Tyan Computer Transport GT20 B3970-U - Manual (Page 47)

Chapter 3: Replacing Pre-Installed Components 39
3.6 Replacing the LED Control Board
Follow these instructions to replace the LED control board.
1. Remove two screws securing LED control board unit to
the chassis.
2. Lift the LED control board unit free of the chassis.
3. Remove three screws securing LED control board to the
bracket.