Acer Aspire 4252/4552/4552G_SG

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Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Place the system on a flat, stable surface. 48 Chapter 3
Disassembly Process The disassembly process is divided into the following stages: • External module disassembly • Main unit disassembly • LCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order of the sequence to avoid damage to any of the hardware components. For example, if you want to remove the mainboard, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Main Screw List Screw Quantity Part Number M2.0*3.0-I 15 86.ARE07.002 M2.5*4.0-I 9 86.R6Z07.001 M2.5*5.0-I 2 86.T23V7.010 M2.5*6.5-I 22 86.ARE07.001 M3.0X3.5-NIH 4 86.N1407.007 M2-0.4*2-I 1 86.W4107.002 Chapter 3 49
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Acer Aspire 4252/4552/4552G Service
Page 3 and 4:
Copyright Copyright © 2010 by Acer
Page 5:
Preface Before using this informati
Page 8 and 9: Table of Contents Removing the Blue
Page 10 and 11: Table of Contents X
Page 12 and 13: Graphics Aspire 4252 and 2552 • A
Page 14 and 15: Input and control • Keyboard •
Page 16 and 17: System Block Diagram 25MHz LAN BROA
Page 18 and 19: # Icon Item Description 8 Power ind
Page 20 and 21: 5 Emergency eject hole Base View No
Page 22 and 23: Touchpad Basics The following items
Page 24 and 25: Windows Keys The keyboard has two k
Page 26 and 27: Hardware Specifications and Configu
Page 28 and 29: CPU Fan True Value Table (CPU) Fan
Page 30 and 31: Memory Combinations Slot 1 Slot 2 T
Page 32 and 33: Hard Disk Drive Interface (continue
Page 34 and 35: HDMI Port Item Specification Compli
Page 36 and 37: Super-Multi Drive Module (continued
Page 38 and 39: Main Battery Item LCD Inverter (Not
Page 40 and 41: Card Reader Chipset Features Item S
Page 42 and 43: Information The Information screen
Page 44 and 45: Security The Security screen contai
Page 46 and 47: Changing a Password 1. Use the ↑
Page 48 and 49: Exit The Exit screen allows you to
Page 50 and 51: BIOS Flash Utility The BIOS flash m
Page 52 and 53: Removing BIOS Passwords: If you key
Page 54 and 55: Miscellaneous Utilities Using Boot
Page 56 and 57: 46 Chapter 2
Page 60 and 61: External Modules Disassembly Proces
Page 62 and 63: Removing the SD Dummy Card 1. See
Page 64 and 65: 5. Unlock the keyboard FPC and disc
Page 66 and 67: 4. Remove the ODD bezel by rotating
Page 68 and 69: Removing the Lower Cover 1. See “
Page 70 and 71: Removing the DIMM Modules 1. See
Page 72 and 73: 4. Detach and remove the WLAN board
Page 74 and 75: Removing the RTC Battery 1. See “
Page 76 and 77: Removing the HDD Module 1. See “R
Page 78 and 79: Removing the LCD Module 1. See “R
Page 80 and 81: Removing the Thermal Module 1. See
Page 82 and 83: Removing the CPU 1. See “Removing
Page 84 and 85: 4. Lift the mainboard away the lowe
Page 86 and 87: Removing the LCD Bezel 1. See “Re
Page 88 and 89: Removing the Camera Module 1. See
Page 90 and 91: 4. Lift the LCD panel clear of the
Page 92 and 93: Removing the WLAN Antennas 1. See
Page 94 and 95: Replacing the LVDS Cable 1. Turn th
Page 96 and 97: Removing the LCD Panel 1. Place the
Page 98 and 99: Replacing the Camera Module 1. Conn
Page 100 and 101: 4. Apply pressure along the bottom
Page 102 and 103: Main Unit Assembly Process Replacin
Page 104 and 105: Replacing the CPU IMPORTANT:The CPU
Page 106 and 107: 5. Connect the fan cable as shown.
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3. Connect and lock the LVDS cable.
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3. Connect the Bluetooth cable to t
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Step Size Quantity Screw Type HDD M
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Replacing the USB Board 1. Place th
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3. Connect the two (2) antenna cabl
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Replacing the Lower Cover 1. Place
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3. Push the ODD module into the ODD
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Replacing the SD dummy card 1. Inse
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Power On Issue If the system doesn
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Abnormal Video Display If video dis
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Touchpad Failure If the Touchpad do
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HDD Not Operating Correctly If the
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a. Double-click lDE ATA/ATAPI contr
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Wireless Function Failure If the WL
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Intermittent Problems Intermittent
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Code Beeps POST Routine Description
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Code Beeps POST Routine Description
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Bottom View 2 1 3 4 5 6 7 8 9 10 11
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BIOS Recovery by Crisis Disk BIOS R
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Acer Aspire 4252/4552/4552G Explode
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Acer Aspire 4252/4552/4552G FRU Lis
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Category Description P/N CPU/PROCES
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LCD Category Description P/N Keyboa
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Category Description P/N LCD BRACKE
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Appendix A Model Definition and Con
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Model Country Acer Part No Memory 1
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AS4552- P541G32Mnrr AS4552- P542G25
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Model Country Acer Part No BOM Name
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Page 166 and 167:
AS4552G- N954G75Mnrr AS4552G- N954G
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Model Country Acer Part No BOM Name
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Page 172 and 173:
Vendor Type Description P/N AMDISS
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164 Appendix B
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166 Appendix C
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R S T U W RTC Battery 70, 97 SD Car
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Acer Aspire 4252/4552/4552G_SG

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