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Acer Aspire 1640 Acer Aspire 1640 Service Guide - Page 62

The short could cause the main board or the antenna cable burned.

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IMPORTANT:When assembling/disassembling the main board, whenever there is a mylar on the main board (see the highlighted with red below; the mylar is sami-transparent, film-like stuff ), it should be transferred "if necessary" to the replacement main board. Because the main board mylar should be stuck to the main board to prevent the antenna cable and the main board components short circuit. The short could cause the main board or the antenna cable burned. Chapter 3 58

Section	Page
S.G_AS1640_CH1.pdf	7
Features	7
System Block Diagram	9
Board Layout	10
Top View	10
Bottom View	11
Panel	13
Front view	13
Closed front view	14
Left view	14
Right view	15
Rear view	15
Bottom view	16
Indicators	17
Launch Keys	18
Using the keyboard	19
Lock keys and embedded numeric keypad	19
Windows keys	20
Hot Keys	20
Special keys	21
Touchpad	23
Touchpad basics	23
Hardware Specifications and Configurations	25
S.G_AS1640_CH2.pdf	36
Navigating the BIOS Utility	37
Information	38
Main	39
Security	41
Boot	45
Exit	46
BIOS Flash Utility	47
S.G_AS1640_CH3.pdf	51
Before You Begin	51
Disassembly Procedure Flowchart	52
Removing the Battery Pack	54
Removing the HDD Module/the Memory and the Wireless LAN Card/ the Thermal Module and the CPU/ODD ...	55
Removing the HDD Module	55
Removing the Memory and the Wireless LAN Card	55
Removing the Thermal Module and CPU	56
Removing the ODD Module	57
Removing the LCD Module	57
Disassembling the Main Unit	59
Separate the Main Unit Into the Upper and the Lower Case Assembly	59
Disassembling the Upper Case Assembly	59
Disassembling the Lower Case Assembly	60
Disassembling the LCD Module	63
Disassembling the External Modules	65
Disassembling the HDD Module	65
Disassembling the Optical Drive Module	65
S.G_AS1640_CH4.pdf	67
External Diskette Drive Check	67
External CD-ROM Drive Check	67
Keyboard or Auxiliary Input Device Check	67
Memory check	68
Power System Check	68
Touchpad Check	70
Power-On Self-Test (POST) Error Message	71
Index of Error Messages	72
Phoenix BIOS Beep Codes	75
Index of Symptom-to-FRU Error Message	79
Intermittent Problems	82
Undetermined Problems	83
S.G_AS1640_CH6.pdf	85

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