Sega 999-1108 - Manual (Page 81)

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16 - 1 REMOVING THE GAME BOARD
Turn power off.
Remove the 2 trusshead screws of the back lid, unlock it, and detach it from the main cabinet.
Disconnect the connectors of all the wires between the ASSY MAIN BD STD and the main
cabinet.
Disconnect the connectors of all the wires between the shield case's filter board on the ASSY
MAIN BD STD and the main cabinet.
Remove the 2 wing bolts that fix the base (a wooden plate) of the ASSY MAIN BD STD.
BACK LID
TRUSS SCREW (2) black
M4 X 30
Disconnect the connector.
ASSY MAIN BD DX
Unlock.
FIG. 16. 1 a
Disconnect all the connectors
to the filter board.
WING BOLT (2)
M4 X 25, flat washer used.
1
2
3
4
5