Sega TETRIS GIANT Owner's Manual page 126

3
Another person should disconnect the 2 connectors.
4
Grab both sides of the switch with your fingers and rotate it approximately 45 degrees in the direction of
the arrow in the figure to take it off.
5
Disconnect the connector and take off the switch to replace it.
Disconnect the connector.
SM4P (white), SM4P (black)
SWITCH
SWITCH
REPLACING THE BUTTON SWITCHES
Disconnect the connector.
NH4P
117
13