TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 8
... Removing the Battery Pack 62 Removing the SD dummy card 63 Removing the PC and ExpressCard dummy cards 63 Removing the Lower Cover 64 Removing the Secondary HDD Cover 65 Removing the Secondary HDD Bracket and Connector 66 Removing the DIMM 68 Removing the WLAN Board Modules 68 Removing the Hard...Heatsink Module 75 Removing the CPU 77 Removing the VGA board (for Discrete model only 77 Removing the Middle Cover and the Power Board 78 Removing the Keyboard 80 Removing the LCD Module 81 Separating the Upper Case from the Lower Case 84 Removing the Launch Board 86 Removing the Touch ...
... Removing the Battery Pack 62 Removing the SD dummy card 63 Removing the PC and ExpressCard dummy cards 63 Removing the Lower Cover 64 Removing the Secondary HDD Cover 65 Removing the Secondary HDD Bracket and Connector 66 Removing the DIMM 68 Removing the WLAN Board Modules 68 Removing the Hard...Heatsink Module 75 Removing the CPU 77 Removing the VGA board (for Discrete model only 77 Removing the Middle Cover and the Power Board 78 Removing the Keyboard 80 Removing the LCD Module 81 Separating the Upper Case from the Lower Case 84 Removing the Launch Board 86 Removing the Touch ...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 83
... Unit Disassembly Flowchart MAIN UNIT DISASSEMBLY MAIN UNIT Cx2 HEAT SINK FAN C x9 (Cx5 for UMA module) MIDDLE COVER Cx2 MODEM BOARD CPU/VGA THERMAL MODULE CPU Dx2 VGA BOARD KEYBOARD Ax2 Hx2 LCD MODULE Cx 1 POWER BOARD A x 20 UPPER CASE Jx1 Cx4 MAIN BOARD LAUNCH BOARD Cx4 TOUCH PAD BRACKET ASSEMBLY... Part No. 86.00E33.736 86.9A552.4R0 86.00E74.335 86.00E34.738 86.00F24.724 Removing the Modem Board 1. See "Removing the Lower Cover" on page 62. 2. See "Removing the Battery Pack" on page 64. Chapter 3 73
... Unit Disassembly Flowchart MAIN UNIT DISASSEMBLY MAIN UNIT Cx2 HEAT SINK FAN C x9 (Cx5 for UMA module) MIDDLE COVER Cx2 MODEM BOARD CPU/VGA THERMAL MODULE CPU Dx2 VGA BOARD KEYBOARD Ax2 Hx2 LCD MODULE Cx 1 POWER BOARD A x 20 UPPER CASE Jx1 Cx4 MAIN BOARD LAUNCH BOARD Cx4 TOUCH PAD BRACKET ASSEMBLY... Part No. 86.00E33.736 86.9A552.4R0 86.00E74.335 86.00E34.738 86.00F24.724 Removing the Modem Board 1. See "Removing the Lower Cover" on page 62. 2. See "Removing the Battery Pack" on page 64. Chapter 3 73
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 88
... Pack" on the other side until you could detach the Middle Cover. 78 Chapter 3 Open the LCD screen all the way to facilitate the easy removal of the middle cover and gently pry up the middle cover. Torque 1.6 kgf-cm Removing the Middle Cover and the Power Board 1. Carefully remove the VGA board from the...
... Pack" on the other side until you could detach the Middle Cover. 78 Chapter 3 Open the LCD screen all the way to facilitate the easy removal of the middle cover and gently pry up the middle cover. Torque 1.6 kgf-cm Removing the Middle Cover and the Power Board 1. Carefully remove the VGA board from the...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 91
See "Removing the Keyboard" on page 64. 3. See "Removing the Lower Cover" on page 80. See "Removing the WLAN Board Modules" on page 62. 2. Removing the LCD Module 1. Carefully pry the keyboard out of the side latches and slide it over on page 78. 5. See "Removing the Battery Pack" on page 68. 4. Chapter 3 81 4. Disconnect the keyboard cable from the main board to remove the keyboard. See "Removing the Middle Cover and the Power Board" on the touchpad area. 5. then turn it out;
See "Removing the Keyboard" on page 64. 3. See "Removing the Lower Cover" on page 80. See "Removing the WLAN Board Modules" on page 62. 2. Removing the LCD Module 1. Carefully pry the keyboard out of the side latches and slide it over on page 78. 5. See "Removing the Battery Pack" on page 68. 4. Chapter 3 81 4. Disconnect the keyboard cable from the main board to remove the keyboard. See "Removing the Middle Cover and the Power Board" on the touchpad area. 5. then turn it out;
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
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...68. 8. Separating the Upper Case from LID1 on the main board. 84 Chapter 3 See "Removing the LCD Module" on page 64. 5. Disconnect the cover switch cable from the Lower Case 1. See "Removing the Lower Cover" on page 81. 19. 11. See "Removing the PC and ExpressCard dummy cards" on page 66.... Modem Board" on page 62. 2. See "Removing the Battery Pack" on page 73. 12. See "Removing the Secondary HDD Cover" on page 78. 17. See "Removing the Middle Cover and the Power Board" on page 65. 6. See "Removing the Optical Drive Module" on page 75. 14. See "Removing ...
...68. 8. Separating the Upper Case from LID1 on the main board. 84 Chapter 3 See "Removing the LCD Module" on page 64. 5. Disconnect the cover switch cable from the Lower Case 1. See "Removing the Lower Cover" on page 81. 19. 11. See "Removing the PC and ExpressCard dummy cards" on page 66.... Modem Board" on page 62. 2. See "Removing the Battery Pack" on page 73. 12. See "Removing the Secondary HDD Cover" on page 78. 17. See "Removing the Middle Cover and the Power Board" on page 65. 6. See "Removing the Optical Drive Module" on page 75. 14. See "Removing ...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 97
... launch board from the Lower Case" on page 84. 20. See "Removing the CPU" on page 75. 14. See "Removing the LCD Module" on page 65. 6. See "Removing the Secondary HDD Cover" on page 81. 19. See "Removing the Modem Board" on page 62. 2. Chapter 3 87 See "Removing the Battery Pack" ... Board Modules" on page 68. 8. See "Removing the DIMM" on page 68. 9. See "Removing the Keyboard" on page 78. 17. See "Removing the Middle Cover and the Power Board" on page 80. 18. See "Removing the Heatsink Fan Module" on page 77. 16. See "Removing the VGA board (for Discrete...
... launch board from the Lower Case" on page 84. 20. See "Removing the CPU" on page 75. 14. See "Removing the LCD Module" on page 65. 6. See "Removing the Secondary HDD Cover" on page 81. 19. See "Removing the Modem Board" on page 62. 2. Chapter 3 87 See "Removing the Battery Pack" ... Board Modules" on page 68. 8. See "Removing the DIMM" on page 68. 9. See "Removing the Keyboard" on page 78. 17. See "Removing the Middle Cover and the Power Board" on page 80. 18. See "Removing the Heatsink Fan Module" on page 77. 16. See "Removing the VGA board (for Discrete...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 98
See "Removing the CPU" on page 78. 17. See "Removing the Middle Cover and the Power Board" on page 77. 15. See "Removing the Keyboard" on page 77. 16. See "Removing the VGA board (for Discrete model only)" on page 80. 18. Remove the touch pad cable from the fingerprint board. 21. See "Removing the LCD Module" on page 84. 20. 14. Remove the fingerprint cable from the touch pad board. 88 Chapter 3 See "Separating the Upper Case from the Lower Case" on page 81. 19.
See "Removing the CPU" on page 78. 17. See "Removing the Middle Cover and the Power Board" on page 77. 15. See "Removing the Keyboard" on page 77. 16. See "Removing the VGA board (for Discrete model only)" on page 80. 18. Remove the touch pad cable from the fingerprint board. 21. See "Removing the LCD Module" on page 84. 20. 14. Remove the fingerprint cable from the touch pad board. 88 Chapter 3 See "Separating the Upper Case from the Lower Case" on page 81. 19.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
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See "Removing the Secondary HDD Cover" on page 66. 7. See "Removing the Secondary HDD Bracket and Connector" on page 65. 6. See ..."Removing the PC and ExpressCard dummy cards" on page 84. 90 Chapter 3 See "Removing the Middle Cover and the Power Board" on page 70. 11. See "Removing the Optical Drive Module" on page 78. 17. See "Removing ...the LCD Module" on page 63. 3. See "Removing the SD dummy card" on page 81. 19. See "Removing the Lower Cover" on page 73. 12. See "Removing the Modem Board" on page 64...
See "Removing the Secondary HDD Cover" on page 66. 7. See "Removing the Secondary HDD Bracket and Connector" on page 65. 6. See ..."Removing the PC and ExpressCard dummy cards" on page 84. 90 Chapter 3 See "Removing the Middle Cover and the Power Board" on page 70. 11. See "Removing the Optical Drive Module" on page 78. 17. See "Removing ...the LCD Module" on page 63. 3. See "Removing the SD dummy card" on page 81. 19. See "Removing the Lower Cover" on page 73. 12. See "Removing the Modem Board" on page 64...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 102
...the bottom panel. See "Removing the Secondary HDD Bracket and Connector" on page 68. 8. See "Removing the DIMM" on page 66. 7. See "Removing the LCD Module" on page 68. 9. See "Removing the WLAN Board Modules" on page 81. 19. See "Removing the Optical Drive Module" on page 63. 4. ...See "Removing the PC and ExpressCard dummy cards" on page 70. 11. See "Removing the CPU" on page 65. 6. See "Removing the Secondary HDD Cover" on page 77. 15. See "Removing the Heatsink Fan Module" on page 62. 2. See "Removing the Battery Pack" on page 74. 13. See "Removing...
...the bottom panel. See "Removing the Secondary HDD Bracket and Connector" on page 68. 8. See "Removing the DIMM" on page 66. 7. See "Removing the LCD Module" on page 68. 9. See "Removing the WLAN Board Modules" on page 81. 19. See "Removing the Optical Drive Module" on page 63. 4. ...See "Removing the PC and ExpressCard dummy cards" on page 70. 11. See "Removing the CPU" on page 65. 6. See "Removing the Secondary HDD Cover" on page 77. 15. See "Removing the Heatsink Fan Module" on page 62. 2. See "Removing the Battery Pack" on page 74. 13. See "Removing...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 103
.... See "Removing the CPU and VGA Heatsink Module" on page 73. 12. See "Removing the Middle Cover and the Power Board" on page 77. 15. See "Removing the CPU" on page 78. 17. See "Removing the LCD Module" on page 90. 21. See "Removing the Main Board" on page 81. 19. See.... See "Removing the Hard Disk Drive Module" on page 64. 5. Release the speaker cables from the Lower Case" on page 63. 4. See "Removing the Lower Cover" on page 69. 10. See "Removing the Keyboard" on page 66. 7. See "Removing the Secondary HDD Bracket and Connector" on page 80. 18. See "...
.... See "Removing the CPU and VGA Heatsink Module" on page 73. 12. See "Removing the Middle Cover and the Power Board" on page 77. 15. See "Removing the CPU" on page 78. 17. See "Removing the LCD Module" on page 90. 21. See "Removing the Main Board" on page 81. 19. See.... See "Removing the Hard Disk Drive Module" on page 64. 5. Release the speaker cables from the Lower Case" on page 63. 4. See "Removing the Lower Cover" on page 69. 10. See "Removing the Keyboard" on page 66. 7. See "Removing the Secondary HDD Bracket and Connector" on page 80. 18. See "...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 104
... left and right speakers from the Lower Case" on page 77. 16. See "Removing the Battery Pack" on page 65. 6. See "Removing the Secondary HDD Cover" on page 62. 2. See "Removing the DIMM" on page 73. 12. See "Removing the Modem Board" on page 68. 8. See "Removing the CPU and VGA... ExpressCard dummy cards" on page 70. 11. See "Removing the Optical Drive Module" on page 63. 4. See "Removing the Middle Cover and the Power Board" on page 81. 19. See "Removing the LCD Module" on page 78. 17. See "Removing the Main Board" on page 66. 7. See "Removing the Secondary HDD Bracket...
... left and right speakers from the Lower Case" on page 77. 16. See "Removing the Battery Pack" on page 65. 6. See "Removing the Secondary HDD Cover" on page 62. 2. See "Removing the DIMM" on page 73. 12. See "Removing the Modem Board" on page 68. 8. See "Removing the CPU and VGA... ExpressCard dummy cards" on page 70. 11. See "Removing the Optical Drive Module" on page 63. 4. See "Removing the Middle Cover and the Power Board" on page 81. 19. See "Removing the LCD Module" on page 78. 17. See "Removing the Main Board" on page 66. 7. See "Removing the Secondary HDD Bracket...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
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Step 1~8 Size (Quantity) M2.5 x L6 (8) Color Black Torque 3.0 kgf-cm Chapter 3 97 See "Removing the Middle Cover and the Power Board" on page 62. 2. Remove the four upper bezel screw caps and the four lower bezel caps. 7. Removing the LCD Bezel 1. See "Removing the Battery Pack" on page 78. 5. Remove the eight screws (A) on page 64. 3. See "Removing the Lower Cover" on the LCD module in the order as shown. See "Removing the WLAN Board Modules" on page 81. 6. See "Removing the LCD Module" on page 68. 4.
Step 1~8 Size (Quantity) M2.5 x L6 (8) Color Black Torque 3.0 kgf-cm Chapter 3 97 See "Removing the Middle Cover and the Power Board" on page 62. 2. Remove the four upper bezel screw caps and the four lower bezel caps. 7. Removing the LCD Bezel 1. See "Removing the Battery Pack" on page 78. 5. Remove the eight screws (A) on page 64. 3. See "Removing the Lower Cover" on the LCD module in the order as shown. See "Removing the WLAN Board Modules" on page 81. 6. See "Removing the LCD Module" on page 68. 4.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
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... on page 64. 3. See "Removing the Lower Cover" on page 62. 2. See "Removing the Middle Cover and the Power Board" on page 68. 4. 8. Removing the LCD module with the Brackets 1. See "Removing the WLAN Board Modules" on page 78. 5. See "Removing the LCD Bezel" on page 81. 6. NOTE: The bottom... side of the bezel is glued to the lcd panel, be careful ...
... on page 64. 3. See "Removing the Lower Cover" on page 62. 2. See "Removing the Middle Cover and the Power Board" on page 68. 4. 8. Removing the LCD module with the Brackets 1. See "Removing the WLAN Board Modules" on page 78. 5. See "Removing the LCD Bezel" on page 81. 6. NOTE: The bottom... side of the bezel is glued to the lcd panel, be careful ...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 109
... its connector, then disconnect the 2P cable on page 81. 6. Detach the LCD with the Brackets" on page 62. 2. See "Removing the Middle Cover and the Power Board" on page 64. 3. See "Removing the LCD Module" on the inverter board to remove it. Disconnect the inverter board cable... from the back cover. Chapter 3 99 Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the LCD Bezel" on page 68. 4. Step 1~3 Size (Quantity) M2.5 x L6 (3) Color Black 9. See "Removing the WLAN ...
... its connector, then disconnect the 2P cable on page 81. 6. Detach the LCD with the Brackets" on page 62. 2. See "Removing the Middle Cover and the Power Board" on page 64. 3. See "Removing the LCD Module" on the inverter board to remove it. Disconnect the inverter board cable... from the back cover. Chapter 3 99 Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the LCD Bezel" on page 68. 4. Step 1~3 Size (Quantity) M2.5 x L6 (3) Color Black 9. See "Removing the WLAN ...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 110
...the FPC cable from the LCD panel. See "Removing the LCD Module" on page 78. 5. See "Removing the Middle Cover and the Power Board" on page 81. 6. See "Removing the LCD module with the Brackets" on page 97. 7. Removing the LCD Brackets 1. 9. See "Removing the LCD Bezel" on page 98. ...8. See "Removing the Lower Cover" on page 68. 4. See "Removing the...
...the FPC cable from the LCD panel. See "Removing the LCD Module" on page 78. 5. See "Removing the Middle Cover and the Power Board" on page 81. 6. See "Removing the LCD module with the Brackets" on page 97. 7. Removing the LCD Brackets 1. 9. See "Removing the LCD Bezel" on page 98. ...8. See "Removing the Lower Cover" on page 68. 4. See "Removing the...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 111
... the Power Board" on page 64. 3. Remove the left and right hinge to the back cover. See "Removing the Lower Cover" on page 78. 5. See "Removing the Left and Right Hinge" on page 81. 6. See "Removing the LCD Module" on page 101. See "Removing the WLAN Board Modules" on page 78. 5. See... "Removing the LCD module with the Brackets" on page 98. 8. Chapter 3 101 See "Removing the Middle Cover and the Power Board" on page 68. 4. Remove the two...
... the Power Board" on page 64. 3. Remove the left and right hinge to the back cover. See "Removing the Lower Cover" on page 78. 5. See "Removing the Left and Right Hinge" on page 81. 6. See "Removing the LCD Module" on page 101. See "Removing the WLAN Board Modules" on page 78. 5. See... "Removing the LCD module with the Brackets" on page 98. 8. Chapter 3 101 See "Removing the Middle Cover and the Power Board" on page 68. 4. Remove the two...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 112
Release the antenna cables from the back cover. See "Removing the Lower Cover" on page 81. 6. See "Removing the LCD Module" on page 64. 3. Loosen the aluminum tape holding the antennas in place. 10. Removing the Internal Microphone and Web Camera 1. See "Removing the Middle Cover and the Power Board" on page 97. 102 Chapter 3 See "Removing the LCD Bezel" on page 78. 5. See "Removing the WLAN Board Modules" on page 62. 2. Remove the tapes together with the antenna cables from the latches. 11. See "Removing the Battery Pack" on page 68. 4. 9.
Release the antenna cables from the back cover. See "Removing the Lower Cover" on page 81. 6. See "Removing the LCD Module" on page 64. 3. Loosen the aluminum tape holding the antennas in place. 10. Removing the Internal Microphone and Web Camera 1. See "Removing the Middle Cover and the Power Board" on page 97. 102 Chapter 3 See "Removing the LCD Bezel" on page 78. 5. See "Removing the WLAN Board Modules" on page 62. 2. Remove the tapes together with the antenna cables from the latches. 11. See "Removing the Battery Pack" on page 68. 4. 9.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 130
Keyboard (if control is damaged. LCD cover switch System board 120 Chapter 4 DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. Touchpad Keyboard Hard disk connection board Hard disk drive System board The system doesn't enter standby mode after closing the LCD See "Save to Disk (S4)" on page...
Keyboard (if control is damaged. LCD cover switch System board 120 Chapter 4 DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. Touchpad Keyboard Hard disk connection board Hard disk drive System board The system doesn't enter standby mode after closing the LCD See "Save to Disk (S4)" on page...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 131
... Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Keyboard System board Chapter 4 121 Battery fuel gauge in Sequence...Hard disk connection board System board Peripheral-Related Symptoms Symptom / Error System configuration does not match the installed devices. Press Fn+F5, LCD/CRT/Both display switching System board System board Ensure the "Parallel Port" in Sequence See "Save to Disk (S4)" on page 39...
... Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Keyboard System board Chapter 4 121 Battery fuel gauge in Sequence...Hard disk connection board System board Peripheral-Related Symptoms Symptom / Error System configuration does not match the installed devices. Press Fn+F5, LCD/CRT/Both display switching System board System board Ensure the "Parallel Port" in Sequence See "Save to Disk (S4)" on page 39...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 144
... DOOR ASSEMBLY OPTICAL BRACKET COMBO BEZEL DVD-RW BEZEL HDD BRACKET ASSEMBLY LCD BRACKET RIGHT LCD BRACKET LEFT LCD COVER 15.4" W/ HINGE & LOGO LCD BEZEL 15.4" W/ LOGO FOR CCD HINGE PACK LEFT/RIGHT SPEAKER Acer Part No. 60.TKC01.002 60.TK901.003 33.TK901.002 42.TK901.002 42.TK501.002 33.TK901.003 33...
... DOOR ASSEMBLY OPTICAL BRACKET COMBO BEZEL DVD-RW BEZEL HDD BRACKET ASSEMBLY LCD BRACKET RIGHT LCD BRACKET LEFT LCD COVER 15.4" W/ HINGE & LOGO LCD BEZEL 15.4" W/ LOGO FOR CCD HINGE PACK LEFT/RIGHT SPEAKER Acer Part No. 60.TKC01.002 60.TK901.003 33.TK901.002 42.TK901.002 42.TK501.002 33.TK901.003 33...