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Acer Aspire 4935 Service Guide - Page 36

LCD 14, Specification, Typical White Luminance cd/m - weight

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LCD 14" Item Specification Vendor/model name • Samsung LTN140AT01-G01 • AUO B140XW01 • LG LP140WH1 • CMO N140B6 - L02 Screen Diagonal (mm) 355.6 (14.0") Display Area (mm) 309.399(H) X 173.952(V) Display resolution (pixels) 1366 x 768 Pixel Pitch 0.2265(H) x 0.2265(V) Display Mode Normally white Typical White Luminance (cd/m2) (also called Brightness) 220 (typ.) Contrast Ratio (typical) 500 Response Time (Optical Rise Time/Fall Time) msec 8 (typ.) Input Voltage 3.3V ±0.3V Typical Power Consumption (watt) 5W (max.) Weight 375g (max.) Physical Size (mm) 324.0(H) x 192.5(V) x 5.2(D) Electrical Interface LVDS Support Color 262,144 Viewing Angle (degree) Min. Typ. Horizontal 40 45 Vertical 40 45 CR => 10 10 15 25 30 Temperature Range (°C) Operating Storage (shipping) 0 to 50°C -20 to 60°C 26 Chapter 1

Section	Page
System Specifications	11
Features	11
System Block Diagram	14
Your Acer Notebook tour	15
Front View	15
Closed Front View	16
Left View	17
Right View	18
Rear View	18
Bottom View	19
Indicators	20
Easy-Launch Buttons	20
Touchpad Basics (with fingerprint reader)	21
Using the Keyboard	22
Lock Keys and embedded numeric keypad	22
Windows Keys	23
Hot Keys	24
Special Key	25
Using the System Utilities	26
Acer GridVista (dual-display compatible)	26
Hardware Specifications and Configurations	28
System Utilities	39
BIOS Setup Utility	39
Navigating the BIOS Utility	39
Information	40
Main	41
Advanced	42
Security	45
Power	48
Boot	50
Exit	51
BIOS Flash Utilities	52
DOS Flash Utility	53
WinFlash Utility	54
Remove HDD/BIOS Password Utilities	55
Miscellaneous Utilities	58
Machine Disassembly and Replacement	61
Disassembly Requirements	61
General Information	62
Pre-disassembly Instructions	62
Disassembly Process	62
External Module Disassembly Process	63
External Modules Disassembly Flowchart	63
Removing the Battery Pack	64
Removing the SD dummy card	65
Removing the ExpressCard dummy card	66
Removing the Lower Covers	67
Removing the WLAN Module	69
Removing the DIMM Modules	70
Removing the Hard Disk Drive Module	71
Removing the Optical Disk Drive Module	73
Main Unit Disassembly Process	75
Main Unit Disassembly Flowchart	75
Removing the Hinge Covers	77
Removing the Switch Cover	78
Removing the Keyboard	80
Removing the Function Board	81
Removing the Speaker Module	82
Removing the LCD Module	84
Removing the Upper Base	89
Removing the Finger Print Reader	92
Removing the TouchPad Bracket	94
Removing the eKey Board	96
Removing the Media Board	97
Removing the USB Board	99
Removing the Modem Module	101
Removing the Bluetooth Module	102
Removing the Mainboard	103
Removing the RJ-11 Port	105
Removing the Thermal Module	107
Removing the CPU	109
LCD Module Disassembly Process	110
LCD Module Disassembly Flowchart	110
Removing the LCD Bezel	111
Removing the Camera Module	113
Removing the LCD Panel	114
Removing the LCD Brackets and FPC Cable	116
Removing the Antennas	117
Removing the MIC Module	118
LCD Module Reassembly Procedure	119
Replacing the MIC Module	119
Replacing the Antennas	120
Replacing the LCD Panel	123
Replacing the Camera Module	125
Replacing the LCD Bezel	126
Main Module Reassembly Procedure	127
Replacing the CPU	127
Replacing the Thermal Module	128
Replacing the RJ-11 Port	129
Replacing the Mainboard	131
Replacing the Bluetooth Board	132
Replacing the Modem Module	132
Replacing the Finger Print Reader	136
Replacing the Upper Cover	137
Replacing the LCD Module	140
Replacing the Speaker Module	144
Replacing the Function Board	145
Replacing the Keyboard	146
Replacing the Switch Cover	147
Replacing the Hinge Covers	149
Replacing the ODD Module	150
Replacing the Hard Disk Drive Module	151
Replacing the DIMM Modules	151
Replacing the WLAN Module	152
Replacing the Lower Covers	152
Replacing the ExpressCard and SD Card Dummy Trays	153
Replacing the Battery	153
Troubleshooting	155
Common Problems	155
Power On Issue	156
No Display Issue	157
Random Loss of BIOS Settings	158
LCD Failure	159
Built-In Keyboard Failure	159
Touchpad Failure	160
Internal Speaker Failure	160
Internal Microphone Failure	162
HDD Not Operating Correctly	163
ODD Failure	164
USB Failure (Rightside)	167
Modem Function Failure	167
Wireless Function Failure	168
Bluetooth Function Failure	168
EasyTouch Button Failure	169
Media Board Failure	169
Fingerprint Reader Failure	170
Thermal Unit Failure	170
External Mouse Failure	171
Other Failures	171
Intermittent Problems	172
Undetermined Problems	172
POST Codes Tables	173
Sec:	173
Memory:	173
BDS & Specific action:	174
Each PEIM entry point used in 80_PORT	175
Each Driver entry point used in 80_PORT	175
Each SmmDriver entry point used in 80_PORT	178
Jumper and Connector Locations	179
Top View	179
Bottom View	180
Clearing Password Check and BIOS Recovery	181
Clearing Password Check	181
BIOS Recovery by Crisis Disk	182
FRU (Field Replaceable Unit) List	183
Aspire 4935/4935G Exploded Diagrams	184
Main Module	184
Aspire 4935/4935G FRU List	185
Screw List	192
Model Definition and Configuration	194
Aspire 4935/4935G Series	194
Test Compatible Components	233
Microsoft® Windows® Vista Environment Test	234
Online Support Information	239

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