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Acer Aspire 3000 Aspire 3000 / 3500 / 5000 Service Guide - Page 78

Check the Power Adapter, An audible noise from the power adapter does not always indicate a defect. - power cord

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Check the Power Adapter Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power adapter cable. See the following figure Pin 1: +19 to +20.5V Pin 2: 0V, Ground 1. If the voltage is not correct, replace the power adapter. 2. If the voltage is within the range, do the following: T Replace the System board. T If the problem is not corrected, see "Undetermined Problems" on page 83. T If the voltage is not correct, go to the next step. NOTE: An audible noise from the power adapter does not always indicate a defect. 3. If the power-on indicator does not light up, check the power cord of the power adapter for correct continuity and installation. 4. If the operational charge does not work, see "Check the Battery Pack" on page 70. 69 Chapter 4

Section	Page
Aspire 3000/3500/5000	1
Revision History	2
Copyright	3
Disclaimer	3
Table of Contents	7
System Introduction	10
Features	10
System Block Diagram (For Aspire 3000/5000)	12
System Block Diagram (For Aspire 3500)	13
Board Layout (For Aspire 3000/5000)	14
Top View	14
Bottom View	15
Panel	17
Front view	17
Closed front view	18
Left view	18
Right view	19
Rear view	19
Bottom view	20
Indicators	21
Launch Keys	22
Using the keyboard	23
Lock keys and embedded numeric keypad	23
Windows keys	24
Hot Keys	24
Special keys	25
Touchpad	27
Touchpad basics	27
Hardware Specifications and Configurations	29
System Utilities	41
BIOS Setup Utility	41
Navigating the BIOS Utility	42
Information	43
Main	44
Security	46
Boot	50
Exit	51
BIOS Flash Utility	52
Machine Disassembly and Replacement	55
General Information	56
Before You Begin	56
Disassembly Procedure Flowchart	57
Removing the Battery	59
Removing the Hard Disc Drive Module	59
Disassembling the Hard Disc Drive Module	59
Removing the Optical Disc Drive Module	60
Disassembling the Optical Disc Drive Module	60
Removing the Memory	60
Removing the LCD Module	62
Removing the Middle Cover	62
Removing the Keyboard	62
Removing the Fan, the CPU Thermal Module and the CPU	62
Removing the Wireless LAN Card	63
Removing the LCD Module	64
Disassembling the LCD Module	65
Removing the LCD Bezel	65
Disassembling the Main Unit	67
Removing the Upper Case Assembly	67
Removing the Power Board	67
Removing the Touchpad Bracket, the Touchpad Board and the Touchpad	68
Removing the Speaker Set	69
Removing the SW DJ Board Assembly	69
Removing the Audio Board	70
Removing the VGA Thermal Module	70
Removing the Modem Board	71
Removing the Main Board	71
Removing the Control Board	72
Troubleshooting	75
System Check Procedures	76
External Diskette Drive Check	76
External CD-ROM Drive Check	76
Keyboard or Auxiliary Input Device Check	76
Memory check	77
Power System Check	77
Touchpad Check	79
Power-On Self-Test (POST) Error Message	80
Index of Error Messages	81
Phoenix BIOS Beep Codes	84
Index of Symptom-to-FRU Error Message	88
Intermittent Problems	91
Undetermined Problems	92
Jumper and Connector Locations	93
Top View	93
Bottom View	95
FRU (Field Replaceable Unit) List	97
Aspire 3000/5000 Exploded Diagram	98
Model Definition and Configuration	110
Aspire 3000/3500/5000 Series	110
Test Compatible Components	113
Microsoft Windows XP Environment Test	114

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