AOpen OpenBook 1556, Руководство по обслуживанию

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74 OpenBook 1556
Removing the Choke Heatsink
1. See “Removing the Battery” on page 55
2. See “Removing the Middle Cover” on page 59
3. See “Removing the Keyboard” on page 60
4. See “Removing the LCD Module” on page 64
5. See “Removing the Fan Module” on page 65
6. See “Removing the CPU Heat Sink” on page 65
7. See “Separating the Upper Case from the Lower Case” on page 68
8. Remove the one screw and detach the choke heatsink from the main board.
Removing the Main Board
1. See “Removing the Battery” on page 55
2. See “Removing the Hard Disk Drive Module” on page 56
3. See “Removing the Optical Drive Module” on page 58
4. See “Removing the Middle Cover” on page 59
5. See “Removing the Keyboard” on page 60
6. See “Removing the Antennas” on page 61
7. See “Removing the LCD Module” on page 64
8. See “Removing the Fan Module” on page 65
9. See “Removing the CPU Heat Sink” on page 65
10. See “Separating the Upper Case from the Lower Case” on page 68
11. See “Removing the Choke Heatsink” on page 74
12. Remove the two screws on the main board as shown below and then detach the main board from the
lower case with caution.