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