Tecra 780CDM / 780DVD Disassembly Overview, (cont.)
ê
To remove the fan, follow the steps below.
1.Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer.
2.Remove the battery pack, optional PC card, HDD pack, optional memory module, modem board, backup and RTC batteries, keyboard, membrane switch, top cover with display assembly, and system board.
3.Turn the system board upside down and remove tape securing the fan cable.
4.Disconnect the fan cable from PJ550 on the system board.
5.Turn the system board right side up and remove two M2.5x4 screws.
6.Lift out the fan.
To remove the middle frame, follow the steps below.
1. | Turn off the power to the computer. |
| Disconnect the AC adapter and all |
| external cables connected to the |
| computer. |
2. | Remove the battery pack, optional PC |
| card, HDD PACK, optional memory |
| module, modem board, backup and |
| RTC batteries, keyboard, membrane |
| switch, top cover with display assembly, |
| and system board. |
3. | Remove two M2.5x6 screws and one |
| M2.5x8 screw securing the SelectBay |
| top cover to the middle frame. |
4. | Two positioning pins fit into holes on |
| the SelectBay top cover, so lift the cover |
| straight up to clear the pins. |
5. | Remove three M2.5x10 silver screws |
| securing the CONN holder assembly |
| and lift out the CONN holder assembly. |
6. | Disconnect two secondary battery |
| cables (PJ511 and PJ512) from the I/O |
| board and remove the cables with the |
| protective metal plate. |
7. | Remove two M2.5x8 screws securing |
| the middle frame to the bottom cover. |
8. | Pull out the SelectBay release lever |
| and set the SelectBay lock to the lock |
| position. |
CAUTION: Make sure the SelectBay lock is locked before removing the middle frame from the bottom cover. If you remove the middle frame while the SelectBay lock is unlocked, the I/O board will be damaged.
NOTE: Make sure the screw in the memory slot has been removed.
9.Remove the middle frame from the base of the computer.
Toshiba TRR | Page 17 | 4/00, Tecra |