| 摘要 |
PROBLEM TO BE SOLVED: To enable an output terminal mounted on a control board, etc., to be brought into contact with the rear surface board of a case different in depth dimension by changing the position of the control board with respect to the frame of an optical disk drive unit. SOLUTION: A positioning pin 25 and a lock pawl 27 are formed in the frame 18 as an engagement part. The control board 17 includes two pairs of positioning holes 30, 30A, lock holes 31, 31A, and the through-holes 33, 33A of screws 32 at intervals in a front and rear direction. Ones of the positioning holes 30, 30A and the lock holes 31, 31A are selected to be engaged with the positioning pin 25 and the lock pawl 27, so that the attachment position of the control board 17 is changed with respect to the frame 18. Consequently, the output terminal mounted on the control board 17 is not damaged by strongly abutting onto the rear surface board 3 of the case 1 and, on the contrary, a gap is not caused between the output terminal 35 and the rear surface board 3. COPYRIGHT: (C)2006,JPO&NCIPI
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