| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of prior art that an inserting part which must not be inserted may be inserted into the insertion hole of a master substrate, because the difference of shape, or the like, of a plurality of inserting parts is not clear, and thereby the rating which must appear essentially is concealed and the rating which must be concealed is visible. <P>SOLUTION: A substrate unit having a plurality of power supply circuit candidates of different fuse ratings consists of a slave substrate including a fuse space where package fuses are arranged alternatively so that the non-use fuse rating display is invisible, and a pad for master substrate insertion having a width different for each rating of each fuse, and a master substrate including the power supply circuit candidate corresponding to each fuse rating and provided with an insertion hole matching the pad for master substrate insertion. <P>COPYRIGHT: (C)2013,JPO&INPIT |
