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Acer Aspire 1420pt Service Guide

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    							Chapter 351
    Main Unit Disassembly Process
    IMPORTANT: Cable paths and positioning may not represent the actual model. During the removal and 
    replacement of components, ensure all available cable channels and clips are used and that the cables are 
    replaced in the same position.
    NOTE: The product previews seen in the disassembly procedures may not represent the final product color or 
    configuration.
    Main Unit Disassembly Flowchart
    Remove External
    Modules bef ore
    proceeding
    Remove
    Mainboard
    Remove
    Keyboard
    Remove
    Upper Cover
    Remove
    Thermal Module
    Remove
    LCD ModuleRemove
    Speaker Module
    Remove
    I/O Board
    Remove
    RTC Battery
    Remove
    Bluetooth Module
    Remove
    Button Board
    Remove
    LED BoardRemove
    CRT Board
    Remove
    Hinge Covers 
    						
    							52Chapter 3
    Screw List
    StepScrewQuantityPart No.
    Lower Cover M2*5 16 86.TPK07.001
    M2*4 6 86.W0107.003
    Upper Cover M2*5 6 86.TPK07.001
    M2*2.5 4 86.TPK07.001
    Hinge Cover M2*3 3 86.ARE07.002
    Button Board M2*3 2 86.ARE07.002
    I/O Board M2*4 1 86.W0107.003
    LED Board M2*4 2 86.W0107.003
    CRT Board M2*4 1 86.W0107.003
    Main Board M2*4 2 86.W0107.003
    Speaker M2*3 2 86.ARE07.002
    LCD Module M2*4 5 86.W0107.003 
    						
    							Chapter 353
    Removing the Keyboard
    IMPORTANT: The keyboard is easily warped or damaged during the removal process. Take care not to use 
    excessive force when removing the keyboard and replace if any damage occurs.
    1.See “Removing the Dummy Card” on page 42.
    2.Push in the four (4) latches on the top edge of the keyboard.
    3.Lift the keyboard up and flip over. 
    						
    							54Chapter 3
    4.Unlock the FPC.
    5.Remove the FPC and keyboard. 
    						
    							Chapter 355
    Removing the Hinge Covers
    1.Remove the three (3) screws.
    2.Push up on the hinge bezel firmly to loosen the hinge cap.
    3.Lift the LCD module to a partially open position.
    StepScrewQuantityScrew Type.
    Hinge Covers M2*3 3 
    						
    							56Chapter 3
    4.Remove the hinge cap.
    5.Remove the hinge bezel. 
    						
    							Chapter 357
    Removing the Upper Cover
    1.See “Removing the Keyboard” on page 53.
    2.See “Removing the Hinge Covers” on page 55.
    3.Remove the twenty-two (22) screws in the lower cover.
    4.Flip the computer over and unlock the button board cable.
    StepScrewQuantityScrew Type.
    Lower Cover M2*5 (Red Call Out) 16
    M2*4 (Green Call Out) 6 
    						
    							58Chapter 3
    5.Disconnect the button board cable.
    6.Remove the ten (10) screws in the upper cover.
    StepScrewQuantityScrew Type.
    Upper Cover M2*5 (Red Call Out) 6
    M2*2.5 (Green Call Out) 4 
    						
    							Chapter 359
    7.Pry the upper and lower covers apart at the location shown.
    8.Pry the front side open.
    9.Pry the left side open. 
    						
    							60Chapter 3
    10.Pull the upper cover away. 
    						
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