Acer Travelmate 7720 Service Guide
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Chapter 381 4.Carefully pry the keyboard out of the side latches and slide it out; then turn it over on the touchpad area. 5.Disconnect the keyboard cable from the main board to remove the keyboard. Removing the LCD Module 1.See “Removing the Battery Pack” on page 62. 2.See “Removing the Lower Cover” on page 64. 3.See “Removing the WLAN Board Modules” on page 68. 4.See “Removing the Middle Cover and the Power Board” on page 78. 5.See “Removing the Keyboard” on page 80. SG_Tangiz.book Page 81 Tuesday, July 10, 2007 11:01 AM
82Chapter 3 6.Remove the acetic tape and disconnect the LCD coaxial cable from the LCD1 connector on the main board. 7.Remove the internal microphone cable from the INTMIC1 connector on the main board and release the cables from the latches. SG_Tangiz.book Page 82 Tuesday, July 10, 2007 11:01 AM
Chapter 383 8.Release the wireless LAN antenna cables from the hole and latches as shown. 9.Remove the two screws (A) from the base of the unit. 10.Remove the two screws (H) from the left and right hinge of the LCD module. StepSize (Quantity)ColorTo r q u e 1~2 M2.5 x L6 (2) Black 4.0 kgf-cm StepSize (Quantity)ColorTo r q u e 1~2 M2.5 x L8 (2) Black 4.0 kgf-cm SG_Tangiz.book Page 83 Tuesday, July 10, 2007 11:01 AM
84Chapter 3 11 .Carefully remove the LCD module from the base unit. NOTE: When connecting the cable back to the unit, please note that the cable should be routed well. Separating the Upper Case from the Lower Case 1.See “Removing the Battery Pack” on page 62. 2.See “Removing the SD dummy card” on page 63. 3.See “Removing the PC and ExpressCard dummy cards” on page 63. 4.See “Removing the Lower Cover” on page 64. 5.See “Removing the Secondary HDD Cover” on page 65. 6.See “Removing the Secondary HDD Bracket and Connector” on page 66. 7.See “Removing the DIMM” on page 68. 8.See “Removing the WLAN Board Modules” on page 68. 9.See “Removing the Hard Disk Drive Module” on page 69. 10.See “Removing the Optical Drive Module” on page 70. 11 .See “Removing the Modem Board” on page 73. 12.See “Removing the Heatsink Fan Module” on page 74. 13.See “Removing the CPU and VGA Heatsink Module” on page 75. 14.See “Removing the CPU” on page 77. 15.See “Removing the VGA board (for Discrete model only)” on page 77. 16.See “Removing the Middle Cover and the Power Board” on page 78. 17.See “Removing the Keyboard” on page 80. 18.See “Removing the LCD Module” on page 81. 19.Disconnect the cover switch cable from LID1 on the main board. SG_Tangiz.book Page 84 Tuesday, July 10, 2007 11:01 AM
Chapter 385 20.Disconnect the DC in cable from the main board. 21.Disconnect the Launch board cable from the SWITCHCN1 from the main board. 22.Disconnect the fingerprint cable (select model only) from the FPCN1 connector on the main board. 23.Disconnect the touchpad cable from the TOUCHPAD1 on the main board. SG_Tangiz.book Page 85 Tuesday, July 10, 2007 11:01 AM
86Chapter 3 24.Remove the twenty screws (A) on the bottom and top panel. 25.Gently pry the upper case from the main unit. 26.Remove the upper case from the main unit. Removing the Launch Board 1.See “Removing the Battery Pack” on page 62. 2.See “Removing the SD dummy card” on page 63. 3.See “Removing the PC and ExpressCard dummy cards” on page 63. 4.See “Removing the Lower Cover” on page 64. 5.See “Removing the Secondary HDD Cover” on page 65. 6.See “Removing the Secondary HDD Bracket and Connector” on page 66. 7.See “Removing the DIMM” on page 68. 8.See “Removing the WLAN Board Modules” on page 68. 9.See “Removing the Hard Disk Drive Module” on page 69. 10.See “Removing the Optical Drive Module” on page 70. 11 .See “Removing the Modem Board” on page 73. StepSize (Quantity)ColorTo r q u e 1~20 M2.5 x L6 (20) Black 3.0 kgf-cm SG_Tangiz.book Page 86 Tuesday, July 10, 2007 11:01 AM
Chapter 387 12.See “Removing the Heatsink Fan Module” on page 74. 13.See “Removing the CPU and VGA Heatsink Module” on page 75. 14.See “Removing the CPU” on page 77. 15.See “Removing the VGA board (for Discrete model only)” on page 77. 16.See “Removing the Middle Cover and the Power Board” on page 78. 17.See “Removing the Keyboard” on page 80. 18.See “Removing the LCD Module” on page 81. 19.See “Separating the Upper Case from the Lower Case” on page 84. 20.Remove the one screw (J) holding the launch board and remove the launch board from the upper cover. Removing the Touch Pad Board Module 1.See “Removing the Battery Pack” on page 62. 2.See “Removing the SD dummy card” on page 63. 3.See “Removing the PC and ExpressCard dummy cards” on page 63. 4.See “Removing the Lower Cover” on page 64. 5.See “Removing the Secondary HDD Cover” on page 65. 6.See “Removing the Secondary HDD Bracket and Connector” on page 66. 7.See “Removing the DIMM” on page 68. 8.See “Removing the WLAN Board Modules” on page 68. 9.See “Removing the Hard Disk Drive Module” on page 69. 10.See “Removing the Optical Drive Module” on page 70. 11 .See “Removing the Modem Board” on page 73. 12.See “Removing the Heatsink Fan Module” on page 74. 13.See “Removing the CPU and VGA Heatsink Module” on page 75. StepSize (Quantity)ColorTo r q u e 1 M2 x L4 (1) Black 1.6 kgf-cm SG_Tangiz.book Page 87 Tuesday, July 10, 2007 11:01 AM
88Chapter 3 14.See “Removing the CPU” on page 77. 15.See “Removing the VGA board (for Discrete model only)” on page 77. 16.See “Removing the Middle Cover and the Power Board” on page 78. 17.See “Removing the Keyboard” on page 80. 18.See “Removing the LCD Module” on page 81. 19.See “Separating the Upper Case from the Lower Case” on page 84. 20.Remove the fingerprint cable from the fingerprint board. 21.Remove the touch pad cable from the touch pad board. SG_Tangiz.book Page 88 Tuesday, July 10, 2007 11:01 AM
Chapter 389 22.Remove the four screws (C) on the touch pad bracket and remove the touch pad bracket from the upper case. 23.Remove the fingerprint board from the upper case. StepSize (Quantity)ColorTorque 1~4 M2 x L4 (4) Silver 1.6 kgf-cm SG_Tangiz.book Page 89 Tuesday, July 10, 2007 11:01 AM
90Chapter 3 24.Carefully pry loose and remove the touch pad board. WARNING:The touchpad board is glued to the upper case, only remove the touchpad board if it is defective. Removing the Main Board 1.See “Removing the Battery Pack” on page 62. 2.See “Removing the SD dummy card” on page 63. 3.See “Removing the PC and ExpressCard dummy cards” on page 63. 4.See “Removing the Lower Cover” on page 64. 5.See “Removing the Secondary HDD Cover” on page 65. 6.See “Removing the Secondary HDD Bracket and Connector” on page 66. 7.See “Removing the DIMM” on page 68. 8.See “Removing the WLAN Board Modules” on page 68. 9.See “Removing the Hard Disk Drive Module” on page 69. 10.See “Removing the Optical Drive Module” on page 70. 11 .See “Removing the Modem Board” on page 73. 12.See “Removing the Heatsink Fan Module” on page 74. 13.See “Removing the CPU and VGA Heatsink Module” on page 75. 14.See “Removing the CPU” on page 77. 15.See “Removing the VGA board (for Discrete model only)” on page 77. 16.See “Removing the Middle Cover and the Power Board” on page 78. 17.See “Removing the Keyboard” on page 80. 18.See “Removing the LCD Module” on page 81. 19.See “Separating the Upper Case from the Lower Case” on page 84. SG_Tangiz.book Page 90 Tuesday, July 10, 2007 11:01 AM