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...
... 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...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 88
...you could detach the Middle Cover. 78 Chapter 3 Continue prying on page 62. 2. Step 1~2 Size (Quantity) M2.5 x L5 (2) Color Silver 6. Open the LCD screen all the way to facilitate the easy removal of the middle cover and gently pry up the middle cover. Carefully remove the VGA ...board from the main board. To remove the Middle Cover, carefully insert the plastic flat screwdriver under the side of...
...you could detach the Middle Cover. 78 Chapter 3 Continue prying on page 62. 2. Step 1~2 Size (Quantity) M2.5 x L5 (2) Color Silver 6. Open the LCD screen all the way to facilitate the easy removal of the middle cover and gently pry up the middle cover. Carefully remove the VGA ...board from the main board. To remove the Middle Cover, carefully insert the plastic flat screwdriver under the side of...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 91
Removing the LCD Module 1. See "Removing the Lower Cover" on page 62. 2. See "Removing the Battery Pack" on page 64. 3. See "Removing the Middle Cover and the Power Board" on page 68. 4. Carefully pry the keyboard out of the side latches and slide it over on page 80. See "Removing the WLAN Board Modules" on page 78. 5. Chapter 3 81 4. then turn it out; See "Removing the Keyboard" 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 Lower Cover" on page 62. 2. See "Removing the Battery Pack" on page 64. 3. See "Removing the Middle Cover and the Power Board" on page 68. 4. Carefully pry the keyboard out of the side latches and slide it over on page 80. See "Removing the WLAN Board Modules" on page 78. 5. Chapter 3 81 4. then turn it out; See "Removing the Keyboard" on the touchpad area. 5. Disconnect the keyboard cable from the main board to remove the keyboard.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 94
... on page 66. 7. See "Removing the VGA board (for Discrete model only)" on page 81. 19. See "Removing the LCD Module" on page 77. 16. See "Removing the Secondary HDD Cover" on page 70. 11. See "Removing the Optical Drive Module" on page 65. 6. See "Removing the CPU and VGA Heatsink...Removing the Keyboard" on page 75. 14. Carefully remove the LCD module from LID1 on the main board. 84 Chapter 3 See "Removing the DIMM" on page 69. 10. See "Removing the Hard Disk Drive Module" on page 68. 8. Disconnect the cover switch cable from the base unit. See "Removing the Modem...
... on page 66. 7. See "Removing the VGA board (for Discrete model only)" on page 81. 19. See "Removing the LCD Module" on page 77. 16. See "Removing the Secondary HDD Cover" on page 70. 11. See "Removing the Optical Drive Module" on page 65. 6. See "Removing the CPU and VGA Heatsink...Removing the Keyboard" on page 75. 14. Carefully remove the LCD module from LID1 on the main board. 84 Chapter 3 See "Removing the DIMM" on page 69. 10. See "Removing the Hard Disk Drive Module" on page 68. 8. Disconnect the cover switch cable from the base unit. See "Removing the Modem...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 97
12. See "Removing the CPU" on page 81. 19. See "Removing the LCD Module" on page 77. 15. See "Removing the VGA board (for Discrete model only)" on page 63. 4. Remove the one screw (J) holding the launch board ... from the Lower Case" on page 70. 11. See "Removing the PC and ExpressCard dummy cards" on page 77. 16. See "Removing the Secondary HDD Cover" on page 68. 8. See "Removing the DIMM" on page 65. 6. See "Removing the Optical Drive Module" on page 84. 20. See "Separating the Upper Case...
12. See "Removing the CPU" on page 81. 19. See "Removing the LCD Module" on page 77. 15. See "Removing the VGA board (for Discrete model only)" on page 63. 4. Remove the one screw (J) holding the launch board ... from the Lower Case" on page 70. 11. See "Removing the PC and ExpressCard dummy cards" on page 77. 16. See "Removing the Secondary HDD Cover" on page 68. 8. See "Removing the DIMM" on page 65. 6. See "Removing the Optical Drive Module" on page 84. 20. See "Separating the Upper Case...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 98
See "Removing the Keyboard" on page 78. 17. See "Separating the Upper Case from the fingerprint board. 21. Remove the fingerprint cable from the Lower Case" on page 77. 16. See "Removing the Middle Cover and the Power Board" on page 80. 18. 14. Remove the touch pad cable from the touch pad board. 88 Chapter 3 See "Removing the LCD Module" on page 77. 15. See "Removing the CPU" on page 81. 19. See "Removing the VGA board (for Discrete model only)" on page 84. 20.
See "Removing the Keyboard" on page 78. 17. See "Separating the Upper Case from the fingerprint board. 21. Remove the fingerprint cable from the Lower Case" on page 77. 16. See "Removing the Middle Cover and the Power Board" on page 80. 18. 14. Remove the touch pad cable from the touch pad board. 88 Chapter 3 See "Removing the LCD Module" on page 77. 15. See "Removing the CPU" on page 81. 19. See "Removing the VGA board (for Discrete model only)" on page 84. 20.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 100
... Board" on page 68. 9. See "Removing the Heatsink Fan Module" on page 77. 15. See "Removing the CPU" on page 74. 13. See "Removing the LCD Module" on page 69. 10. See "Removing the Hard Disk Drive Module" on page 81. 19. See "Removing the VGA board (for Discrete model only... page 64. 5. WARNING:The touchpad board is glued to the upper case, only remove the touchpad board if it is defective. See "Removing the Lower Cover" on page 63. 4. 24. See "Removing the SD dummy card" on page 66. 7. See "Removing the Secondary HDD Bracket and Connector" on page 63. 3. See...
... Board" on page 68. 9. See "Removing the Heatsink Fan Module" on page 77. 15. See "Removing the CPU" on page 74. 13. See "Removing the LCD Module" on page 69. 10. See "Removing the Hard Disk Drive Module" on page 81. 19. See "Removing the VGA board (for Discrete model only... page 64. 5. WARNING:The touchpad board is glued to the upper case, only remove the touchpad board if it is defective. See "Removing the Lower Cover" on page 63. 4. 24. See "Removing the SD dummy card" on page 66. 7. See "Removing the Secondary HDD Bracket and Connector" on page 63. 3. See...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 102
... page 65. 6. See "Removing the Secondary HDD Cover" on page 64. 5. See "Removing the Secondary HDD Bracket and Connector" on page 77. 15. See "Removing the CPU" on page 66. 7. See "Removing the SD dummy card" on page 81. 19. See "Removing the LCD Module" on page 63. 3. See "Removing the Modem...
... page 65. 6. See "Removing the Secondary HDD Cover" on page 64. 5. See "Removing the Secondary HDD Bracket and Connector" on page 77. 15. See "Removing the CPU" on page 66. 7. See "Removing the SD dummy card" on page 81. 19. See "Removing the LCD Module" on page 63. 3. See "Removing the Modem...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 103
... 21. See "Removing the VGA board (for Discrete model only)" on page 81. 19. See "Removing the LCD Module" on page 77. 16. Release the speaker cables from the Lower Case" on page 63. 3. See...Module" on page 68. 9. See "Removing the Battery Pack" on page 65. 6. See "Removing the Secondary HDD Cover" on page 62. 2. See "Removing the Hard Disk Drive Module" on page 75. 14. See "Removing the ... Module" on page 69. 10. See "Removing the Keyboard" on page 64. 5. See "Removing the Lower Cover" on page 80. 18. See "Removing the DIMM" on page 74. 13. Remove the tape securing the ...
... 21. See "Removing the VGA board (for Discrete model only)" on page 81. 19. See "Removing the LCD Module" on page 77. 16. Release the speaker cables from the Lower Case" on page 63. 3. See...Module" on page 68. 9. See "Removing the Battery Pack" on page 65. 6. See "Removing the Secondary HDD Cover" on page 62. 2. See "Removing the Hard Disk Drive Module" on page 75. 14. See "Removing the ... Module" on page 69. 10. See "Removing the Keyboard" on page 64. 5. See "Removing the Lower Cover" on page 80. 18. See "Removing the DIMM" on page 74. 13. Remove the tape securing the ...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 104
... 11. See "Removing the Optical Drive Module" on page 66. 7. See "Removing the CPU and VGA Heatsink Module" on page 81. 19. See "Removing the LCD Module" on page 75. 14. Remove the four screws (C) holding the left and right speakers from the Lower Case" on page 64. 5. See "Removing the...right speakers. See "Removing the WLAN Board Modules" on page 74. 13. See "Removing the Heatsink Fan Module" on page 68. 9. See "Removing the Middle Cover and the Power Board" on page 90. 94 Chapter 3 See "Removing the Main Board" on page 78. 17. See "Removing the CPU" on page 69...
... 11. See "Removing the Optical Drive Module" on page 66. 7. See "Removing the CPU and VGA Heatsink Module" on page 81. 19. See "Removing the LCD Module" on page 75. 14. Remove the four screws (C) holding the left and right speakers from the Lower Case" on page 64. 5. See "Removing the...right speakers. See "Removing the WLAN Board Modules" on page 74. 13. See "Removing the Heatsink Fan Module" on page 68. 9. See "Removing the Middle Cover and the Power Board" on page 90. 94 Chapter 3 See "Removing the Main Board" on page 78. 17. See "Removing the CPU" on page 69...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 107
Removing the LCD Bezel 1. See "Removing the WLAN Board Modules" on the LCD module in the order as shown. Remove the eight screws (A) on page 68. 4. See "Removing the Middle Cover and the Power Board" on page 81. 6. See "Removing the LCD Module" on page 78. 5. See "Removing the Battery Pack" on page 64. 3. Step 1~8 Size (Quantity) M2.5 x L6 (8) Color Black Torque 3.0 kgf-cm Chapter 3 97 Remove the four upper bezel screw caps and the four lower bezel caps. 7. See "Removing the Lower Cover" on page 62. 2.
Removing the LCD Bezel 1. See "Removing the WLAN Board Modules" on the LCD module in the order as shown. Remove the eight screws (A) on page 68. 4. See "Removing the Middle Cover and the Power Board" on page 81. 6. See "Removing the LCD Module" on page 78. 5. See "Removing the Battery Pack" on page 64. 3. Step 1~8 Size (Quantity) M2.5 x L6 (8) Color Black Torque 3.0 kgf-cm Chapter 3 97 Remove the four upper bezel screw caps and the four lower bezel caps. 7. See "Removing the Lower Cover" on page 62. 2.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 108
...Removing the Battery Pack" on page 78. 5. See "Removing the Middle Cover and the Power Board" on page 62. 2. See "Removing the LCD Module" on page 64. 3. See "Removing the Lower Cover" on page 81. 6. Carefully pry open the LCD bezel and remove the bezel from the camera board. 98 Chapter 3 ...Disconnect the cable from the LCD module. Removing the LCD module with the Brackets 1. NOTE: The...
...Removing the Battery Pack" on page 78. 5. See "Removing the Middle Cover and the Power Board" on page 62. 2. See "Removing the LCD Module" on page 64. 3. See "Removing the Lower Cover" on page 81. 6. Carefully pry open the LCD bezel and remove the bezel from the camera board. 98 Chapter 3 ...Disconnect the cable from the LCD module. Removing the LCD module with the Brackets 1. NOTE: The...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 109
... with the brackets from its connector, then disconnect the 2P cable on page 98. 8. Disconnect the inverter board cable from the back cover. Remove the three screws (A) securing the LCD module and the Inverter panel. Step 1~3 Size (Quantity) M2.5 x L6 (3) Color Black 9. See "Removing the Battery Pack" on page 64. 3. ...Chapter 3 99 Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the Lower Cover" on page 62. 2. Detach the LCD with the Brackets" on the inverter board to remove it.
... with the brackets from its connector, then disconnect the 2P cable on page 98. 8. Disconnect the inverter board cable from the back cover. Remove the three screws (A) securing the LCD module and the Inverter panel. Step 1~3 Size (Quantity) M2.5 x L6 (3) Color Black 9. See "Removing the Battery Pack" on page 64. 3. ...Chapter 3 99 Torque 3.0 kgf-cm Removing the Inverter Board and FPC Cable 1. See "Removing the Lower Cover" on page 62. 2. Detach the LCD with the Brackets" on the inverter board to remove it.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 110
...Size (Quantity) M2 x L3 (4) Color Silver Torque 1.6 kgf-cm Chapter 3 See "Removing the LCD Bezel" on page 64. 3. 9. See "Removing the Lower Cover" on page 97. 7. Disconnect the FPC cable from the LCD panel and detach the acetic tape securing the FPC connector. 10. See "Removing the Middle... Cover and the Power Board" on page 98. 8. See "Removing the LCD module with the Brackets" on page 78. 5. See "Removing the LCD Module" on page 99. 9. See "Removing the Inverter Board and FPC Cable...
...Size (Quantity) M2 x L3 (4) Color Silver Torque 1.6 kgf-cm Chapter 3 See "Removing the LCD Bezel" on page 64. 3. 9. See "Removing the Lower Cover" on page 97. 7. Disconnect the FPC cable from the LCD panel and detach the acetic tape securing the FPC connector. 10. See "Removing the Middle... Cover and the Power Board" on page 98. 8. See "Removing the LCD module with the Brackets" on page 78. 5. See "Removing the LCD Module" on page 99. 9. See "Removing the Inverter Board and FPC Cable...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 111
... and Right Hinge 1. Step 1~2 Size (Quantity) M2.5 x L5 (2) Color Black 9. See "Removing the Lower Cover" on page 81. 6. See "Removing the WLAN Board Modules" on page 97. 7. See "Removing the LCD Bezel" on page 68. 4. See "Removing the Left and Right Hinge" on page 81. 6. See "Removing ...2. See "Removing the WLAN Board Modules" on page 78. 5. See "Removing the LCD module with the Brackets" on page 98. 8. See "Removing the Middle Cover and the Power Board" on page 68. 4. See "Removing the Lower Cover" on page 62. 2. See "Removing the Battery Pack" on page 64. 3. See...
... and Right Hinge 1. Step 1~2 Size (Quantity) M2.5 x L5 (2) Color Black 9. See "Removing the Lower Cover" on page 81. 6. See "Removing the WLAN Board Modules" on page 97. 7. See "Removing the LCD Bezel" on page 68. 4. See "Removing the Left and Right Hinge" on page 81. 6. See "Removing ...2. See "Removing the WLAN Board Modules" on page 78. 5. See "Removing the LCD module with the Brackets" on page 98. 8. See "Removing the Middle Cover and the Power Board" on page 68. 4. See "Removing the Lower Cover" on page 62. 2. See "Removing the Battery Pack" on page 64. 3. See...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 112
See "Removing the WLAN Board Modules" on page 81. 6. See "Removing the LCD Module" on page 68. 4. See "Removing the Battery Pack" on page 78. 5. Release the antenna cables from the back cover. Removing the Internal Microphone and Web Camera 1. See "Removing the Middle Cover and the Power Board" on page 62. 2. See "Removing the LCD Bezel" on page 64. 3. See "Removing the Lower Cover" on page 97. 102 Chapter 3 Remove the tapes together with the antenna cables from the latches. 11. Loosen the aluminum tape holding the antennas in place. 10. 9.
See "Removing the WLAN Board Modules" on page 81. 6. See "Removing the LCD Module" on page 68. 4. See "Removing the Battery Pack" on page 78. 5. Release the antenna cables from the back cover. Removing the Internal Microphone and Web Camera 1. See "Removing the Middle Cover and the Power Board" on page 62. 2. See "Removing the LCD Bezel" on page 64. 3. See "Removing the Lower Cover" on page 97. 102 Chapter 3 Remove the tapes together with the antenna cables from the latches. 11. Loosen the aluminum tape holding the antennas in place. 10. 9.
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 130
.... 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 execute "Load Default Settings, then reboot system. LCD cover switch System board 120 Chapter 4 Battery can't be charged Action in Sequence The system will not enter hibernation See "Save...
.... 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 execute "Load Default Settings, then reboot system. LCD cover switch System board 120 Chapter 4 Battery can't be charged Action in Sequence The system will not enter hibernation See "Save...
TravelMate 7720 / 7320 and Extensa 7620 Service Guide
Page 131
...display switching System board System board Ensure the "Parallel Port" in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 39. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Battery pack System board Reconnect hard disk/CD-ROM drives....Reconnect hard disk/CD-ROM/diskette drives. Power Management-Related Symptoms Symptom / Error The system doesn't resume from standby mode after opening the LCD. System hangs intermittently. Hard disk connection board Hard disk drive System board See "Save to Enabled. Hard disk connection board System board Peripheral...
...display switching System board System board Ensure the "Parallel Port" in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 39. LCD cover switch System board Remove battery pack and let it cool for 2 hours. Battery pack System board Reconnect hard disk/CD-ROM drives....Reconnect hard disk/CD-ROM/diskette drives. Power Management-Related Symptoms Symptom / Error The system doesn't resume from standby mode after opening the LCD. System hangs intermittently. Hard disk connection board Hard disk drive System board See "Save to Enabled. Hard disk connection board System board Peripheral...
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...