| 摘要 |
PROBLEM TO BE SOLVED: To prevent a fraudulent act to a power unit 50 of a game machine. SOLUTION: The power unit 50 is provided with a box type power supply box 60, a circuit board 80 stored inside the power supply box 60, a connector 81 attached to one end of the circuit board 80, and an insulating sheet 90 provided between the power supply box 60 and the circuit board 80. The connector 81 has its one part exposed to outside the power supply box 60 via a connector exposing hole 67 provided in a predetermined position of the power supply box 60. The insulating sheet 90 is provided with an insulating part 91 covering at least a wiring part of a wiring surface of the circuit board 80, and a closing part 92 extending from one end of the insulating part 91 in the direction of the connector 81. The closing part 92 closes a part except for the connector 81 in the connector exposing hole 67. COPYRIGHT: (C)2005,JPO&NCIPI
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