| 摘要 |
PROBLEM TO BE SOLVED: To enable a main board and a prize ball control board to complete a backup processing based on a first voltage decline signal even when a supply voltage becomes instable and to store correct data at all times. SOLUTION: This game machine is provided with voltage monitoring means 14, 15 and 16 for transmitting the voltage decline signals for instructing the backup processing to the various kinds of boards 2 and 3 at the time of detecting that the supply voltage to the various kinds of the boards 2 and 3 declines to a prescribed value or lower. The voltage monitoring means 14, 15 and 16 continuously transmit the voltage decline signals at least for the time spent for the backup processing.
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