Sega TETRIS GIANT Owner's Manual page 140

7
With the SystemSP board still attached, take off the base (wooden plate). Be careful not to damage the
wires when doing so.
8
Disconnect the 4 connectors connected to the SystemSP board.
9
Remove the 4 tapping screws and take the SystemSP board off.
RA60P
RA30P
VH10P
TAPPING SCREW (4)
3.5 x 16
GAME BOARD (SystemSP)
NH5P
131
16