covering to expose the Speaker cable as shown. 3. Remove the Speaker cable from the cable channel as shown. 4. Remove the four securing screws from the Speaker module. Step Speaker Module Size M2.5*3 - Acer Aspire 5940G | Service Guide - Page 81
5. Using both hands, lift the Speaker Module upward to remove it from the Upper Cover. Chapter 3 71 - Acer Aspire 5940G | Service Guide - Page 82
Removing the Power Saving Board 1. See "Removing the Speaker Module" on page 70. 2. Remove the Power Saving Board cable from the cable channel as shown. 3. Remove the two securing screws from the board. Step Power Saving Board Size M2.5*3 4. Remove the board from the chassis. Quantity 2 Screw - Acer Aspire 5940G | Service Guide - Page 83
5. Disconnect the cable from the Power Saving Board as shown. Chapter 3 73 - Acer Aspire 5940G | Service Guide - Page 84
Removing the Volume Control Board 1. See "Removing the Upper Cover" on page 63. 2. Lift the Volume Control Board FFC away from the Upper Cover to detach the adhesive. 3. Remove the two screws securing the board to the Upper Cover. Step Volume Control Board Size M2.5*3 4. Lift the board clear of - Acer Aspire 5940G | Service Guide - Page 85
Removing the MIC Board 1. See "Removing the Upper Cover" on page 63. 2. Remove the adhesive tape securing the MIC cable to the Upper Cover. 3. Remove the MIC cable from the cable channel as shown. Ensure that the cable is free from all cable clips. 4. Lift the MIC Board clear of the Upper Cover as - Acer Aspire 5940G | Service Guide - Page 86
Removing the Button Board and Finger Print Reader 1. See "Removing the Upper Cover" on page 63. 2. Lift the Button Board FFC to detach the adhesive holding it in place. 3. Remove the two screws securing the Button Board and Finger Print Reader to the Upper Cover. Step Button Board Size M2.5*5 - Acer Aspire 5940G | Service Guide - Page 87
5. Open the FFC locking latch and disconnect the Finger Print Reader FFC from the Button Board. 6. Remove Button Board from the bracket. 7. Turn the bracket over and remove the two screws securing the Finger Print Reader to the bracket. Step Finger Print Reader Size M2*3 Quantity 2 Screw Type - Acer Aspire 5940G | Service Guide - Page 88
8. Remove the Finger Print Reader from the bracket as shown. 78 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 89
Removing the TouchPad Bracket IMPORTANT: The TouchPad cannot removed from the Upper Cover. Replace the entire Upper Cover if the TouchPad malfunctions. 1. See "Removing the Button Board and Finger Print Reader" on page 76. 2. Lift the TouchPad FFC to detach the adhesive securing it in place. 3. Open - Acer Aspire 5940G | Service Guide - Page 90
5. Remove the two screws securing the TouchPad Bracket in place. Step TouchPad Bracket Size M2.5*3 Quantity 2 Screw Type 6. Lift the TouchPad Bracket, front edge first, and remove it from the Upper Cover. 80 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 91
Removing the LCD Module IMPORTANT: The LCD Module cannot be disassembled outside of factory conditions. If any part of the LCD Module is faulty, such as the camera, antenna or LCD panel, the whole module must - Acer Aspire 5940G | Service Guide - Page 92
5. Remove the USB Board cable from the cable clips as shown. 6. Remove the adhesive tapes securing the USB Board and Backlight cables in place. 7. Disconnect the Backlight and USB Board cables from the Mainboard. 82 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 93
8. Lift the USB Board cable to detach the adhesive securing it in place. 9. Remove the USB Board and Backlight cables from the cable channel. Ensure that the cables are free from all cable clips. 10. Remove the Antenna and Backlight cables from the cable clip as shown. Chapter 3 83 - Acer Aspire 5940G | Service Guide - Page 94
11. Pass the Antenna and Backlight cables through the space between the Battery Bay and Hinge well as shown. 12. Remove the cables from the final cable clip as shown. 13. Disconnect the Conductive cable from the Mainboard. 84 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 95
14. Disconnect the LVDS cable from the Mainboard. 15. Remove the Conductive and LVDS cables from the cable channel. Ensure that the cables are free from all cable clips. 16. Remove the four screws (two each side) securing the LCD Module to the Lower Cover. Step LCD Module Size M2.5*5 Quantity 4 - Acer Aspire 5940G | Service Guide - Page 96
17. Using both hands, lift the LCD Module clear of the Lower Cover. IMPORTANT: The LCD Module cannot be disassembled outside of factory conditions. If any part of the LCD Module is faulty, such as the camera, antenna or LCD panel, the whole module must be replaced. 86 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 97
Removing the Saddles 1. See "Removing the Upper Cover" on page 63. 2. Lift the left side Saddle clear of the Lower Cover as shown. 3. Remove the two screw securing the right side Saddle to the Lower Cover. Step Right Saddle Size M2.5*5 Quantity 2 Screw Type Chapter 3 87 - Acer Aspire 5940G | Service Guide - Page 98
4. Lift the right side Saddle clear of the Lower Cover as shown. 88 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 99
Removing the USB Board 1. See "Removing the Saddles" on page 87. 2. Remove the single screw securing the USB Board to the Lower Cover. Step USB Board Size M2.5*3 Quantity 1 3. Remove the USB Board from the Lower Cover as shown. Screw Type Chapter 3 89 - Acer Aspire 5940G | Service Guide - Page 100
Removing the Subwoofer 1. See "Removing the LCD Module" on page 81. 2. Disconnect the Subwoofer cable from the Mainboard. 3. Remove the cable from the channel. Ensure that the cable is free from all cable clips. 4. Using both hands, lift the Subwoofer clear of the Lower Cover. 90 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 101
Removing the Bluetooth Module 1. See "Removing the Upper Cover" on page 63. 2. Disconnect the Bluetooth cable from the Mainboard. 3. Remove the cable from the cable channel as shown. 4. Lift the module clear of the chassis. Chapter 3 91 - Acer Aspire 5940G | Service Guide - Page 102
5. Disconnect the cable from the Bluetooth Module. 92 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 103
Removing the Card Reader Board 1. See "Removing the Saddles" on page 87. 2. Remove the four screws securing the Card Reader Board to the Lower Cover. Step Card Reader Board Size M2.5*3 Quantity 4 Screw Type 3. Lift the left side of the board to disconnect the reader interface from the Mainboard - Acer Aspire 5940G | Service Guide - Page 104
Removing the Hinge Wells 1. See "Removing the Subwoofer" on page 90. 2. Remove the two screws (one each side) securing the Hinge Wells to the Lower Cover. Step Hinge Wells Size M2.5*3 Quantity 2 3. Lift the Hinge Wells clear of the Lower Cover. Screw Type 94 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 105
Removing the Mainboard 1. See "Removing the Hinge Wells" on page 94. 2. Remove the single screw securing the Mainboard to the Lower Cover. Step Mainboard Size M2.5*3 Quantity 1 Screw Type 3. Pivot the Mainboard upward and remove it from the chassis, right side first. Place the Mainboard on a - Acer Aspire 5940G | Service Guide - Page 106
Removing the RTC Battery IMPORTANT: Follow local regulations for disposal of all batteries. 1. See "Removing the Mainboard" on page 95. 2. The RTC Battery is soldered to the Mainboard. To replace the battery, solder the new battery to the connections shown. 96 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 107
Removing the VGA/MXM Card NOTE: The following procedure outlines the removal steps for models supporting VGA Cards. The procedure for MXM Cards requires the removal of two screws, though the remaining steps are identical. 1. See "Removing the Mainboard" on page - Acer Aspire 5940G | Service Guide - Page 108
Removing the Thermal Module 1. See "Removing the Mainboard" on page 95. 2. Disconnect the fan cable from the Mainboard. 3. Remove the single screw securing the Fan to the Mainboard (green callout). 4. Remove the four securing screws (in reverse numerical order from screw 4 to screw 1) from the - Acer Aspire 5940G | Service Guide - Page 109
5. Using both hands, lift the Thermal Module clear of the Mainboard. Chapter 3 99 - Acer Aspire 5940G | Service Guide - Page 110
Removing the CPU 1. See "Removing the Thermal Module" on page 98. 2. Turn the securing screw 180° to release the CPU from the socket. 3. Remove the CPU from the socket as shown. IMPORTANT: The pins on the underside of the CPU are very delicate. If they are damaged, the CPU may malfunction. Place the - Acer Aspire 5940G | Service Guide - Page 111
Main Module Reassembly Procedure Replacing the CPU IMPORTANT: The CPU has a Pin1 locator that must be positioned corresponding to the marker on the CPU socket. 1. Carefully turn the mainboard upside down (CPU side up), and place the CPU into the CPU socket as shown, taking note of the Pin1 locator. - Acer Aspire 5940G | Service Guide - Page 112
other approved cleaning agent. 2. Apply a small amount of thermal grease to the centre of the CPU-there is no need to spread the grease manually, the force used during the installation of the Thermal Module is sufficient. 3. Align the screw holes on the Thermal Module and Mainboard then replace the - Acer Aspire 5940G | Service Guide - Page 113
Replacing the VGA/MXM Card NOTE: The following procedure outlines the installation steps for models supporting VGA Cards. The procedure for MXM Cards requires two screws, though the remaining steps are identical. 1. Insert the card in to the Mainboard connector as - Acer Aspire 5940G | Service Guide - Page 114
Replacing the Mainboard 1. Insert the Mainboard in to the Lower Cover, left side first. Ensure that the I/O ports on the left side of the Mainboard are located correctly through the Lower Case. 2. Pivot the Mainboard in to the Lower Cover as shown. 3. Replace the single screw securing the - Acer Aspire 5940G | Service Guide - Page 115
Replacing the Hinge Wells 1. Replace the left and right Hinge Wells in the Lower Cover as shown. Ensure that the Wells are seated correctly on the locating pins. 2. Replace the two screws to secure the Hinge Wells in the Lower Cover. Replacing the Card Reader Board 1. Insert the Card Reader Board - Acer Aspire 5940G | Service Guide - Page 116
3. Replace the four screws to secure the Card Reader Board to the Lower Cover. Replacing the Bluetooth Module 1. Connect the Bluetooth cable to the module as shown. 2. Place the module in the Lower Cover. Ensure that the module is seated correctly on the locating pins. 3. Run the cable along the - Acer Aspire 5940G | Service Guide - Page 117
Replacing the Subwoofer 1. Place the module in the Lower Cover. Ensure that 2. Run the cable along the cable channel using all the module is seated correctly on the locating pins. available clips. 3. Connect the Subwoofer cable to the Mainboard as shown. Replacing the USB Board 1. Place the board - Acer Aspire 5940G | Service Guide - Page 118
Replacing the Saddles 1. Align the screw holes and locating pins on the Saddles and the Lower Cover and replace the Saddles. 2. Replace the two screws to secure the Right Saddle to the Lower Cover. NOTE: The Left Saddle is not secured with screws. 108 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 119
Replacing the LCD Module IMPORTANT: The LCD Module cannot be disassembled outside of factory conditions. If any part of the LCD Module is faulty, such as the camera, antenna or LCD panel, the whole module must - Acer Aspire 5940G | Service Guide - Page 120
3. Run the Conductive cable along the cable channel 4. Run the LVDS cable along the cable channel using using all the cable clips. all the cable clips. 5. Connect the LVDS cable to the Mainboard as shown. 6. Connect the Conductive cable to the Mainboard as shown. Replacing the TouchPad Bracket - Acer Aspire 5940G | Service Guide - Page 121
2. Insert the two screws to secure the TouchPad Bracket in place. Step TouchPad Bracket Size M2.5*3 Quantity 2 Screw Type 3. Adhere the Finger Print Reader protection strip to the TouchPad Bracket as shown. 4. Connect the TouchPad FFC to the TouchPad and close the locking latch. Chapter 3 - Acer Aspire 5940G | Service Guide - Page 122
5. Adhere the TouchPad FFC to the touchpad bracket as shown. Replacing the Button Board and Finger Print Reader 1. Place the Finger Print Reader into the bracket as shown. 2. Insert the two screws to secure the Finger Print Reader to the bracket. Step Finger Print Reader Size M2*3 Quantity 2 - Acer Aspire 5940G | Service Guide - Page 123
3. Place the Button Board into the bracket. 4. Connect the Finger Print Reader FFC to the Button Board and close the FFC locking latch. 5. Place the button board assembly into the Upper Cover, taking care to align the screw holes. Chapter 3 113 - Acer Aspire 5940G | Service Guide - Page 124
6. Replace the two screws to secure the Button Board and Finger Print Reader to the Upper Cover. Step Button Board Size M2.5*5 Quantity 2 7. Adhire the Button Board FFC to the back of the touchpad. Screw Type 114 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 125
Replacing the MIC Board 1. Place the MIC Board into the Upper Cover as shown. 2. Insert the MIC cable from the cable channel as shown. Ensure that the cable is secured by all cable clips. 3. Adhere the adhesive tape to secure the MIC cable to the Upper Cover. Chapter 3 115 - Acer Aspire 5940G | Service Guide - Page 126
Replacing the Volume Control Board 1. Place the board into the Upper Cover. 2. Insert the two screws to secure the board to the Upper Cover. Step Volume Control Board Size M2.5*3 Quantity 2 3. Adhere Volume Control Board FFC to the Upper Cover as shown. Screw Type 116 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 127
Replacing the Power Saving Board 1. Connect the cable to the Power Saving Board as shown. 2. Place the board into the chassis. 3. Insert the two securing screws into the board. Step Power Saving Board Size M2.5*3 Quantity 2 Screw Type Chapter 3 117 - Acer Aspire 5940G | Service Guide - Page 128
4. insert the Power Saving Board cable into the cable channel as shown. 118 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 129
Replacing the Speaker Module 1. Using both hands, place the Speaker Module into the Upper Cover. 2. Insert the four screws to secure the Speaker module to the Upper Cover. Step Speaker Module Size M2.5*3 Quantity 4 3. Insert the Speaker cable into the cable channel as shown. Screw Type - Acer Aspire 5940G | Service Guide - Page 130
4. Replace the mylar covering to cover the Speaker cable as shown. 120 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 131
Replacing the Launch Board 1. Feed the FFC through the penetration in the Upper Cover as shown. 2. Place the Launch Board into the Upper Cover. 3. Press down on the top of the board toengage the securing clips (1) and push the Launch Board in the direction of the arrow (2) to lock the board in - Acer Aspire 5940G | Service Guide - Page 132
4. Turn the Upper Cover over and insert the Launch Board cover into the Upper Cover. 5. Turn the Upper Cover over and adhere the Launch Board FFC to the upper cover. 122 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 133
Replacing the Media Board 1. Insert the FFC into the penetration in the the Upper Cover (1) and place the Media Board into the Upper Cover (2) as shown. 2 1 2. Press down on the board so the securing clips engage and push the Media Board in the direction of the arrow (2). 1 Securing Clip 2 3. Turn - Acer Aspire 5940G | Service Guide - Page 134
4. Turn the Upper Cover over and adhere the Media Board FFC to the upper cover. Replacing the Upper Cover 1. Insert the Upper Cover into the assembly back edge first as shown. 2. Work along the casing on the right and left sides toward the front edge, pressing the casing together. A click indicates - Acer Aspire 5940G | Service Guide - Page 135
3. Starting on the front left side of the casing and working along toward the right, press the upper and lower covers together as shown. A click indicates the securing clips have engaged. 4. Connect the following FFCs (A, B, D, and E) and cables (C, F, and G) to the Mainboard. G F B E A C D - Acer Aspire 5940G | Service Guide - Page 136
5. Replace the Keyboard Cover and insert the single screw securing the Keyboard Cover to the Upper Cover. . Step Keyboard Cover Size M2.5*5 Quantity 1 Screw Type 6. Turn the computer over. Connect the Launch Board FFC connector and lock the FFC connector. 126 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 137
7. Turn the computer over. Insert the twenty-three screws on the bottom panel. Step Upper Cover (red callout) Upper Cover (blue callout) Upper Cover (green callout) Size M2.5*8 M2.5*5 M2.5*3 Quantity 18 2 3 Screw Type Chapter 3 127 - Acer Aspire 5940G | Service Guide - Page 138
Replacing the Keyboard 8. Insert the Keyboard backlight FFC and lock the connector. 9. Connect the Keyboard FFC and lock the connector. 10. Slide the keyboard away from the LCD screen to engage the securing tabs on the keyboard. 128 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 139
11. Press down around the edges of the Keyboard to secure it in place. Replacing the WLAN Module 1. Insert the WLAN Module into the mini-card socket. 2. Connect the antenna cables to the WLAN - Acer Aspire 5940G | Service Guide - Page 140
3. Replace the Mini-Card Bracket as shown. 4. Insert the two screws to secure the Mini-Card Bracket and WLAN Module to the Mainboard Step WLAN Module Size M2*3 Quantity 2 Screw Type 130 Chapter 3 - Acer Aspire 5940G | Service Guide - Page 141
Replacing the DIMM Modules 1. Insert the DIMM Module in place. 2. Press down to lock the DIMM module in place. Replacing the Hard Disk Drive Module 1. Place the HDD in the HDD carrier. 2. Replace the four screws (two each side) to secure the carrier. 3. Insert the HDD SATA interface connector - Acer Aspire 5940G | Service Guide - Page 142
Replacing the ODD Module 1. With the ODD tray in the eject position, replace the 2. Secure ODD bracket with two screws. ODD bezel on the new ODD Module. 3. Slide the module in to the chassis and press until 4. Replace the single screw to secure the Module. the module is flush with the chassis. 132 - Acer Aspire 5940G | Service Guide - Page 143
Cover back edge first as shown. 2. Replace the memory/HDD cover back edge first as shown. IMPORTANT: Ensure that the all the securing tabs are correctly located in the casing. 3. Secure the four captive - Acer Aspire 5940G | Service Guide - Page 144
Dummy into the slot until an audible click indicates that the card is correctly inserted. 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 2. Slide the battery lock in the direction shown to secure the - Acer Aspire 5940G | Service Guide - Page 145
Troubleshooting Chapter 4 Common Problems Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, If the Issue is still not resolved, see "Online Support Information" on page 219. Chapter 4 135 - Acer Aspire 5940G | Service Guide - Page 146
system powers off at intervals, perform the following actions one at a time to correct the problem. 1. Check the power cable is properly connected to the computer and the electrical outlet. software. 7. If the Issue is still not resolved, see "Online Support Information" on page 219. 136 Chapter 4 - Acer Aspire 5940G | Service Guide - Page 147
a time to correct the problem. 1. Make sure that Product pages for specific model procedures. 2. removing the power cable and battery and holding down the power memory modules. 7. Remove the drives (see "Disassembly Process" on page 46). 8. If the Issue is still not resolved, see "Online Support - Acer Aspire 5940G | Service Guide - Page 148
), the LCD is faulty and should be replaced. See "Disassembly Process" on page 46. 4. Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. NOTE: Ensure that the computer is not running on battery alone as this may reduce display brightness. If the - Acer Aspire 5940G | Service Guide - Page 149
If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace a nondefective FRUs: Built-In Keyboard Failure If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Chapter 4 139 - Acer Aspire 5940G | Service Guide - Page 150
doesn't work, 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 time to correct the problem. Do not replace a non-defective FRUs: 140 Chapter 4 - Acer Aspire 5940G | Service Guide - Page 151
following actions one at a time to correct the problem. 1. Reboot the computer. 2. Navigate to Devices. 3. Roll back the audio driver to the previous version, if updated recently. 4. Remove and reinstall the audio driver. 5. Ensure that all volume Support Information" on page 219. Chapter 4 141 - Acer Aspire 5940G | Service Guide - Page 152
actions one at a time to correct the problem. Do not replace a non-defective FRUs: Microphone Problems If internal or external Microphones do no Follow the onscreen prompts to complete the test. 8. If the Issue is still not resolved, see "Online Support Information" on page 219. 142 Chapter 4 - Acer Aspire 5940G | Service Guide - Page 153
issue is discovered, follow the onscreen information to resolve the problem. 4. Run the Windows Memory Diagnostic Tool. For more information see Windows Help and Support. 5. Restart the computer and press F2 to enter the BIOS Utility. Check the BIOS settings are correct and that CD/DVD drive is set - Acer Aspire 5940G | Service Guide - Page 154
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 noisy Perform the following general solutions one at a time to correct the problem. 1. Reboot the computer and retry the operation. 2. Try an alternate - Acer Aspire 5940G | Service Guide - Page 155
click on the device and uninstall and reinstall the driver. d. Check that there are no yellow exclamation region cannot be changed even Windows is reinstalled or the drive manual. Playback is Choppy If playback is choppy or jumps, perform the following actions one at a time to correct the problem - Acer Aspire 5940G | Service Guide - Page 156
to one of the ODDs specified in "Hardware Specifications and Configurations" on page 16. 3. Turn off the power and remove the cover to inspect the connections to the ODD. See "Disassembly Process" on page 46. a. Check for broken connectors on the drive, motherboard, and cables. b. Check for bent or - Acer Aspire 5940G | Service Guide - Page 157
Modem Function Failure If the internal Modem fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: START RJ-11 well connected? No Connect it well Modem wire well connected? No Connect it well Modem card - Acer Aspire 5940G | Service Guide - Page 158
Run the Event Viewer to check the events log for errors. For more information see Windows Help and Support. 10. Roll back the mouse driver to the previous version if updated recently. 11. Remove and reinstall the mouse driver. 12. Check the Device Manager to determine that: • The device is properly - Acer Aspire 5940G | Service Guide - Page 159
. 13. If the Issue is still not resolved, see "Online Support Information" on page 219. Other Failures If the CRT Switch, Dock perform the following general steps to correct the problem. Do not replace a non-defective FRUs: 1. Check Drive whether is OK. 2. Check Test Fixture is ok. 3. Swap M/B to Try - Acer Aspire 5940G | Service Guide - Page 160
test to verify that there are no more errors. Undetermined Problems The diagnostic problems devices are supported by the computer problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery - Acer Aspire 5940G | Service Guide - Page 161
92 93 4D 4E 6D 4F 50 6E 6F 70 71 72 74 8F 73 75 C2 C5 C4 C7 C9 D8 44 Driver Name StatusCode Variable SmmVariable EmuVariable TcgDxe PhysicalPresence TpmDriver TcgSmm PhysicalPresenceReadyT oBoot DataHubRecordPolicy Undi SNP BC PxeDhcp4 Ebc IsaBus IsaSerial Ps2Mouse IdeBus LightPciBus UsbBot UsbCbi0 - Acer Aspire 5940G | Service Guide - Page 162
54 51 76 55 56 D9 CC D0 f9 D1 D2 57 58 59 AB AC D7 A6 80 82 7E Driver Name SmmAccess PciHostBridge PciExpress GmchMbi IchInit IdeController SataController IchSmbusLight SmmControl Ich7MSmmDispatcher IsaAcpiDriver Fwh SmmFwh PciHotPlug BootOptionPolicy SetupUtility Platform PlatformIde Ppm Platform - Acer Aspire 5940G | Service Guide - Page 163
boot Initialize PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize timer initialization DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 Keyboard Controller Set ES segment register to - Acer Aspire 5940G | Service Guide - Page 164
PC-compatible PnP ISA devices Re-initialize onboard I/O ports. Configure Motherboard Configurable Devices (optional) Initialize BIOS Data Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller Determine number of ATA - Acer Aspire 5940G | Service Guide - Page 165
ATA and SCSI drives Set time of day Check key lock Initialize Typematic rate Erase F2 prompt Scan for F2 key stroke Enter SETUP Clear Boot flag system One short beep before boot Terminate QuietBoot (optional) Check password (optional) Prepare Boot Initialize DMI parameters Initialize PnP Option ROMs - Acer Aspire 5940G | Service Guide - Page 166
Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run - Acer Aspire 5940G | Service Guide - Page 167
Speaker (Right) Connector Launch board Connector Keyboard backlight Connector New (Express) card Connector Keyboard Connector POWER SAVING Connector USB cable Connector tooth Connector Finger Print Connector HDD_LED NUM_LED CAPS_LED PWR_LED Battery charger_LED Touch pad lock_LED Chapter 5 157 - Acer Aspire 5940G | Service Guide - Page 168
Connector USB Connector Item JLINE1 JMIC1 JHP1 JCPU1 JDIMM2 JDIMM1 PJP1 JSATA1 JSATA2 Description LINE IN JACK MIC IN JACK Head-Phone Jack CPU Socket Memory DIMM2 Connector Memory DIMM1 Connector Battery Connector HDD Connector ODD Connector 158 Chapter 5 - Acer Aspire 5940G | Service Guide - Page 169
LS-5011P LCD Backlight Board Item JP1 Description Backlight on/off Connector Chapter 5 159 - Acer Aspire 5940G | Service Guide - Page 170
LS-5012P Launch Board Item LED1 LED2 LED3 Description Backup LED Bluetooth LED Wireless LED 160 Chapter 5 - Acer Aspire 5940G | Service Guide - Page 171
LS-5013P Media Board Item LED1 LED2 LED3 LED4 Description HOLD LED NEXT LED PREVIOUS LED REW LED Item LED5 LED6 LED7 LED8 Description FWD LED STOP LED PLAY/PAUSE LED MUTE LED Chapter 5 161 - Acer Aspire 5940G | Service Guide - Page 172
LS-5014P VR Board Item SW1 VR SWITCH Description 162 Chapter 5 - Acer Aspire 5940G | Service Guide - Page 173
LS-5015P Finger printer Board Item U2 Description LTT-SS801U-13_LGA28 Chapter 5 163 - Acer Aspire 5940G | Service Guide - Page 174
LS-5016P USB Board Item JP1 JP2 Description USB cable Connector RF Connector Item JP3 ANT1 Description USB Connector RF cable Connector 164 Chapter 5 - Acer Aspire 5940G | Service Guide - Page 175
LS-5017P IO Board Item JP1 JMINI1 JMINI2 Description Board to board Conn Mini card Connector Mini card Connector Item J1 JREAD1 Description 1394 Connector 7in1 card reader Conn Chapter 5 165 - Acer Aspire 5940G | Service Guide - Page 176
LS-5018P POWER SAVING Board Item JP1 SW1 LED1 Description Power saving cable connector Power saving button Power saving LED 166 Chapter 5 - Acer Aspire 5940G | Service Guide - Page 177
LS-5019P Touch pad button Board Item SW1 SW2 JP1 Description T/P left button T/P right button FP FFC Connector Chapter 5 167 - Acer Aspire 5940G | Service Guide - Page 178
. Aspire 5940G Series provides one Hardware Open Gap on main board for clearing password check, and one Hotkey for enabling BIOS Recovery. Clearing Password Check Hardware Open Gap Description ITEM CLRP2 CLRP3 DESCRIPTION Clear CMOS Jumper Clear CMOS Jumper Steps for Clearing BIOS Password Check - Acer Aspire 5940G | Service Guide - Page 179
this function, it is strongly recommended to have the AC adapter and Battery present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot Block. Steps for BIOS Recovery by Crisis Disk: Before doing this, a Crisis Diskette should be prepared ready - Acer Aspire 5940G | Service Guide - Page 180
170 Chapter 5 - Acer Aspire 5940G | Service Guide - Page 181
the FRU (Field Replaceable Unit) listing in global configurations of Aspire 5940G Series. Refer to this chapter whenever ordering for parts to 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 - Acer Aspire 5940G | Service Guide - Page 182
Aspire 5940G Series Exploded Diagrams Main Assembly 1 2 3 4 7 5 6 No. Description 1 Keyboard 2 Upper Cover 3 Mainboard 4 Thermal Module 5 Subwoofer 6 Lower Cover 7 Hingle Saddle-L Acer P/N KB.I140A.031 60.PH702.001 MB.PH802.001 60.PH702.008 23.PH702.003 60.PH702.002 33.PH702.002 - Acer Aspire 5940G | Service Guide - Page 183
Base Assembly 1 2 3 No. Description 1 HDD Door 2 Mini Door 3 Lower Cover Acer P/N 42.PH702.003 42.PH702.004 60.PH702.002 Chapter 6 173 - Acer Aspire 5940G | Service Guide - Page 184
Aspire 5940G Series FRU List CATEGORY BOARD Description Acer Part Number Lan Intel WLAN 512AN_HMWG Shirley Peak 5100 MM#895373 Lan Intel WLAN 512AG_HMWG Shirley Peak 5100 MM#897072 Lan Intel WLAN 533AN_HMWG Shirley - Acer Aspire 5940G | Service Guide - Page 185
CATEGORY T/P FFC Description Acer Part Number 50.PH702.002 POWER SAVING CABLE USB CABLE RF CABLE ON-OFF BOARD CABLE TV TUNER ANTENNA SMB-PAL JACK PAL-F JACK ANTENNA - Acer Aspire 5940G | Service Guide - Page 186
CATEGORY HDD DOOR Description MINI DOOR HDD BRACKET Acer Part Number 42.PH702.003 42.PH702.004 33.PH702.003 HDD CONNECTOR MINI CARD BRACKET 20.PH702.001 33.PH702.004 KEYBOARD LAUNCH COVER - BT, WLAN, REPLICATE FP-TP BRACKET 60.PH702.003 33.PFQ02.001 T/P BRACKET 33.PH702.005 MEDIA COVER - Acer Aspire 5940G | Service Guide - Page 187
Black US International w/ Hebrew Backlit Keyboard ACER AC4B SM50 Internal 14 Standard 87KS Black UK Backlit Keyboard ACER AC4B SM50 Internal 14 Standard 87KS Black German Backlit Keyboard ACER AC4B SM50 Internal 14 Standard 87KS Black Swiss/G Backlit Keyboard ACER AC4B SM50 Internal 14 Standard 87KS - Acer Aspire 5940G | Service Guide - Page 188
AC4B SM50 Internal 14 Standard 87KS Black Brazilian Portuguese Backlit Keyboard ACER AC4B SM50 Internal 14 Standard 87KS Black CZ/SK Backlit Keyboard ACER AC4B SM50 Internal 14 Standard 91KS Black Japanese Backlit Acer Part Number KB.I140A.009 KB.I140A.010 KB.I140A.019 ODD SUPER-MULTI DRIVE MODULE - Acer Aspire 5940G | Service Guide - Page 189
CATEGORY Description ODD BEZEL-BD ODD BRACKET Acer Part Number 42.PH702.007 33.PH702.006 LCD MAINBOARD 005 50.PH702.006 60.PH702.007 50.PH702.008 33.PH702.007 57.PH702.001 MAINBOARD ASPIRE 5940G INTEL PM55 LF WITH ALL CONNECTERS MB.PH802.001 HEATSINK CPU THERMAL MOUDLE 60.PH702.008 SPEAKER - Acer Aspire 5940G | Service Guide - Page 190
CATEGORY Description SUB WOOFER Acer Part Number 23.PH702.003 MISCELLANEOUS ACCESSORY NAME PLATE-AS5940 LCD SCREW K 5.5D 0.8T ZKNL SCREW M2.5D 3.2L K 6D NI SCREW M2.5D 4.15L K 5.5D ZK NL CR3 Acer P/N 86.PH702.001 86.PH702.002 86.PH702.003 86.PH702.004 86.PH702.005 86.PH702.006 86.PH702.007 86 - Acer Aspire 5940G | Service Guide - Page 191
Chapter 6 181 - Acer Aspire 5940G | Service Guide - Page 192
and Configuration Appendix A Aspire 5940G Series Model AS5940G824G50Wn RO AAP AS5940G724G50Bn EMEA AS5940G- EMEA 724G50Wn AS5940G- AAP 724G50Wn AS5940G724G50Bn EMEA AS5940G724G50Bn EMEA AS5940G724G50Bn EMEA AS5940G724G50Bn EMEA AS5940G- EMEA 724G32Mn AS5940G724G50Bn EMEA - Acer Aspire 5940G | Service Guide - Page 193
- EMEA 724G50Mn AS5940G- TWN 724G50Mn AS5940G- AAP 724G50Mn AS5940G724G50Wi EMEA AS5940G724G50Wi EMEA AS5940G- EMEA 724G50Wn AS5940G724G50Bn EMEA AS5940G724G50Bn EMEA AS5940G- EMEA 724G50Mn AS5940G- EMEA 724G50Mn AS5940G- EMEA 724G50Mn AS5940G- EMEA 724G50Mn Country France Acer Part - Acer Aspire 5940G | Service Guide - Page 194
EMEA AS5940G- EMEA 724G32Mn AS5940G724G50Bn EMEA AS5940G- EMEA 724G50Wn AS5940G- AAP 724G50Mn AS5940G724G50Bn EMEA AS5940G724G50Bn EMEA Country Greece Thailand Thailand Russia UK France Germany Middle East Middle East Middle East Indonesia Austria Luxembour g Acer Part No LX.PFQ02 - Acer Aspire 5940G | Service Guide - Page 195
East Australia/ New Zealand Middle East France France Acer Part No LX.PFQ07.023 LX.PFQ07.027 S2 724G50Bn W7UT64ATCH1 MC M961GBCFPbkQ_V3 2*2G/500_L/ BT/6L2.2/5R/ CB_n2_FP_1.0D_GEb_IT41 AS5940G-724G32Mn EM W7HP64EMATTR1 MC M961GBCFPbkQ_V3 2*2G/320/BT/ 6L2.2/5R/CB_n2_FP_1.0D_GEb_TR31 AS5940G-724G50Mn - Acer Aspire 5940G | Service Guide - Page 196
EMEA EMEA EMEA EMEA EMEA EMEA Country Middle East Acer Part No LX.PFQ02.072 South Africa LX.PFQ02 724G50Mn W7HP64ATAU1 MC M961GBCFPbkQ_V3 2*2G/500_L/ BT/6L2.2/5R/ CB_n2_FP_1.0D_GEb_ES61 AS5940G-724G50Bn W7UT64ATNL1 MC M961GBCFPbkQ_V3 2*2G/500_L/ BT/6L2.2/5R/ CB_n2_FP_1.0D_GEb_NL11 AS5940G-724G50Bn - Acer Aspire 5940G | Service Guide - Page 197
Europe AS5940G724G50Bn EMEA Eastern Europe AS5940G724G50Bn EMEA Eastern Europe Acer Part No LX.PFQ02.059 LX.PFQ02.087 .PFQ07.004 Description AS5940G-724G50Bi W7HP64RUATUK1 MC M961GBCFPbkQ_V3 2*2G/500_L/BT/ 6L2.2/5R/ CB_abg_FP_1.0D_GEb_RU61 AS5940G-724G50Bn W7HP64ATDE1 MC M961GBCFPbkQ_V3 2*2G - Acer Aspire 5940G | Service Guide - Page 198
AS5940G- EMEA UK 724G50Bn AS5940G724G50Bn EMEA Cyprus AS5940G724G50Bn EMEA Belgium AS5940G724G50Bn EMEA Czech AS5940G724G50Bn EMEA Czech AS5940G724G50Bn EMEA Norway AS5940G724G50Bn EMEA Norway AS5940G724G50Bn EMEA Portugal AS5940G724G50Bn EMEA Portugal Acer Part No LX - Acer Aspire 5940G | Service Guide - Page 199
724G50Mn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G724G50Bn EMEA AS5940G- EMEA 724G50Wn Country Middle East Acer AS5940G-724G50Bn EM W7HP64EMATME9 MC M961GBCFPbkQ_V3 2*2G/500_L/BT/ 6L2.2/5R/CB_n2_FP_1.0D_GEb_ES81 AS5940G-724G50Bn EM - Acer Aspire 5940G | Service Guide - Page 200
W7HP64ATFI2 MC M961GBCFPbkQ_V3 2*2G/500_L/ BT/6L2.2/5R/ CB_n2_FP_1.0D_GEb_FI11 AS5940G-724G50Wn W7HP64ATGR1 MC M961GBCFPbkQ_V3 2*2G/500_L/ BT/6L2.2/5R/ CB_n2_FP_1.0D_GEb_EL31 AS5940G-724G50Bn W7HP64ATHU1 MC M961GBCFPbkQ_V3 2*2G/500_L/ BT/6L2.2/5R/ CB_n2_FP_1.0D_GEb_HU11 CPU Ci7720QM Ci7720QM - Acer Aspire 5940G | Service Guide - Page 201
AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn AS5940G- EMEA 724G50Wn Country Hungary Acer Part No LX - Acer Aspire 5940G | Service Guide - Page 202
- EMEA Belgium 724G50Wn AS5940G- EMEA Cyprus 724G50Wn AS5940G- EMEA Poland 724G50Mn AS5940G- WW 724G32Mn GCTWN AS5940G- EMEA Spain 724G50Wn AS5940G- AAP 724G50Wn AS5940G724G50Bn AAP AS5940G- AAP 724G50Mn Australia/ New Zealand Australia/ New Zealand Australia/ New Zealand Acer Part No LX - Acer Aspire 5940G | Service Guide - Page 203
-724G50Bn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Wi AS5940G-724G50Wi AS5940G-724G50Wn AS5940G-724G50Bn - Acer Aspire 5940G | Service Guide - Page 204
-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Mn AS5940G-724G50Bn AS5940G-724G50Bn - Acer Aspire 5940G | Service Guide - Page 205
-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Mn AS5940G-724G50Wn - Acer Aspire 5940G | Service Guide - Page 206
-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Mn AS5940G-724G32Mn - Acer Aspire 5940G | Service Guide - Page 207
-724G50Mn AS5940G-724G50Wi AS5940G-724G50Wi AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Bn AS5940G-824G50Bn AS5940G-724G50Bi AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Bn AS5940G-724G32Mn - Acer Aspire 5940G | Service Guide - Page 208
-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bi AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn - Acer Aspire 5940G | Service Guide - Page 209
-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Mn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn - Acer Aspire 5940G | Service Guide - Page 210
-724G50Bn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Mn AS5940G-724G50Wi AS5940G-724G50Wi AS5940G-724G50Wn AS5940G-724G50Bn - Acer Aspire 5940G | Service Guide - Page 211
-724G50Mn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G32Mn AS5940G-724G50Mn AS5940G-724G50Bn - Acer Aspire 5940G | Service Guide - Page 212
-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Bn AS5940G-724G50Mn AS5940G-724G50Wn - Acer Aspire 5940G | Service Guide - Page 213
-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Bn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Wn AS5940G-724G50Mn AS5940G-724G32Mn - Acer Aspire 5940G | Service Guide - Page 214
Appendix A 204 - Acer Aspire 5940G | Service Guide - Page 215
are tested under Windows® 7 environment. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests. Regarding configuration, combination and test procedures, please refer to the Aspire 5940G Series Compatibility Test Report released by the Acer Mobile - Acer Aspire 5940G | Service Guide - Page 216
Microsoft® Windows® 7 Environment Test Vendor Adapter DELTA LITE-ON HIPRO DELTA LITE-ON HIPRO DELTA LITE-ON HIPRO DELTA LITE-ON HIPRO Audio Codec Realtek Realtek Realtek Realtek Battery SANYO SONY PANASONIC SAMSUNG SANYO SONY SANYO SONY Description ITEM_No 90W 90W 90W 90W 90W 90W 90W 90W 90W 90W - Acer Aspire 5940G | Service Guide - Page 217
AS-2007B Li-Ion 3S2P SANYO 6 cell 4400mAh Main COMMON Normal Type Battery SONY AS-2007B Li-Ion 3S2P SONY 6 cell 4400mAh Main COMMON Normal Type Battery PANASONIC AS-2007B Li-Ion 3S2P PANASONIC 6 cell 4400mAh Main COMMON PSS Battery SAMSUNG AS-2007B Li-Ion 3S2P SAMSUNG 6 cell 4400mAh Main COMMON SDI - Acer Aspire 5940G | Service Guide - Page 218
in 5 in 1-Build in 5 in 1-Build in ITEM_No "5 in 1-Build in MS, MS Pro, SD, SC, XD" "5 in 1-Build in MS, MS Pro, SD, SC, XD" "5 in 1-Build in MS, MS Pro, SD, SC, XD" "5 in 1-Build in MS, MS Pro, SD, SC, XD" SS801U SS801U LTT Finger Print SS801U LTT Finger Print SS801U - Acer Aspire 5940G | Service Guide - Page 219
Vendor SEAGATE TOSHIBA HGST WD SEAGATE TOSHIBA HGST HGST WD SEAGATE TOSHIBA HGST HGST WD SEAGATE TOSHIBA HGST HGST WD SEAGATE TOSHIBA HGST WD SEAGATE TOSHIBA Appendix B Description N160GB5.4K S N160GB5.4K S N160GB5.4K S N160GB5.4K S N250GB5.4K S N250GB5.4K S N250GB5.4K S N250GB5.4K S N250GB5.4K S - Acer Aspire 5940G | Service Guide - Page 220
Vendor HGST HGST WD SEAGATE TOSHIBA HGST HGST WD SEAGATE TOSHIBA HGST HGST WD SEAGATE TOSHIBA HGST WD SEAGATE TOSHIBA HGST HGST WD SEAGATE TOSHIBA HGST 210 Description N250GB5.4K S N250GB5.4K S N250GB5.4K S N320GB5.4K S N320GB5.4K S N320GB5.4K S N320GB5.4K S N320GB5.4K S N500GB5.4K S N500GB5.4K S - Acer Aspire 5940G | Service Guide - Page 221
SATA LF F/W:01.01A01" AC4B AC4B AC4B AC4B Keyboard ACER AC4B SM50 Internal 14 Standard Black Backlit Keyboard ACER AC4B SM50 Internal 14 Standard Black Backlit Keyboard ACER AC4B SM50 Internal 14 Standard Black Backlit Keyboard ACER AC4B SM50 Internal 14 Standard Black Backlit BCM57780 BCM57780 - Acer Aspire 5940G | Service Guide - Page 222
ELPIDA SO-DIMM DDRIII 1066 1GB EBJ11UE6BBS0AE-F LF 64*16 0.065um Memory ELPIDA SO-DIMM DDRIII 1066 1GB EBJ10UE8BDS0AE-F LF 128*8 0.065um Memory SAMSUNG SO-DIMM DDRIII 1066 1GB M471B2873EH1-CF8 LF 64*16 0.055um Memory HYNIX SO-DIMM DDRIII 1066 1GB HMT112S6BFR6CG7 N0 LF 64*16 0.055um 212 Appendix - Acer Aspire 5940G | Service Guide - Page 223
SO1GBIII10 SO1GBIII10 SO1GBIII10 SO2GBIII10 SO2GBIII10 SO2GBIII10 SO2GBIII10 SO2GBIII10 ITEM_No Memory NANYA SO-DIMM DDRIII 1066 2GB NT2GC64B8HA1NS-BE LF 128*8 0.07um Memory ELPIDA SO-DIMM DDRIII 1066 2GB EBJ21UE8BBS0AE-F LF 128*8 0.065um Memory SAMSUNG SO-DIMM DDRIII 1066 2GB M471B5673EH1-CF8 LF - Acer Aspire 5940G | Service Guide - Page 224
SATA ODD PIONEER BD RW 12.7mm Tray DL 4X BDR-TD01RS LF W/ O bezel SATA (Windows 7) "ODD PANASONIC BD RW 12.7mm Tray DL 4X UJ230A LF W/O bezel SATA 2X Super-Multi DRIVE 12.7mm Tray DL 8X TS-L633C LF W/O bezel SATA (HF + Windows 7) ODD HLDS Super-Multi DRIVE 12.7mm Tray DL 8X GT20N LF W/ O bezel SATA - Acer Aspire 5940G | Service Guide - Page 225
SATA ODD PIONEER BD RW 12.7mm Tray DL 4X BDR-TD01RS LF W/ O bezel SATA (Windows 7) "ODD PANASONIC BD RW 12.7mm Tray DL 4X UJ230A LF W/O bezel SATA 2X Super-Multi DRIVE 12.7mm Tray DL 8X TS-L633C LF W/O bezel SATA (HF + Windows 7) ODD HLDS Super-Multi DRIVE 12.7mm Tray DL 8X GT20N LF W/ O bezel SATA - Acer Aspire 5940G | Service Guide - Page 226
ITEM_No ODD PLDS BD COMBO 12.7mm Tray DL 4X DS-4E1S LF W/O bezel SATA (Windows 7) ODD PIONEER BD RW 12.7mm Tray DL 4X BDR-TD01RS LF W/ O bezel SATA " ODD PANASONIC BD RW 12.7mm Tray DL 4X UJ240A LF W/O bezel SATA (HF+Windows 7) ODD TOSHIBA Super-Multi DRIVE 12.7mm Tray DL 8X TS-L633B LF W/O bezel - Acer Aspire 5940G | Service Guide - Page 227
Vendor Formosa21 Formosa21 Formosa21 Fomosa21 Formosa21 Formosa21 Formosa21 Software TV Antenna TV Tuner VGA Chip AMD AMD AMD AMD VRAM WiFi Antenna WNC WNC WNC WNC Wireless LAN INTEL INTEL INTEL Description RC804V-B RC804V-B RC804V-B RC804V-B RC804V-B RC804V-B RC804V-B ITEM_No Formosa21 Remote - Acer Aspire 5940G | Service Guide - Page 228
Vendor INTEL INTEL INTEL INTEL INTEL Description SP1x2HMW SP3x3HMW SP1x2HMW SP3x3HMW SP1x2HMW ITEM_No Lan Intel WLAN 512AN_HMWG Shirley Peak 5100 MM#895373 Lan Intel WLAN 533AN_HMWG Shirley Peak MM#895401 Lan Intel WLAN 512AN_HMWG Shirley Peak 5100 MM#895373 Lan Intel WLAN 533AN_HMWG Shirley Peak - Acer Aspire 5940G | Service Guide - Page 229
and valuable support resources whenever you need them. In the Technical Information section you can download information 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 - Acer Aspire 5940G | Service Guide - Page 230
220 Appendix C - Acer Aspire 5940G | Service Guide - Page 231
Battery Pack Removing 48 BIOS ROM size 16 ROM type 16 vendor 16 Version 16 BIOS Card Reader Board Removing 93 Replacing 105 Common Problems 136 computer on indicator 6 CPU 100 Replacing Euro 14 Express Dummy Card Removing 49 External Module Disassembly Flowchart 47 F Features 1 Finger Print Reader - Acer Aspire 5940G | Service Guide - Page 232
Lower Covers Removing 51 M Main Module Reassembly Procedure 101 Main Unit Disassembly Flowchart 59 Mainboard Removing 95 Replacing 104 media access on indicator 6 Media Board Removing 66 Replacing 123 Memory Check 136 Memory Cover Removing 51 MIC Board 222 Removing 75 Replacing 115 Model Definition - Acer Aspire 5940G | Service Guide - Page 233
147 U Undetermined Problems 150 Upper Cover Removing 63 Upper Cover Disassembly Flowchart 59 USB Board Removing 89 Replacing 107 utility BIOS 23-35 V VGA Card Removing 97 VGA/MXM Card Replacing 103 Volume Control Board Removing 74 Replacing 116 W Windows 2000 Environment Test 206 Wireless Function - Acer Aspire 5940G | Service Guide - Page 234
224