Toshiba TRR 4/00, Tecra
Page 19
Tecra 750 Series Disassembly Overview, (cont.)
To install a modem board, follow the steps
below.
1. Place the modem pack and secure the
connector on the modem board to
PJ660 on the system board.
NOTE: Be sure a plastic insulator tab lies on
top of the green backup battery, when you
seat the modem board.
2. Make sure holes in the modem casing
are aligned with screw holes in the
computer and secure the modem board
with four M2.5x6 screws.
3. Lay the palmrest in place and press
down to seat it firmly.
4. Close the PC card slot cover and the
display panel.
5. Turn the computer upside down.
6. Secure two M2x22 silver screws and
three M2x8 silver screws to the
bottom of the computer.
7. Install the battery pack, HDD pack, and
optional memory module.
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To remove the keyboard, 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, and backup and RTC batteries.
3. Remove the tape and disconnect the
flexible cable from PJ580 on the
system board.
4. Lift up the front edge of the keyboard
and lift it out..
To remove the membrane switch, 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, and
keyboard.
3. Disconnect the membrane switch
cable from PJ570.
4. Remove two M2.5x4 screws securing
the membrane switch unit and lift off the
unit.