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17. GAME BOARD

17-1 REMOVING THE BOARD

To replace the IC BD (such as Game BD, Drive BD, etc.), or to change DIP SW settings, take out the IC BD by using the following procedure:

1. Turn the MAIN SW off.
   
   
2. Unlock and take off the 2 truss screws from the side of the base as shown.
   
   
3. Turn the knob to unlock. The seat can be inclined in the direction shown. When inclining the seat, be careful so as not to damage the seat parts. Carefully cause the backrest portion of the seat to come into contact with the floor.
   
   If the floor has hard surfaces, protect the seat form damage by using a cloth, etc. on the floor surfaces.
   
   
4. Take off the 3 screws to remove the case lid. The GAME BD and I/O BD are incorporated in the shield case.
   
   
5. Take off a total of 4 screws from both sides with the seat being in an inclined state and remove BASE UD F. Removing BASE LIS F allows the power supply unit, drive BD and sound BD to be checked.
   Fuses are placed in the power supply.