Aspire 8943G Series_SG - Acer Support

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Table of Contents VIII Removing the Microphone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Removing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 Removing the Mainboard to Touchpad Cable . . . . . . . . . . . . . . . . . . . . . . . . . .74 Removing the Touchpad Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 Removing the Finger Print Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77 Removing the LAN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Removing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86 Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86 Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88 Removing the PCH Heatsink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89 Removing the Subwoofer and Back Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . .90 Removing the TV Tuner Cable Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 Removing the DC-In Cable Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 Removing the Front Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 LCD Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98 LCD Module Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98 Removing the LCD Hinge Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Removing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 Removing the Camera Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 Removing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Removing the Arcade Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107 Removing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109 LCD Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111 Replacing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111 Replacing the Arcade Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113 Replacing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114 Replacing the Camera Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118 Replacing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118 Replacing the LCD Hinge Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120 Main Unit Reassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122 Replacing the Front Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122 Replacing the DC-In Cable Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125 Replacing the TV Tuner Cable Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126 Replacing the Subwoofer and Back Speaker . . . . . . . . . . . . . . . . . . . . . . . . . .127 Replacing the PCH Heatsink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131 Replacing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132 Replacing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133 Replacing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Replacing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Replacing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138 Replacing the LAN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 Replacing the Finger Print Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142 Replacing the Touchpad Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144 Replacing the Mainboard to Touchpad Cable . . . . . . . . . . . . . . . . . . . . . . . . . .146 Replacing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 Replacing the Microphone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 Replacing the Upper Cover and LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . .151 Replacing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157 Replacing the ODD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159 Replacing the Slave HDD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161 Replacing the TV Tuner Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164 Replacing the Wireless LAN Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165 Replacing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Table of Contents Replacing the Hard Disk Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167 Replacing the Base Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169 Replacing the Dummy Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169 Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170 Troubleshooting 171 Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171 Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172 No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173 Random Loss of BIOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174 LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175 Built-In Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176 TouchPad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177 Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178 Internal Microphone Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179 HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .180 USB Failure (Right up/down side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181 Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181 Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182 Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182 Post Code Reference Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183 Jumper and Connector Locations 189 Mainboard Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189 Mainboard Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190 Clearing Password Check and BIOS Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . .191 Mainboard CMOS Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .191 BIOS Recovery by Crisis Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .192 FRU (Field Replaceable Unit) List 193 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193 Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193 LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194 FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .195 Screw Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207 Model Definition and Configuration 209 Aspire 8943G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209 Test Compatible Components 343 Online Support Information 349 IX
Page 1 and 2: Aspire 8943G Series Service Guide S
Page 3 and 4: Copyright Copyright © 2010 by Acer
Page 5: Preface Before using this informati
Page 10 and 11: Table of Contents X
Page 12 and 13: TV Tuner Graphics • Digital TV-tu
Page 14 and 15: Privacy control • Acer Bio-Protec
Page 16 and 17: System Block Diagram Note: HM55 doe
Page 18 and 19: # Icon Item Description 6 Touchpad/
Page 20 and 21: Right View # Icon Item Description
Page 22 and 23: TouchPad Basics The following items
Page 24 and 25: Windows Keys The keyboard has two k
Page 26 and 27: Special Keys On models that support
Page 28 and 29: Core Logic Specifications Item Spec
Page 30 and 31: VRAM Item Specification Chipset AMD
Page 32 and 33: BIOS Item Specification BIOS vendor
Page 34 and 35: Bluetooth Bluetooth Controller Item
Page 36 and 37: I/O Ports Item Specification I/O su
Page 38 and 39: AC Adapter Item Specification Input
Page 40 and 41: 30 Chapter 1
Page 42 and 43: Information The Information screen
Page 44 and 45: Security The Security screen contai
Page 46 and 47: Changing a Password 1. Use the ↑
Page 48 and 49: Exit The Exit screen allows you to
Page 50 and 51: 4. In flash BIOS, the message Pleas
Page 52 and 53: Removing BIOS Passwords: If you key
Page 54 and 55: 3. Enter the required key number of
Page 56 and 57: Pre-disassembly Instructions Before
Page 58 and 59:
External Module Disassembly Process
Page 60 and 61:
Removing the Battery Pack 1. Turn t
Page 62 and 63:
Removing the Base Door 1. See “Re
Page 64 and 65:
4. Pull the tab horizontally to sli
Page 66 and 67:
Removing the WLAN Module 1. See “
Page 68 and 69:
3. Remove the one (1) screw. Ensure
Page 70 and 71:
4. Remove two (2) screws from the H
Page 72 and 73:
4. Remove the two (2) screws from t
Page 74 and 75:
4. Carefully flip the keyboard over
Page 76 and 77:
Step Screw Quantity Part No. Therma
Page 78 and 79:
7. Disconnect the Bluetooth cable (
Page 80 and 81:
12. Remove the LCD module from the
Page 82 and 83:
Removing the Bluetooth Module 1. Se
Page 84 and 85:
Removing the Mainboard to Touchpad
Page 86 and 87:
4. Unlock the connector securing th
Page 88 and 89:
4. Unlock the connector and disconn
Page 90 and 91:
3. Peel the cable off the adhesive.
Page 92 and 93:
3. Peel the cable off the adhesive.
Page 94 and 95:
Removing the Mainboard 1. See “Re
Page 96 and 97:
Removing the RTC Battery 1. See “
Page 98 and 99:
Removing the CPU 1. See “Removing
Page 100 and 101:
Removing the Subwoofer and Back Spe
Page 102 and 103:
6. Remove two (2) screws from the s
Page 104 and 105:
Removing the DC-In Cable Assembly 1
Page 106 and 107:
4. Lift the speaker from the lower
Page 108 and 109:
LCD Module Disassembly Process IMPO
Page 110 and 111:
3. Insert a plastic pry to separate
Page 112 and 113:
3. Pry the bezel away starting at t
Page 114 and 115:
Removing the LCD Panel 1. See “Re
Page 116 and 117:
8. Remove the adhesive tape securin
Page 118 and 119:
3. Remove the two (2) securing scre
Page 120 and 121:
4. Lift the power board clear of th
Page 122 and 123:
3. Replace the two (2) screws to se
Page 124 and 125:
4. Secure the arcade board cable to
Page 126 and 127:
6. Replace six (6) screws on the LC
Page 128 and 129:
Replacing the Camera Board 1. Place
Page 130 and 131:
3. Replace six (6) screws on the gl
Page 132 and 133:
Main Unit Reassembly Process Replac
Page 134 and 135:
Page 136 and 137:
Replacing the TV Tuner Cable Assemb
Page 138 and 139:
3. Run the cable in the cable chann
Page 140 and 141:
6. Complete the assembly by running
Page 142 and 143:
Replacing the CPU IMPORTANT: The CP
Page 144 and 145:
4. Replace the five (5) non-captive
Page 146 and 147:
Page 148 and 149:
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 200 and 201:
Mainboard Bottom View PJ2: DC-IN Co
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
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Model AS8943G- 728G1.28T Wn AS8943G
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Model AS8943G- 724G1TMn AS8943G- 72
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Model AS8943G- 724G1TMn AS8943G- 72
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Model AS8943G- 728G1.28T Bn AS8943G
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Model AS8943G- 728G1.28T Bn AS8943G
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Model AS8943G- 728G1TBn AS8943G- 72
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Page 234 and 235:
Model AS8943G- 728G64Bn AS8943G- 72
Page 236 and 237:
Model AS8943G- 724G64Mn AS8943G- 72
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Page 254 and 255:
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Model Country Acer P/N BOM Name CPU
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Page 264 and 265:
Page 266 and 267:
Page 268 and 269:
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
Page 312 and 313:
Model Country AS8943G- 434G64Mn AS8
Page 314 and 315:
Page 316 and 317:
Model Country AS8943G- 544G1TMn AS8
Page 318 and 319:
Model Country AS8943G- 724G1TMn AS8
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Page 322 and 323:
Page 324 and 325:
Model Country AS8943G- 728G1.28T Bn
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Model Country AS8943G- 728G1.28T Bn
Page 328 and 329:
Page 330 and 331:
Model Country AS8943G- 728G64Bn AS8
Page 332 and 333:
Model Country Acer P/N Wireless LAN
Page 334 and 335:
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Page 342 and 343:
Page 344 and 345:
Page 346 and 347:
Page 348 and 349:
Page 350 and 351:
Page 352 and 353:
Page 354 and 355:
Vendor Type Description P/N WD N250
Page 356 and 357:
Vendor Type Description P/N NONE SO
Page 358 and 359:
348 Appendix B
Page 360 and 361:
350
Page 362:
N O P S T 352 Model Definition 209
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