Acer Travelmate 4720 Service Guide
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Chapter 381 LCD Module Disassembly Process LCD Module Disassembly Flowchart Main Screw List ItemScrewPart No. C M2 x L3 86.9A552.3R0 E M2.5 x L6 86.00E33.736 H M2.5 x L5 86.00F87.735 I M2.5 x L5 86.00F00.735 LCD MODULE LCD BEZEL LEFT HINGERIGHT HINGE Ex2, Hx4 Ix1 Ix1 LCD ASSEMBLY LEFT LCD BRACKETCx4RIGHT LCD BRACKETCx4CCD BOARD INVERTER BOARD LCD BACK PANEL AUXILIARY ANTENNAMICROPHONE LCD MODULE DISASSEMBLY Hx1 Ix2 LCD FPC CABLE MAIN ANTENNA
82Chapter 3 Removing the LCD Bezel 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .Remove the six rounded screw caps as shown. 12.Remove the six screws (Ex2, Hx4) on the LCD module in the order as shown. StepSize (Quantity)ColorTo r q u e 1~4 M2.5 x L5 (4) Black 3.0 kgf-cm 5~6 M2.5 x L6 (2) Black 3.0 kgf-cm
Chapter 383 13. Carefully pry open the LCD bezel and remove the bezel from the LCD module. Removing the Inverter Board 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .See “Removing the LCD Bezel” on page 82. 12.Remove the screw (H) that hold the board to the panel. StepSize (Quantity)ColorTo r q u e 1 M2.5 x L5 (1) Black 3 kgf-cm
84Chapter 3 13.Turn the inverter board over. 14.Disconnect the inverter board cable from its connector, then disconnect the 2P cable on the inverter board. 15.Remove the inverter board. Removing the LCD with Brackets 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .See “Removing the LCD Bezel” on page 82.
Chapter 385 12.See “Removing the Inverter Board” on page 83. 13.Detach the CCD board cable from the CCD board, then remove the board. 14.Remove the two screws (I) securing the left and right LCD brackets to the LCD back cover. 15.Carefully detach the cables from the latches on the LCD bracket as shown. 16.Detach the LCD with the brackets from the back cover. StepSize (Quantity)ColorTo r q u e 1~2 M2.5 x L5 (2) Silver 2.5 kgf-cm
86Chapter 3 17.Turn the LCD panel over, then detach the acetic tapes holding the FPC cable to the edge of the LCD panel and detach the acetic tape securing the FPC connector. 18.Disconnect the FPC cable from the LCD panel. Removing the LCD Brackets 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .See “Removing the LCD Bezel” on page 82. 12.See “Removing the Inverter Board” on page 83. 13.See “Removing the LCD with Brackets” on page 84.
Chapter 387 14.Remove the eight screws (C) securing the left and right LCD brackets to remove the brackets. Removing the LCD Module Hinges 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .See “Removing the LCD Bezel” on page 82. 12.See “Removing the Inverter Board” on page 83. 13.See “Removing the LCD with Brackets” on page 84. 14.See “Removing the LCD Brackets” on page 86. 15.Remove the two screws (I) securing the left and right LCD module hinges. StepSize (Quantity)ColorTo r q u e 1~8 M2 x L3 (8) Silver 1.6 kgf-cm StepSize (Quantity)ColorTo r q u e 1~2 M2.5 x L5 (2) Black 2.5 kgf-cm
88Chapter 3 16.Remove the left and right hinges from the LCD back cover. Removing the Antennas 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .See “Removing the LCD Bezel” on page 82. 12.See “Removing the Inverter Board” on page 83. 13.See “Removing the LCD with Brackets” on page 84. 14.Detach the gasket tape holding the right antenna in place, remove the antenna bracket, then carefully remove the antenna.
Chapter 389 15.Detach the gasket tape holding the left antenna in place, remove the antenna bracket, then carefully remove the antenna. Removing the Microphone 1.See “Removing the Battery Pack” on page 51. 2.See “Removing the SD Dummy Card” on page 51. 3.See “Removing the Express Dummy Card” on page 52. 4.See “Removing the Lower Cover” on page 53. 5.See “Removing the Fan Module” on page 60. 6.See “Removing the CPU Heatsink Module” on page 61. 7.See “Removing the CPU” on page 62. 8.See “Removing the Middle Cover” on page 64. 9.See “Removing the Keyboard” on page 65. 10.See “Removing the LCD Module” on page 66. 11 .See “Removing the LCD Bezel” on page 82. 12.See “Removing the Inverter Board” on page 83. 13.See “Removing the LCD with Brackets” on page 84. 14.See “Removing the Antennas” on page 88. 15.Carefully remove the microphone cable from underneath the adhesive aluminum foil.