Fujitsu Lifebook T731 Assembly instructions

Page 1
LIFEBOOK T731
and Compatible Models
Authorized Service Provider Repair Guide
Make sure the LIFEBOOK is turned off before beginning this procedure
ESD guidelines were followed during the creation of the Authorized
Service Provider Repair Guide. T
o learn more about ESD please refer to
the Fujitsu America’s Authorized Service Provider website.
Authorized Service Provider Repair Guides are created by
Lisa Brooks
Tony Fink

Page 2
LIFEBOOK T731
Disassembly
ESD Precautions are required when working on this LIFEBOOK computer.
Make sure the LIFEBOOK is turned off before beginning this procedure.
1. Turn the LIFEBOOK over.
2. Remove the Battery.
3. Eject and remove the Optical
Drive.
4. Remove the Dust filter.

Page 3
5. Remove 2 screws securing Hard
Drive cover and remove the cover.
6. Remove 1 screw securing Hard
Drive and remove the Hard Drive.
7. Remove 4 screws securing Hard
Drive bracket (2 on each side).
8. Remove 1 screw securing memory
cover and remove the cover.
9. Release clips securing memory
and remove the memory.
10. Remove 1 screw from the LCD
cable cover and remove cover.

Page 4
11. Disconnect cables from WLAN
card.
12. Remove 1 screw securing WLAN
card and remove card.
13. Disconnect Antennas from
WWAN card.
14. Remove 1 screw securing WWAN
card and remove card.
15. Remove 2 screws securing Fan
and remove Fan.
16. Remove 11 screws securing Lower
Assembly.

Page 5
17. Remove screw covers from right
and left sides of LCD.
18. Remove screws from right and left
sides of LCD and remove front
Hinge cover.
19. Remove rear Hinge cover.
20. Remove 1 screw securing Rotation
board.
21. Remove Rotation board and
Keyboard from System board.
22. Disconnect Rotation board from
Keyboard.

Page 6
23. Lift up Bluetooth board and
disconnect cable.
24. Disconnect USB cable from System
board and USB board and remove
cable.
25. Remove 2 screws securing Hinge.
26. Remove 2 screws from the rear
securing the Hinge.
27. Unroute the Antennas.
28. Disconnect LCD cables from the
System board.

Page 7
29. Remove LCD assembly from
Lower assembly.
30. Disconnect Glidepoint cable from
the System board.
31. Remove 3 screws securing the
Upper cover.
32. Remove Upper cover from the
Lower assembly.
33. Remove 2 screws securing USB
board and remove board.
34. Remove 1 screw securing LED
board and remove board.

Page 8
35. Remove tape securing TPM chip
and remove chip.
36. Remove 2 screws securing System
board.
37. Remove 2 hex screws from VGA
connector.
38. Remove the System board.
39. Disconnect the DC connector
from the System board.
40. Remove 3 screws securing Heatsink
and remove it from the System
board.

Page 9
41. Unlock the CPU and remove it
from the System board.
42. Photo of Lower Cover assembly.

Page 10
LCD Assembly (Disassembly Procedures)
43. LCD Assembly.
44. Remove 7 screw covers and screws
as shown.
45. Use a plastic Pry Tool to remove
the LCD front cover.
46. Remove 4 screws securing LCD.
47. Remove tape securing LCD cable
and disconnect LCD cable.
48. Remove tape securing Digitizer
cable and remove Digitizer.

Page 11
49. Disconnect Digitizer cable from
Touch Screen.
50. Separate LCD from Touch Screen.
51. Remove 4 screws securing LCD
bracket. (2 on the right and 2 on
the left.)
52. Remove Digitizer cable from the
Active Digitizer.
53. Disconnect Flex cable from LCD
control board.
54. Remove tape securing Active
Digitizer.

Page 12
55. Remove Active Digitizer from
LCD.
56. Remove 1 screw securing
Fingerprint Sensor board and
remove board.
57. Remove 1 screw securing
Microphone board and remove
board.
58. Remove 2 screws securing
Application board and remove
board.
59. Remove 2 screws securing LCD
latch and remove latch.
60. Remove 1 screw securing WebCam
and remove WebCam.

Page 13
61. Remove 4 screws from Hinge.
62. Gently remove the Hinge cap.
63. Unroute cables while removing
Hinge from LCD assembly.
64. Remove microphone cable.
65. Photo of LCD back cover

Page 14
LIFEBOOK T731
Assembly
ESD Precautions are required when working on this LIFEBOOK computer.
Make sure the LIFEBOOK is turned off before beginning this procedure.
1. Photo of LCD back cover.
2. Replace Microphone cable.
3. Route LCD cables through center
of Hinge.
4. Replace Hinge cap.

Page 15
5. Secure hinge to the LCD back
cover with 4 screws.
6. Replace WebCam and secure with
1 screw.
7. Replace LCD latch and secure
with 2 screws.
8. Replace Application board and
secure with 2 screws.
9. Replace Microphone board and
secure with 1 screw.
10. Replace Fingerprint Sensor board
and secure with 1 screw.

Page 16
11. Replace Active Digitizer to LCD.
12. Replace tape to secure Active
Digitizer.
13. Connect Flex cable to the LCD
control board.
14. Connect Digitizer cable to the
Active Digitizer.
15. Replace LCD bracket and secure
with 4 screws (2 on the right and 2
on the left).
16. Reassembly LCD and Touch
Screen.

Page 17
17. Connect Digitizer cable to Touch
Screen.
18. Replace Digitizer and connect
cable.
19. Connect the LCD cable.
20. Replace 4 securing the LCD.
21. Replace LCD front cover.
22. Secure LCD with 7 screws and 7
screw covers.

Page 18
23. Photo of Lower Cover assembly.
(Begin Lower Assembly)
24. Photo of the Lower Cover
assembly.
25. Replace and lock the CPU to
secure.
26. Replace Heatsink and secure with
3 screws.
27. Connect the DC connector.

Page 19
28. Replace the System board.
29. Replace VGA connector and
secure with 2 hex screws.
30. Replace 2 screws to secure the
System board.
31. Replace TPM chip and secure with
tape.
32. Replace LED board and secure
with 1 screw.
33. Replace USB board and secure with
2 screws.

Page 20
34. Replace Upper cover to the Lower
assembly.
35. Secure Upper cover with 3 screws.
36. Connect Glidepoint cable to the
System board.
37. Replace LCD assembly to the
Lower assembly.
38. Connect LCD cables to the
System board.
39. Route Antennas.