| 摘要 |
PROBLEM TO BE SOLVED: To improve the flexibility in the design of the back structure of a pachinko machine. SOLUTION: On the lower right side of the back surface of a mechanism plate 12 attached on the back surface side of the machine frame 11 of the pachinko machine, a power board 21, a distribution board 22, a delivery control board 23, a sound control board 24 and a frame relay board 25 are provided. The respective boards 21-25 are disposed almost parallel to the back surface of the mechanism plate 12, and by considering that the power board 21 scarcely needs an examination, an inspection and repair, etc., the delivery control board 23, the frame relay board 25 and the sound control board 24 are piled up and disposed on the power board 21. Thus, the occupancy area of a circuit board on the mechanism plate 12 is reduced by the area of the power board 21 and the arranging space of other back components is enlarged by the area of the power board 21. Also, an image control board 35 is provided on the back surface side of a center accessory unit and a terminal board 40 is disposed on the back surface side of the image control board 35.
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