Barco RLM W12 Service Manual page 40

Loosen 6 screws on the I/O terminal of
the slave board on the left cover.
Unplug 5 connectors on the top left of
Slave board.
Unplug 4 connectors on the bottom left of
Slave board.
Unplug 10 connectors on the top right of
Slave board.
Unplug 5 connectors on the top left of Slave
board.
Loosen 3 screws on the Slave board.
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