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Acer Aspire M3920 Service Guide - Page 89

Acer Aspire M3920 Manual

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Category KEYBOARD Chapter 6 Part Name KEYBOARD 105KEY USB LITE-ON SK9621B BLACK ITALIAN KEYBOARD 105KEY USB LITE-ON SK9621B BLACK FRENCH KEYBOARD 105KEY USB LITE-ON SK9621B BLACK SWEDISH KEYBOARD 105KEY USB LITE-ON SK9621B BLACK UK KEYBOARD 105KEY USB LITE-ON SK9621B BLACK DUTCH KEYBOARD 105KEY USB LITE-ON SK9621B BLACK SWISS/G KEYBOARD 105KEY USB ITE-ON SK9621B BLACK BELGIUM KEYBOARD 105KEY USB LITE-ON SK9621B BLACK ICELANDIC KEYBOARD 105KEY USB LITE-ON SK9621B BLACK NORWEGIAN KEYBOARD 104KEY USB LITE-ON SK9621B BLACK HEBREW KEYBOARD 105KEY USB LITE-ON SK9621B BLACK POLISH KEYBOARD 105KEY USB LITE-ON SK9621B BLACK SLOVENIAN KEYBOARD 105KEY USB LITE-ON SK9621B BLACK SLOVAK KEYBOARD 104KEY USB LITE-ON SK9621B BLACK RUSSIAN KEYBOARD 105KEY USB LITE-ON SK9621B BLACK HUNGARIAN KEYBOARD 104KEY USB LITE-ON SK9621B BLACK GREEK KEYBOARD 105KEY USB LITE-ON SK9621B BLACK DANISH KEYBOARD 104KEY USB ITE-ON SK9621B BLACK CZECH KEYBOARD 105KEY USB LITE-ON SK9621B BLACK ROMANIAN KEYBOARD 105KEY USB LITE-ON SK9621B BLACK TURKISH Description KB SK-9621B USB 105K BLACK ITALIAN KB SK-9621B USB 105K BLACK FRENCH KB SK-9621B USB 105K BLACK SWEDISH KB SK-9621B USB 105K BLACK UK KB SK-9621B USB 105K BLACK DUTCH KB SK-9621B USB 105K BLACK SWISS/ G KB SK-9621B USB 105K BLACK BELGIUM KB SK-9621B USB 105K BLACK ICELANDIC KB SK-9621B USB 105K BLACK NORWEGIAN KB SK-9621B USB 104K BLACK HEBREW KB SK-9621B USB 105K BLACK POLISH KB SK-9621B USB 105K BLACK SLOVENIAN KB SK-9621B USB 105K BLACK SLOVAK KB SK-9621B USB 104K BLACK RUSSIAN KB SK-9621B USB 105K BLACK HUNGARIAN KB SK-9621B USB 104K BLACK GREEK KB SK-9621B USB 105K BLACK DANISH KB SK-9621B USB 104K BLACK CZECH KB SK-9621B USB 105K BLACK ROMANIAN KB SK-9621B USB 105K BLACK TURKISH Acer Part No. KB.USB0B.342 KB.USB0B.343 KB.USB0B.344 KB.USB0B.345 KB.USB0B.346 KB.USB0B.347 KB.USB0B.348 KB.USB0B.349 KB.USB0B.350 KB.USB0B.351 KB.USB0B.352 KB.USB0B.353 KB.USB0B.354 KB.USB0B.355 KB.USB0B.356 KB.USB0B.357 KB.USB0B.358 KB.USB0B.359 KB.USB0B.360 KB.USB0B.361 81

Section	Page
Acer Aspire M3920 Service Guide	1
Features and Specifications	9
System Features	9
Audio	10
I/O Ports and LED Indicators	10
Physical Specifications	11
Environmental Requirements	11
Power Management Function(ACPI support function)	11
Device Standby Mode	11
Global Standby Mode	11
Suspend Mode	11
ACPI	12
Front View	12
Rear View	13
System Utilities	15
CMOS Setup Utility	15
Entering CMOS setup	16
Navigating Through the Setup Utility	16
Setup Utility Menus	17
Main	18
Advanced	19
Power	24
Security	25
Boot Options	26
Exit	27
System Disassembly	29
Disassembly Requirements	29
Pre-disassembly Procedure	29
Removing the Side Panel	30
Removing the Heatsink Fan Assembly	31
Removing the Processor	32
Removing the VGA Card	34
Removing the Mode Card	35
Removing the TV Card	36
Removing the Memory Modules	36
Removing the Hard Disk Drive	37
Removing the USB Board	40
Removing the Front Bezel	43
Removing the Optical Drive	45
Removing the Removable HDD	47
Removing the Card Reader	51
Removing the Power Supply	54
Removing the Mainboard	56
System Troubleshooting	59
Hardware Diagnostic Procedure	59
System Check Procedures	60
Power System Check	60
System External Inspection	60
System Internal Inspection	60
Beep Codes	61
Checkpoints	62
Viewing BIOS checkpoints	62
Bootblock Initialization Code Checkpoints	62
Bootblock Recovery Code Checkpoints	64
BIOS Recovery	65
System Architecture	67
Block Diagram	67
Mainboard Layout	68
Jumper Setting	69
Internal header pin definition	70
Connector pin definition	71
Connecting Optional Devices	73
Connecting Case Components	75
CPUFAN1: CPU Cooling Fan Power Connector	75
PWR2: ATX 24-pin Power Connector	76
PWR1: ATX 12V Power Connector	76
Front Panel Header	76
FRU (Field Replaceable Unit) List	77
Aspire M3920 Exploded Diagram	78

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