Sega TETRIS GIANT Owner's Manual page 125

116
REPLACING THE BUTTON SWITCHES
6
Refer to Steps 3 to 5 and replace the 2P START button the same way.
Left and Right Buttons on the Joystick
Left and right buttons on 1P/2P joysticks (same)
NOTE: The button switches are comprised of a button, switch, supporter, and nut.
Perform this work with at least 1 other person to keep from dropping the parts.
1
13
Turn the power off.
2
Remove the 6 tamperproof screws and lift up the joystick ball. The wires are still connected at this point,
so be careful not to damage them.
2P START BUTTON
509-6241/SW PB WH OBSA-45UM DKC
TAMPERPROOF SCREW (6), chrome
M5×8
JOYSTICK BALL