Aspire 8943G Series_SG - Acer Support

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Mainboard Bottom View PJ2: DC-IN Connector CN13: Mini Card connector For TV CN14: Mini Card connector For WLAN CN18: ODD Connector CN22: Main HDD U45: Card reader U42: Speaker connector CN27: RTC U42: PCH PJ1: Battery Connector U35: AMD GPU U40: VRAM U39: VRAM JDIM1: DDR3 Channel A DIMM0 JDIM2: DDR3 Channel A DIMM1 U44: ME ROM JDIM4: DDR3 Channel B DIMM0 JDIM3: DDR3 Channel B DIMM1 U34: CPU Socket CN22: Second HDD CN15: CPU FAN connector CN15: CRT board connector U33: VRAM U38: VRAM Item Description Item Description CN14 Minicard connector for WLAN CN20 USB CN13 Minicard connector for TV CN21 1394 PJ2 DC-IN connnector CN24 Line in PJ1 Battery connector CN25 Microphone JDIM1 DDR3 Channel A DIMM0 CN28 HP & SPDIF JDIM2 DR3 Channel A DIMM1 CN22 Second HDD JDIM4 DDR3 Channel B DIMM0 U44 ME ROM JDIM3 DDR3 Channel B DIMM1 U39 VRAM CN15 CRT board connector U40 VRAM U34 CPU socket U35 AMD GPU CN15 CPU fan connector U42 PCH U33 VRAM U42 Speaker connector U38 VRAM CN27 RTC CN16 CRT U45 Card reader CN17 HDMI CN22 Main HDD CN19 eSATA&USB CN18 ODD connector CN16: CRT CN17: HDMI CN19: eSATA&USB CN20: USB CN21: 1394 CN24: Line In CN25: MIC CN28: HP&SPDIF 190 Chapter 5
Clearing Password Check and BIOS Recovery This section provides a procedure for clearing the password and BIOS. The Hardware Open Gap on the main board clears the CMOS of all user settings and restores factory defaults. Mainboard CMOS Discharge Discharging the CMOS clears all user settings. 1. Disassemble the notebook and take out the Mainboard. See “Removing the Mainboard” on page 84. 2. Remove the RTC battery. See “Removing the RTC Battery” on page 86. 3. Turn the mainboard over and short the G2 pad. 4. Reconnect the RTC battery and reassemble the unit. Chapter 5 191
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Aspire 8943G Series Service Guide S
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Copyright Copyright © 2010 by Acer
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Preface Before using this informati
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Table of Contents VIII Removing the
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Table of Contents X
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TV Tuner Graphics • Digital TV-tu
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Privacy control • Acer Bio-Protec
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System Block Diagram Note: HM55 doe
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# Icon Item Description 6 Touchpad/
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Right View # Icon Item Description
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TouchPad Basics The following items
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Windows Keys The keyboard has two k
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Special Keys On models that support
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Core Logic Specifications Item Spec
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VRAM Item Specification Chipset AMD
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BIOS Item Specification BIOS vendor
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Bluetooth Bluetooth Controller Item
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I/O Ports Item Specification I/O su
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AC Adapter Item Specification Input
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30 Chapter 1
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Information The Information screen
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Security The Security screen contai
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Changing a Password 1. Use the ↑
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Exit The Exit screen allows you to
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4. In flash BIOS, the message Pleas
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Removing BIOS Passwords: If you key
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3. Enter the required key number of
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Pre-disassembly Instructions Before
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External Module Disassembly Process
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Removing the Battery Pack 1. Turn t
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Removing the Base Door 1. See “Re
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4. Pull the tab horizontally to sli
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Removing the WLAN Module 1. See “
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3. Remove the one (1) screw. Ensure
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4. Remove two (2) screws from the H
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4. Remove the two (2) screws from t
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4. Carefully flip the keyboard over
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Step Screw Quantity Part No. Therma
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7. Disconnect the Bluetooth cable (
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12. Remove the LCD module from the
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Removing the Bluetooth Module 1. Se
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Removing the Mainboard to Touchpad
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4. Unlock the connector securing th
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4. Unlock the connector and disconn
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3. Peel the cable off the adhesive.
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3. Peel the cable off the adhesive.
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Removing the Mainboard 1. See “Re
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Removing the RTC Battery 1. See “
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Removing the CPU 1. See “Removing
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Removing the Subwoofer and Back Spe
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6. Remove two (2) screws from the s
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Removing the DC-In Cable Assembly 1
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4. Lift the speaker from the lower
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LCD Module Disassembly Process IMPO
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3. Insert a plastic pry to separate
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3. Pry the bezel away starting at t
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Removing the LCD Panel 1. See “Re
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8. Remove the adhesive tape securin
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3. Remove the two (2) securing scre
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4. Lift the power board clear of th
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3. Replace the two (2) screws to se
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4. Secure the arcade board cable to
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6. Replace six (6) screws on the LC
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Replacing the Camera Board 1. Place
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3. Replace six (6) screws on the gl
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Main Unit Reassembly Process Replac
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Replacing the TV Tuner Cable Assemb
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3. Run the cable in the cable chann
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6. Complete the assembly by running
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Replacing the CPU IMPORTANT: The CP
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4. Replace the five (5) non-captive
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Replacing the USB Board 1. Place th
Page 150 and 151: Replacing the LAN Board 1. Place th
Page 152 and 153: Replacing the Finger Print Board 1.
Page 154 and 155: 6. Feed the end of the cable throug
Page 156 and 157: 5. Use a strip of adhesive tape to
Page 158 and 159: Replacing the Bluetooth Module 1. C
Page 160 and 161: Replacing the Microphone Cable 1. P
Page 162 and 163: 3. Place the LCD module on the chas
Page 164 and 165: 7. Replace the thirteen (13) screws
Page 166 and 167: 12. Adhere the LVDS cable to the up
Page 168 and 169: 3. Replace the keyboard by first li
Page 170 and 171: 4. Push the ODD completely into the
Page 172 and 173: 4. Grasp the tab and slide the HDD
Page 174 and 175: Replacing the TV Tuner Module 1. In
Page 176 and 177: 3. Connect the WLAN antenna cables.
Page 178 and 179: 4. Grasp the tab and slide the HDD
Page 180 and 181: Replacing the Battery 1. Hold the r
Page 182 and 183: Power On Issue If the system doesn
Page 184 and 185: 6. If the computer boots correctly,
Page 186 and 187: Built-In Keyboard Failure If the bu
Page 188 and 189: Internal Speaker Failure If the int
Page 190 and 191: 4. Right-click on the microphone an
Page 192 and 193: Intermittent Problems Intermittent
Page 194 and 195: Functionality Name (Include\ PostCo
Page 196 and 197: Functionality Name (Include\ PostCo
Page 198 and 199: 188 Chapter 4
Page 202 and 203: BIOS Recovery by Crisis Disk BIOS R
Page 204 and 205: LCD Assembly 1 2 3 4 Item Descripti
Page 206 and 207: CABLE CATEGORY Acer Description Ace
Page 208 and 209: CATEGORY Acer Description AcerPN CP
Page 210 and 211: KEYBOARD CATEGORY Acer Description
Page 212 and 213: CATEGORY Acer Description AcerPN DV
Page 214 and 215: CATEGORY Acer Description AcerPN AS
Page 216 and 217: MEMORY HEATSINK CATEGORY Acer Descr
Page 218 and 219: 208 Chapter 6
Page 220 and 221: Model AS8943G- 728G1.28T Wn AS8943G
Page 222 and 223: Model AS8943G- 724G1TMn AS8943G- 72
Page 224 and 225: Model AS8943G- 724G1TMn AS8943G- 72
Page 226 and 227: Model AS8943G- 728G1.28T Bn AS8943G
Page 228 and 229: Model AS8943G- 728G1.28T Bn AS8943G
Page 230 and 231: Model AS8943G- 728G1TBn AS8943G- 72
Page 234 and 235: Model AS8943G- 728G64Bn AS8943G- 72
Page 236 and 237: Model AS8943G- 724G64Mn AS8943G- 72
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Model AS8943G- 724G64Mn AS8943G- 72
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Model AS8943G- 434G1TBn AS8943G- 43
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Model AS8943G- 434G1TBn AS8943G- 43
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Model Country Acer P/N BOM Name CPU
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258 Appendix A AS8943G- 724G1TMn Be
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262 Appendix A AS8943G- 724G64Mn Ea
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264 Appendix A AS8943G- 724G64Mn Mi
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266 Appendix A AS8943G- 724G64W n C
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268 Appendix A AS8943G- 728G1.28 TB
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270 Appendix A AS8943G- 728G1TBn Au
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272 Appendix A AS8943G- 728G1TBn Se
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274 Appendix A AS8943G- 728G64Bn Gr
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Model Country Acer P/N VRAM 1 AS894
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Model Country AS8943G- 434G1TBn AS8
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Model Country AS8943G- 434G64Mn AS8
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Model Country AS8943G- 544G1TMn AS8
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Model Country AS8943G- 724G1TMn AS8
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Model Country AS8943G- 728G1.28T Bn
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Model Country AS8943G- 728G1.28T Bn
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Model Country AS8943G- 728G64Bn AS8
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Model Country Acer P/N Wireless LAN
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Vendor Type Description P/N WD N250
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Vendor Type Description P/N NONE SO
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348 Appendix B
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350
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N O P S T 352 Model Definition 209
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