Removing the Lower Case
Removing the Lower Case
0
1. Remove the twelve torx screws securing the lower case to the upper case assembly.
Figure 3-4.
Lower Case Screws
Table 3-4. Screws Step
Lower Case Disassembly
Screw
Quantity
Torque
M2 x L6.5
8
1.6 ± 0.3 kgf-cm
M2 x L3.5
4
1.6 ± 0.3 kgf-cm
Screw Type
2. Pry the sides of the lower case from the upper case assembly to disengage the latches.
Figure 3-5. Machine Maintenance
Lower Case Latches 3-9
3. Gently lift the lower case from the upper case assembly.
Figure 3-6.
3-10
Lower Case
Machine Maintenance
Removing the Battery Pack
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Disconnect the battery pack cable from the mainboard.
Figure 3-7.
Mainboard Connector - Battery Pack Cable
3. Remove the four screws securing the battery pack to the upper case assembly.
Figure 3-8.
Battery Pack Screws
Table 3-8. Screws Step
Battery Pack Disassembly
Machine Maintenance
Screw
Quantity
Torque
M2 x L3.5
2
3.0 ± 0.45 kgf-cm
Screw Type
3-11
4. Detach the battery pack from the upper case assembly.
Figure 3-9.
NOTE:
Battery Pack
NOTE:
The battery pack has been highlighted with the yellow border in Figure 3-9. Remove the battery and follow local regulations for disposal.
3-12
Machine Maintenance
Removing the HDD Module
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Disconnect the HDD cable from the mainboard.
Figure 3-10. Mainboard Connector - HDD Cable 4. Remove the four screws securing the HDD module to the upper case assembly.
Figure 3-11. Table 3-11.
HDD Module Screws
Screws
Step
HDD Module Disassembly
Machine Maintenance
Screw
Quantity
Torque
M1.2 x L2
3
0.7 ± 0.1 kgf-cm
M2 x L4.5
1
3.0 ± 0.45 kgf-cm
Screw Type
3-13
5. Detach the HDD module from the upper case assembly.
Figure 3-12. HDD Module 6. Remove the four screws securing the HDD module to the HDD bracket.
Figure 3-13. HDD Bracket Screws Table 3-13.
Screws
Step
HDD Bracket Disassembly
3-14
Screw
Quantity
Torque
Screw Type
M3 x L3.5
4
3.0 ± 0.45 kgf-cm
Machine Maintenance
7. Detach the HDD module from the HDD bracket.
Figure 3-14. HDD Bracket 8. Disconnect the HDD cable from the HDD module.
Figure 3-15. HDD Connector - HDD Cable
Machine Maintenance
3-15
Removing the HDD Dummy Bracket (for models without HDD module)
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Remove the four screws securing the HDD dummy bracket to the upper case assembly.
Figure 3-16. HDD Dummy Bracket Screws Table 3-16.
Screws
Step
HDD Dummy Bracket Disassembly
Screw
Quantity
Torque
Screw Type
M1.2 x L2
3
0.7 ± 0.1 kgf-cm
M2 x L4.5
1
3.0 ± 0.45 kgf-cm
4. Detach the HDD dummy bracket from the upper case assembly.
Figure 3-17. HDD Dummy Bracket 3-16
Machine Maintenance
Removing the Left and Right Speakers
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Disconnect the speaker cable from the mainboard.
Figure 3-18. Mainboard Connector - Speaker Cable 4. Remove the four screws securing the left and right speakers to the upper case assembly.
Figure 3-19. Left and Right Speaker Screws Table 3-19.
Screws
Step
Screw
Quantity
Torque
Speaker Module Disassembly
M3 x L3.5
4
3.0 ± 0.45 kgf-cm
Machine Maintenance
Screw Type
3-17
5. Detach the left and right speakers from the upper case assembly.
Figure 3-20. Left and Right Speakers
3-18
Machine Maintenance
Removing the Microphone Module
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the connector latch (1) from the mainboard, then disconnect the DMIC cable (2).
Figure 3-21. Mainboard Connector - DMIC Cable 4. Detach the DMIC cable from the upper case assembly.
Figure 3-22. DMIC Cable
Machine Maintenance
3-19
5. Detach the microphone module from the upper case assembly.
Figure 3-23. Microphone Module
3-20
Machine Maintenance
Removing the Touchpad Module
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the connector latch (1) from the mainboard, then disconnect the touchpad cable (2).
Figure 3-24. Mainboard Connector - Touchpad Cable 4. Release the connector latch (1) from the touchpad board, then disconnect the touchpad cable (2).
Figure 3-25. Touchpad Board Connector - Touchpad Cable
Machine Maintenance
3-21
5. Detach the touchpad cable from the upper case assembly.
Figure 3-26. Touchpad Cable Self Adhesive Tape 6. Remove the five screws securing the touchpad module to the upper case assembly.
Figure 3-27. Touchpad Module Screws Table 3-27.
Screws
Step
Touchpad Module Disassembly
3-22
Screw
Quantity
Torque
Screw Type
M1.2 x L1.2
5
0.3 ± 0.04 kgf-cm
Machine Maintenance
7. Detach the touchpad module from the upper case assembly.
Figure 3-28. Touchpad Module
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-28. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-23
Removing the EL Small Board
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the connector latch (1) from the card reader board, then disconnect the EL small board cable (2).
Figure 3-29. Card Reader Board Connector - EL Small Board Cable 4. Release the connector latch (1) from the EL small board, then disconnect the EL small board cable (2).
Figure 3-30. EL Small Board Connector - EL Small Board Cable 3-24
Machine Maintenance
5. Release the connector latch (1) from the EL small board, then disconnect the keyboard backlight cable (2).
Figure 3-31. EL Small Board Connector - Keyboard Backlight Cable 6. Detach the EL small board from the upper case assembly.
Figure 3-32. EL Small Board
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow border in Figure 3-32. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-25
Removing the Left and Right System Fans
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the right system fan cable from the adhesive tape securing it to the mainboard.
Figure 3-33. Right System Fan Cable Adhesive Tape 4. Disconnect the right system fan cable from the mainboard.
Figure 3-34. Mainboard Connector - Right System Fan Cable
3-26
Machine Maintenance
5. Remove the two screws securing the right system fan to the upper case assembly.
Figure 3-35. Right System Fan Screws Table 3-35.
Screws
Step
Right System Fan Disassembly
Screw
Quantity
Torque
M2 x L3.5
2
3.0 ± 0.45 kgf-cm
Screw Type
6. Release the right system fan from the adhesive tape securing it to the thermal module.
Figure 3-36. Right System Fan Adhesive Tape
Machine Maintenance
3-27
7. Detach the right system fan from the upper case assembly.
Figure 3-37. Right System Fan 8. Disconnect the left system fan cable from the USB board.
Figure 3-38. USB Board Connector - Left System Fan Cable
3-28
Machine Maintenance
9. Remove the two screws securing the left system fan to the upper case assembly.
Figure 3-39. Left System Fan Screws Table 3-39.
Screws
Step
Screw
Quantity
Torque
Left System Fan Disassembly
M2 x L3.5
2
3.0 ± 0.45 kgf-cm
Screw Type
10. Release the left system fan from the adhesive tape securing it to the thermal module.
Figure 3-40. Left System Fan Adhesive Tape
Machine Maintenance
3-29
11. Detach the left system fan from the upper case assembly.
Figure 3-41. Left System Fan
3-30
Machine Maintenance
Removing the USB Board
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Remove the screw securing the DC-In module bracket to the upper case assembly.
Figure 3-42. DC-In Module Bracket Screw Table 3-42.
Screw
Step
USB Board Disassembly
Screw
Quantity
Torque
M2 x L3.5
1
3.0 ± 0.45 kgf-cm
Screw Type
4. Detach the DC-In module bracket from the upper case assembly.
Figure 3-43. DC-In Module Bracket Machine Maintenance
3-31
5. Turn the USB board over to gain access to its bottom side.
Figure 3-44. USB Board Bottom Side 6. Release the connector latch (1) from the USB board, then disconnect the USB Board cable (2). Remove the USB board from the upper case assembly.
Figure 3-45. USB Board Connector - USB Board Cable
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-45. Follow the local regulations for disposing this type of circuit board.
3-32
Machine Maintenance
7. Release the connector latch (1) from the mainboard, then disconnect the USB board cable (2).
Figure 3-46. Mainboard Connector - USB Board Cable 8. Detach the USB cable from the upper case assembly.
Figure 3-47. USB Board Cable Self Adhesive Tape
Machine Maintenance
3-33
Removing the Mainboard
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Perform the “Removing the HDD Module” procedure described on page 3-13. 4. Perform the “Removing the HDD Dummy Bracket (for models without HDD module)” procedure described on page 3-16. 5. Perform the “Removing the Left and Right Speakers” procedure described on page 3-17. 6. Perform the “Removing the Microphone Module” procedure described on page 3-19. 7. Perform the “Removing the Touchpad Module” procedure described on page 3-21. 8. Perform the “Removing the EL Small Board” procedure described on page 3-24. 9. Perform the “Removing the Left and Right System Fans” procedure described on page 3-26. 10. Perform the “Removing the USB Board” procedure described on page 3-31. 11. Unplug the two antenna cables from the WLAN module.
Figure 3-48. WLAN Board Connectors - WLAN Board Antenna Cables
+
IMPORTANT:
3-34
For reference during machine reassembly, note which cable color corresponds to the main (red) and auxiliary (black) connectors.
Machine Maintenance
12. Release the WLAN antenna cables from the adhesive tape securing it to the mainboard.
Figure 3-49. WLAN Antenna Cables Adhesive Tape 13. Release the LCD cable from the adhesive tape securing it to the mainboard.
Figure 3-50. LCD Cable Adhesive Tape
Machine Maintenance
3-35
14. Disconnect the LCD cable from the mainboard.
Figure 3-51. Mainboard Connector - LCD Cable 15. Release the connector latch (1) from the mainboard, then disconnect the keyboard cable (2).
Figure 3-52. Mainboard Connector - Keyboard Cable
3-36
Machine Maintenance
16. Release the Camera/Touch panel cable from the transparent adhesive tape securing it to the mainboard.
Figure 3-53. Camera/Touch Panel Cable Transparent Adhesive Tape 17. Disconnect the Camera/Touch panel cable from the mainboard.
Figure 3-54. Mainboard Connector - Camera/Touch Panel Cable
Machine Maintenance
3-37
18. Remove the three screws securing the mainboard to the upper case assembly.
Figure 3-55. Mainboard Screws Table 3-55.
Screws
Step
Mainboard Disassembly
Screw
Quantity
Torque
Screw Type
M2 x L5.5
3
3.0 ± 0.45 kgf-cm
19. Gently turn the mainboard over to access the bottom side of the mainboard.
Figure 3-56. Mainboard
3-38
Machine Maintenance
20. Disconnect the DC-In cable from the mainboard (1), then remove the mainboard (2).
Figure 3-57. Mainboard Connector - DC-In Cable
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-57. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-39
Removing the DC-In Module
0
1. Perform the “Removing the Mainboard” procedure described on page 3-34. 2. Detach the DC-In module from the upper case assembly.
Figure 3-58. DC-In Module
3-40
Machine Maintenance
Removing the Memory Module
0
1. Perform the “Removing the Mainboard” procedure described on page 3-34. 2. Push out the latches on both sides of the DIMM slot (1) until the module tilts upward, then detach the DIMM module from the slot (2).
Figure 3-59. Memory Module Latches - DIMM Slot
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-59. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-41
0
1. Remove the twelve torx screws securing the lower case to the upper case assembly.
Figure 3-4.
Lower Case Screws
Table 3-4. Screws Step
Lower Case Disassembly
Screw
Quantity
Torque
M2 x L6.5
8
1.6 ± 0.3 kgf-cm
M2 x L3.5
4
1.6 ± 0.3 kgf-cm
Screw Type
2. Pry the sides of the lower case from the upper case assembly to disengage the latches.
Figure 3-5. Machine Maintenance
Lower Case Latches 3-9
3. Gently lift the lower case from the upper case assembly.
Figure 3-6.
3-10
Lower Case
Machine Maintenance
Removing the Battery Pack
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Disconnect the battery pack cable from the mainboard.
Figure 3-7.
Mainboard Connector - Battery Pack Cable
3. Remove the four screws securing the battery pack to the upper case assembly.
Figure 3-8.
Battery Pack Screws
Table 3-8. Screws Step
Battery Pack Disassembly
Machine Maintenance
Screw
Quantity
Torque
M2 x L3.5
2
3.0 ± 0.45 kgf-cm
Screw Type
3-11
4. Detach the battery pack from the upper case assembly.
Figure 3-9.
NOTE:
Battery Pack
NOTE:
The battery pack has been highlighted with the yellow border in Figure 3-9. Remove the battery and follow local regulations for disposal.
3-12
Machine Maintenance
Removing the HDD Module
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Disconnect the HDD cable from the mainboard.
Figure 3-10. Mainboard Connector - HDD Cable 4. Remove the four screws securing the HDD module to the upper case assembly.
Figure 3-11. Table 3-11.
HDD Module Screws
Screws
Step
HDD Module Disassembly
Machine Maintenance
Screw
Quantity
Torque
M1.2 x L2
3
0.7 ± 0.1 kgf-cm
M2 x L4.5
1
3.0 ± 0.45 kgf-cm
Screw Type
3-13
5. Detach the HDD module from the upper case assembly.
Figure 3-12. HDD Module 6. Remove the four screws securing the HDD module to the HDD bracket.
Figure 3-13. HDD Bracket Screws Table 3-13.
Screws
Step
HDD Bracket Disassembly
3-14
Screw
Quantity
Torque
Screw Type
M3 x L3.5
4
3.0 ± 0.45 kgf-cm
Machine Maintenance
7. Detach the HDD module from the HDD bracket.
Figure 3-14. HDD Bracket 8. Disconnect the HDD cable from the HDD module.
Figure 3-15. HDD Connector - HDD Cable
Machine Maintenance
3-15
Removing the HDD Dummy Bracket (for models without HDD module)
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Remove the four screws securing the HDD dummy bracket to the upper case assembly.
Figure 3-16. HDD Dummy Bracket Screws Table 3-16.
Screws
Step
HDD Dummy Bracket Disassembly
Screw
Quantity
Torque
Screw Type
M1.2 x L2
3
0.7 ± 0.1 kgf-cm
M2 x L4.5
1
3.0 ± 0.45 kgf-cm
4. Detach the HDD dummy bracket from the upper case assembly.
Figure 3-17. HDD Dummy Bracket 3-16
Machine Maintenance
Removing the Left and Right Speakers
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Disconnect the speaker cable from the mainboard.
Figure 3-18. Mainboard Connector - Speaker Cable 4. Remove the four screws securing the left and right speakers to the upper case assembly.
Figure 3-19. Left and Right Speaker Screws Table 3-19.
Screws
Step
Screw
Quantity
Torque
Speaker Module Disassembly
M3 x L3.5
4
3.0 ± 0.45 kgf-cm
Machine Maintenance
Screw Type
3-17
5. Detach the left and right speakers from the upper case assembly.
Figure 3-20. Left and Right Speakers
3-18
Machine Maintenance
Removing the Microphone Module
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the connector latch (1) from the mainboard, then disconnect the DMIC cable (2).
Figure 3-21. Mainboard Connector - DMIC Cable 4. Detach the DMIC cable from the upper case assembly.
Figure 3-22. DMIC Cable
Machine Maintenance
3-19
5. Detach the microphone module from the upper case assembly.
Figure 3-23. Microphone Module
3-20
Machine Maintenance
Removing the Touchpad Module
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the connector latch (1) from the mainboard, then disconnect the touchpad cable (2).
Figure 3-24. Mainboard Connector - Touchpad Cable 4. Release the connector latch (1) from the touchpad board, then disconnect the touchpad cable (2).
Figure 3-25. Touchpad Board Connector - Touchpad Cable
Machine Maintenance
3-21
5. Detach the touchpad cable from the upper case assembly.
Figure 3-26. Touchpad Cable Self Adhesive Tape 6. Remove the five screws securing the touchpad module to the upper case assembly.
Figure 3-27. Touchpad Module Screws Table 3-27.
Screws
Step
Touchpad Module Disassembly
3-22
Screw
Quantity
Torque
Screw Type
M1.2 x L1.2
5
0.3 ± 0.04 kgf-cm
Machine Maintenance
7. Detach the touchpad module from the upper case assembly.
Figure 3-28. Touchpad Module
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-28. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-23
Removing the EL Small Board
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the connector latch (1) from the card reader board, then disconnect the EL small board cable (2).
Figure 3-29. Card Reader Board Connector - EL Small Board Cable 4. Release the connector latch (1) from the EL small board, then disconnect the EL small board cable (2).
Figure 3-30. EL Small Board Connector - EL Small Board Cable 3-24
Machine Maintenance
5. Release the connector latch (1) from the EL small board, then disconnect the keyboard backlight cable (2).
Figure 3-31. EL Small Board Connector - Keyboard Backlight Cable 6. Detach the EL small board from the upper case assembly.
Figure 3-32. EL Small Board
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow border in Figure 3-32. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-25
Removing the Left and Right System Fans
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Release the right system fan cable from the adhesive tape securing it to the mainboard.
Figure 3-33. Right System Fan Cable Adhesive Tape 4. Disconnect the right system fan cable from the mainboard.
Figure 3-34. Mainboard Connector - Right System Fan Cable
3-26
Machine Maintenance
5. Remove the two screws securing the right system fan to the upper case assembly.
Figure 3-35. Right System Fan Screws Table 3-35.
Screws
Step
Right System Fan Disassembly
Screw
Quantity
Torque
M2 x L3.5
2
3.0 ± 0.45 kgf-cm
Screw Type
6. Release the right system fan from the adhesive tape securing it to the thermal module.
Figure 3-36. Right System Fan Adhesive Tape
Machine Maintenance
3-27
7. Detach the right system fan from the upper case assembly.
Figure 3-37. Right System Fan 8. Disconnect the left system fan cable from the USB board.
Figure 3-38. USB Board Connector - Left System Fan Cable
3-28
Machine Maintenance
9. Remove the two screws securing the left system fan to the upper case assembly.
Figure 3-39. Left System Fan Screws Table 3-39.
Screws
Step
Screw
Quantity
Torque
Left System Fan Disassembly
M2 x L3.5
2
3.0 ± 0.45 kgf-cm
Screw Type
10. Release the left system fan from the adhesive tape securing it to the thermal module.
Figure 3-40. Left System Fan Adhesive Tape
Machine Maintenance
3-29
11. Detach the left system fan from the upper case assembly.
Figure 3-41. Left System Fan
3-30
Machine Maintenance
Removing the USB Board
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Remove the screw securing the DC-In module bracket to the upper case assembly.
Figure 3-42. DC-In Module Bracket Screw Table 3-42.
Screw
Step
USB Board Disassembly
Screw
Quantity
Torque
M2 x L3.5
1
3.0 ± 0.45 kgf-cm
Screw Type
4. Detach the DC-In module bracket from the upper case assembly.
Figure 3-43. DC-In Module Bracket Machine Maintenance
3-31
5. Turn the USB board over to gain access to its bottom side.
Figure 3-44. USB Board Bottom Side 6. Release the connector latch (1) from the USB board, then disconnect the USB Board cable (2). Remove the USB board from the upper case assembly.
Figure 3-45. USB Board Connector - USB Board Cable
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-45. Follow the local regulations for disposing this type of circuit board.
3-32
Machine Maintenance
7. Release the connector latch (1) from the mainboard, then disconnect the USB board cable (2).
Figure 3-46. Mainboard Connector - USB Board Cable 8. Detach the USB cable from the upper case assembly.
Figure 3-47. USB Board Cable Self Adhesive Tape
Machine Maintenance
3-33
Removing the Mainboard
0
1. Perform the “Removing the Lower Case” procedure described on page 3-9. 2. Perform the “Removing the Battery Pack” procedure described on page 3-11. 3. Perform the “Removing the HDD Module” procedure described on page 3-13. 4. Perform the “Removing the HDD Dummy Bracket (for models without HDD module)” procedure described on page 3-16. 5. Perform the “Removing the Left and Right Speakers” procedure described on page 3-17. 6. Perform the “Removing the Microphone Module” procedure described on page 3-19. 7. Perform the “Removing the Touchpad Module” procedure described on page 3-21. 8. Perform the “Removing the EL Small Board” procedure described on page 3-24. 9. Perform the “Removing the Left and Right System Fans” procedure described on page 3-26. 10. Perform the “Removing the USB Board” procedure described on page 3-31. 11. Unplug the two antenna cables from the WLAN module.
Figure 3-48. WLAN Board Connectors - WLAN Board Antenna Cables
+
IMPORTANT:
3-34
For reference during machine reassembly, note which cable color corresponds to the main (red) and auxiliary (black) connectors.
Machine Maintenance
12. Release the WLAN antenna cables from the adhesive tape securing it to the mainboard.
Figure 3-49. WLAN Antenna Cables Adhesive Tape 13. Release the LCD cable from the adhesive tape securing it to the mainboard.
Figure 3-50. LCD Cable Adhesive Tape
Machine Maintenance
3-35
14. Disconnect the LCD cable from the mainboard.
Figure 3-51. Mainboard Connector - LCD Cable 15. Release the connector latch (1) from the mainboard, then disconnect the keyboard cable (2).
Figure 3-52. Mainboard Connector - Keyboard Cable
3-36
Machine Maintenance
16. Release the Camera/Touch panel cable from the transparent adhesive tape securing it to the mainboard.
Figure 3-53. Camera/Touch Panel Cable Transparent Adhesive Tape 17. Disconnect the Camera/Touch panel cable from the mainboard.
Figure 3-54. Mainboard Connector - Camera/Touch Panel Cable
Machine Maintenance
3-37
18. Remove the three screws securing the mainboard to the upper case assembly.
Figure 3-55. Mainboard Screws Table 3-55.
Screws
Step
Mainboard Disassembly
Screw
Quantity
Torque
Screw Type
M2 x L5.5
3
3.0 ± 0.45 kgf-cm
19. Gently turn the mainboard over to access the bottom side of the mainboard.
Figure 3-56. Mainboard
3-38
Machine Maintenance
20. Disconnect the DC-In cable from the mainboard (1), then remove the mainboard (2).
Figure 3-57. Mainboard Connector - DC-In Cable
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-57. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-39
Removing the DC-In Module
0
1. Perform the “Removing the Mainboard” procedure described on page 3-34. 2. Detach the DC-In module from the upper case assembly.
Figure 3-58. DC-In Module
3-40
Machine Maintenance
Removing the Memory Module
0
1. Perform the “Removing the Mainboard” procedure described on page 3-34. 2. Push out the latches on both sides of the DIMM slot (1) until the module tilts upward, then detach the DIMM module from the slot (2).
Figure 3-59. Memory Module Latches - DIMM Slot
NOTE:
NOTE:
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in Figure 3-59. Follow the local regulations for disposing this type of circuit board.
Machine Maintenance
3-41
