Toshiba TRR 4/00, Tecra
Page 23
Tecra 750 Series Disassembly Overview, (cont.)
To install the middle frame, follow the steps
below.
1. Reroute the cables and replace the
probe pin harness.
2. Secure the probe pin harness to the
middle frame with two M2x5 screws.
3. Secure the bracket over the probe pin
harness with one M2x3 screw.
4. Make sure the Selectable Bay release
lever is extended and the Selectable
Bay lock is in the lock position.
5. Seat the middle frame and make sure a
small tongue on the middle frame’s
Selectable Bay locking mechanism fits
into a corresponding notch on the
external Selectable Bay lock.
6. Secure one M2.5x8 screw next to the
Selectable Bay lock arm, then secure
the other five M2.5x8 screws.
7. Secure the middle frame to the bottom
cover with one M2.5x4 screw.
8. Seat the PC card slot cover.
9. Secure the Selectable Bay top cover
with two M2.5x4 screws and one
M2.5x8 screw.
10. Connect two secondary battery cables
to the I/O board.
11. Install the battery pack, HDD pack,
optional memory module, modem
board, backup and RTC batteries,
keyboard, membrane switch, top cover
with display assembly, and system
board.
5. Lift out the I/O board.
6. Lift out the base shield assembly.
4. Remove one M2x6 screw securing the
I/O board to the bottom cover.
To remove the I/O board, 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, HDD pack,
optional memory module, modem
board, backup and RTC batteries,
keyboard, membrane switch, top cover
with display assembly, system board,
and middle frame.
3. Remove the battery pack jumper as
follows:
(a) From the bottom of the battery
pack slot, push up on the
battery jumper contact and
slide it forward.
(b) Press down on the jumper as
shown in the Figure below and
slide the jumper out to remove
it.
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