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Toshiba TRR
4/00, Tecra
Page 17
Tecra 780CDM / 780DVD Disassembly Overview, (cont.)
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 fan, follow the steps below.
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.
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