| 摘要 |
PROBLEM TO BE SOLVED: To provide electric equipment consisting of a plurality of casings in which cost is reduced and maintaining of performance is made easy. SOLUTION: A casing 10 is provided with an AC-DC conversion circuit 13 which converts an a.c. voltage VAC1 supplied from a commercial power supply (not shown in the figure) into a d.c. voltage VDC2 . A casing 20 is provided with an AC-DC conversion circuit 23 which converts an a.c. voltage VAC3 being outputted from the casing 10 to d.c. voltages VDC3 to VDC7 , a large current circuit 21a (a circuit having a larger driving current than a small current circuit 21b) which makes the voltage VDC2 a driving voltage, and the circuit 21b (a circuit that needs a plurality of driving voltages) which makes the voltages VDC3 to VDC7 a driving voltage.
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