| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine in which the capacity of a power unit is effectively reduced. SOLUTION: A control circuit 145 outputs sound control signals to a sound source IC 146, and the sound source IC 146 outputs sound signals corresponding to the sound control signals to an amplifier circuit 147. A voltage control circuit 144 inputs power outputted from a voltage conversion circuit 111 and outputs the power having a voltage corresponding to the sound signals. The amplifier circuit 147 inputs the power outputted from the voltage conversion circuit 144 and outputs sound drive signals corresponding to the sound signals. COPYRIGHT: (C)2006,JPO&NCIPI
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