Optical disk apparatus having a plurality of drawer detection sensors

An optical disk apparatus for recording and/or reproducing information on an optical disk by irradiating a laser beam onto the optical disk, the optical disk apparatus comprising:

• a cabinet member that accommodates component parts of said optical disk apparatus including a circuit board having control circuits that control various functions of said optical disk apparatus;
• a drawer member having a placement part on which the optical disk is placed, the drawer member being movable between an accommodated position where said drawer member is accommodated in said cabinet member and a non-accommodated position where said drawer member is out of said cabinet member;
• an optical pickup mounted on said drawer member so as to emit the laser beam toward the optical disk placed on said placement part;
• and
• a plurality of drawer member detection switches each of which detects a position of said drawer member, the drawer member detection switches being arranged on opposite sides of said circuit board in a state where the drawer member detection switches face each other with said circuit board located therebetween.