Toshiba Tecra A3 Maintenance Manual page 142

Installing the USB Board
Follow the step below to install the USB board.
1. Connect the USB cable to the connector on motherboard.
Removing the System Board
To remove the system board, first remove the LCD display assembly and the top cover, then
follow the steps below:
1. Remove two 4.75 x 9.6 NI hexagonal screws securing the system board to the printer port.
HEXAGONAL SCREWS
M4.75x9.6 NI
2. Remove two 4.75 x 9.6 NI hexagonal screws securing the system board to the CRT port.
3. Remove three screws securing the Fan, and then detach the Fan from its connector.
4. Remove the system board.
Tecra A3/S2 Series Maintenance Manual
Figure 4-31 Removing the system board
4 Replacement Procedures
4-35