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Acer Aspire 4720Z Aspire 4720, G, Z, 4320 Service Guide - Page 10

System Block Diagram

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System Block Diagram NESTOS SYSTEM BLOCK DIAGRAM Y5 14.318MHZ Clock Generator SLG8SP512T U26 Merom CPU 479 Pin uFCPGA U21 FSB 667/800 Mhz CPU Thermal Sensor U5 TV-OUT TFT LCD Panel 14.1" WXGA CRT Bluetooth CN6 USB4 USB Port x 2 CN21,23 USB3,5 USB Port x 2 CN12 USB0,1 CCD CN1 USB2 AMP G1411 U19 Speaker CN5 AMP G1412 U18 SPDIF MXM Type II CN20 STD H9.9 PCI-Express X16 Lan TV-OUT LVDS VGA Intel NB Crestline 965GM/965PM 1299 Pin FBGA U22 Dual Channel DDR2 533/667 Mhz DDRII SODIMM0 SODIMM1 CN19 - H5.2 CN18 - H9.2 SATA HDD CN27 PATA ODD CN26 SATA0 PATA USB 2.0 Realtek Audio Codec ALC268 U17 Azalia Audio conn CN9 Internal MIC CN7 MIC In Line in MDC CN31 RJ11 CN17 X4 DMI interface Intel SB ICH8M NB82801HBM 676 Pin BGA PCI-e X1 PCI Bus interface MiniCard CN14 PCIE2 U6 RTC CN23 Y4 32.768KHZ Y3 32.768K LPC Winbond KBC PC8769L 1394 +Cardreader Controller Ricoh R5C832/R5C833 128 Pin TQFP BIOS U14 CIR U28 Touch Pad CN4 K/B CN3 FAN CN15 IEEE 1394 CN13 Card reader MMC SD MS MS DUO CN28,29,30 New Card POWER IC CN8 PCIE1 U24 Y1 25MHz BroadCom GIGA LAN BCM5787M 68 Pin QFN U2 PCIE3 Transformer U20 RJ45 CN16 4 Chapter 1

Section	Page
System Specifications	7
Features	7
System Block Diagram	10
Board Layout	11
Top View	11
Bottom View	12
Your Acer Notebook tour	13
Front View	13
Closed Front View	14
Left View	15
Right View	16
Rear view	16
Base view	17
Indicators	17
Easy-Launch Buttons	18
Touchpad Basics	19
Using the Keyboard	20
Lock Keys and embedded numeric keypad	20
Windows Keys	21
Hot Keys	22
Special Key	23
Acer Empowering Technology	24
Empowering Technology password	24
Acer eNet Management	25
Acer ePower Management	26
Acer eAudio Management	28
Acer ePresentation Management	29
Acer eDataSecurity Management	29
Acer eLock Management	31
Acer eRecovery Management	32
Acer eSettings Management	33
Getting to know your Acer Cystal Eye webcam	34
Using the System Utilities	35
Acer GridVista (dual-display compatible)	35
Launch Manager	36
Hardware Specifications and Configurations	37
System Utilities	45
BIOS Setup Utility	45
Navigating the BIOS Utility	46
Information	47
Main	48
Security	50
Boot	54
Exit	55
BIOS Flash Utility	56
Machine Disassembly and Replacement	57
General Information	58
Before You Begin	58
Disassembly Procedure Flowchart	59
Removing the Battery Pack	61
Removing the HDD Module/ODD Module/Memory/Wireless LAN Card/ Keyboard and the LCD Module	62
Removing the HDD Module	62
Removing the ODD Module	63
Removing the Memory	63
Removing the Wireless LAN Card	63
Removing the Keyboard and LCD Module	64
Disassembling the Main Unit	66
Separate the Main Unit Into the Upper and the Lower Case Assembly	66
Disassembling the Lower Case Assembly	66
Disassembling the Upper Case Assembly	67
Disassembling the Main Board	68
Disassembling the LCD Module	70
Disassembling the External Modules	71
Disassembling the HDD Module	71
Disassembling the ODD Module	71
Troubleshooting	73
System Check Procedures	74
External Diskette Drive Check	74
External CD-ROM Drive Check	74
Keyboard or Auxiliary Input Device Check	74
Memory check	75
Power System Check	75
Touchpad Check	77
Power-On Self-Test (POST) Error Message	78
Index of Error Messages	79
Phoenix BIOS Beep Codes	82
Index of Symptom-to-FRU Error Message	86
Intermittent Problems	89
Undetermined Problems	90
Jumper and Connector Locations	91
Top View	91
Bottom View	92
FRU (Field Replaceable Unit) List	93

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