| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize control baseboards, to reduce cost, to facilitate a wiring work, to reduce noise and to surely exchange signals, etc., between the control baseboards. SOLUTION: A voice controller 21 storing a voice control baseboard 20, a main controller 23 storing a main control baseboard 22 and a discharge controller 25 containing discharge control baseboard 24 are arranged on a rear mechanism set board G. A pattern display device provided with a pattern display control baseboard and a lamp controller 81 storing a lamp control baseboard are arranged in a rear set member 13. A power source device 35 containing a power source baseboard 34 for supplying a power source to the respective control baseboards is arranged in a rear cover member 33 which is disposed in the rear set member 13. Then the main control baseboard 22, the discharge control baseboard 24, the pattern display control baseboard, the voice control baseboard 20 and the lamp control baseboard are arranged in the circumference of the power source baseboard 34.
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