Toshiba TEC B-SX4T Series Maintenance Manual page 136

4. INSTALLATION PROCEDURE FOR OPTIONAL EQUIPMENT
EO18-33012B
4.19 EXPANSION I/O INTERFACE BOARD (B-7704-IO-QM-R)
4) Lift the side panel (L) and put it aside.
5) Disconnect the fan motor harness from CN19 on the Main PC board, and then separate the side
panel (L).
CN19
Side Panel (L)
Fan Motor Harness
Fan Motor
Main PC Board
6) Remove the two M-3x6 screws and detach the blind plate B from the back.
M-3x6 Screw
Blind Plate B
7) Remove the two B-3x6 screws from the expansion I/O board.
B-3x6 Screw
8) Connect the expansion I/O cable to CN3 on the Main PC board.
Main PC Board
Expansion I/O Cable
CN3
4-119
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