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Acer Aspire 4920 Service Guide - Page 138

LTN141W3-L01-G LF Glare 200, Screw Mach Wafer M3xL4 Ni

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Category LCD module (cont.) Speaker Part Name LCD 14.1" WXGA Samsung LTN141W3-L01-G LF Glare 200 nits 16ms LCD 14.1" WXGA CMO N141l3L02 LF Glare 200 nits 16ms Microphone SAB Microphone FORG Microphone SHAN Description LCD 14.1" WXGA Samsung LTN141W3 LCD 14.1" WXGA CMO N141l3-L02 G Microphone cable SAB Microphone cable FORG Microphone cable SHAN Acer Part No. LK.14106.011 LK.1410D.016 23.42120.001 23.42123.001 23.42124.001 Speaker pack left/left Speaker 23.40297.001 Mainboard Mainboard Aspire4920 w/ RTC battery and PCMCIA slot w/o CPU and DIMM Tahoe MB-DIS 06252-1 w/o modem 55.4T901.051G RTC Battery RTC battery RTC battery PCMCIA slot/PC card slot PCMCIA slot Miscellaneous LCD screw rubber Name plate Media key Screws Screw Screw Screw Screw Screw Screw Screw Screw Screw Screw BTY RTC Mitsubishi ROHS BTY RTC Panasonic ROHS (UP) 23.TDMV1.001 23.22059.001 CONN Cardbus 4P 10057913- 21.H0153.001 Rub cirle LCD Name plate U-case Tahoe Media key Tahoe 47.4T901.001 42.4T913.001 42.4T907.001 Screw M2xL3 (white) Screw M2.5xL6 nylok CR3+ Screw M2.5xL8 nylok CR3+ Screw WAF M2x4 BZnylok CR3+ Screw M2x2.5 nylok Screw M2x4 nylok H0.3 Screw 2x6 nylok Screw Ni M2x6L Screw Mach Wafer M3xL4 Ni Screw wafer nylok Ni M2xL3 86.00C07.220 86.00E33.736 86.00E34.738 86.00E92.724 86.00F22.722 86.00F24.724 86.00F58.726 86.9A552.6R0 86.9A554.4R0 86.9A552.3R0 128 Chapter 4

Section	Page
Cover	1
Table of Contents	7
System Specification	11
Features	11
Your Acer Notebook Tour	14
Front View	14
Closed Front View	15
Left View	16
Right View	17
Rear Panel	17
Bottom Panel	18
Indicators	19
Easy-launch Buttons	20
MediaTouch Keys	21
Touchpad	22
Touchpad Basics	22
Using the Keyboard	24
Lock Keys and Embedded Numeric Keypad	24
Windows Keys	25
Hotkeys	26
Special Keys	27
Acer Empowering Technology	28
Empowering Technology Password	28
Acer eNet Management	29
Acer ePower Management	31
Acer eAudio Management	33
Acer ePresentation Management	34
Acer eDataSecurity Management	35
Acer eLock Management	36
Acer eRecovery Management	37
Acer eSettings Management	38
Windows Mobility Center	39
Using the System Utilities	40
Acer GridVista (dual-display compatible)	40
Launch Manager	41
Norton Internet Security	42
Hardware Specifications and Configurations	43
System Utilities	51
BIOS Setup Utility	51
Entering BIOS Setup	51
BIOS Setup Primary Menus	51
BIOS Setup Navigation Keys	51
Information Menu	52
Main Menu	53
Security Menu	54
Boot Menu	56
Exit Menu	57
Machine Disassembly and Replacement	59
Disassembly Requirements	59
General Information	60
Pre-disassembly Instructions	60
Disassembly Process	61
External Module Disassembly Process	62
External Modules Disassembly Flowchart	62
Removing the Battery Pack	63
Removing the SD Dummy Card	64
Removing the Express Dummy Card	64
Removing the Lower Cover	65
Removing the DIMM	66
Removing the WLAN Board Module	67
Removing the Hard Disk Drive Module	68
Removing the Optical Drive Module	69
Main Unit Disassembly Process	71
Main Unit Disassembly Flowchart	71
Removing the CPU Heatsink Module	72
Removing the CPU	73
Removing the Keyboard	74
Removing the Middle Cover	75
Removing the Power Board	76
Removing the Media Board	77
Removing the LCD Module	78
Separating the Upper Case from the Lower Case	80
Removing the Speaker Modules	83
Removing the Launch Board	84
Removing the Touchpad Board Module	85
Removing the Bluetooth Board	87
Removing the USB board	88
Removing the Mainboard	89
Removing the Modem Board	91
Removing the RTC Battery	93
LCD Module Disassembly Process	95
LCD Module Disassembly Flowchart	95
Removing the LCD Bezel	96
Removing the Camera Board	97
Removing the Inverter Board	98
Removing the LCD with Brackets	99
Removing the LCD Brackets	101
Removing the LCD Module Hinges	102
Removing the Antennas	103
Removing the Microphones	104
Troubleshooting	107
System Check Procedures	108
External CD/DVD-ROM Drive Check	108
Keyboard or Auxiliary Input Device Check	108
Memory Check	108
Power System Check	109
Touchpad Check	110
Power-On Self-Test (POST) Error Message	111
Index of Error Messages	112
Phoenix BIOS Beep Codes	114
Index of Symptom-to-FRU Error Message	118
Intermittent Problems	121
Undetermined Problems	122
System Block Diagram and Connector Locations	123
System Block Diagram	123
Board Layout	124
Top View	124
Bottom View	125
FRU (Field Replaceable Unit) List	129
Aspire 4920 Exploded Diagram	130
Aspire 4920 FRU List	131
Model Definition and Configuration	140
Aspire 4920	140
Test Compatible Components	143
Microsoft® Windows® Vista™ Compatibility Test	144

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