controller 12 or portions of the program may be stored within the controller 12 and other portions of the program may be stored in other devices in the disc player 50 in any event when a user loads a disc 1 in the player 50 and pushes a reproduction button on the display manipulation section 13 the system controller 12 initializes the servo section 6 for controlling the focusing servomechanism the tracking servo mechanism the carriage servo mechanism the spindle servo circuit etc in addition the gain of the rf amplifier within the rf gain control section 8 is set to an initial value and a variable t is set to 0 operation s 1 then the system controller 12 instructs the first servo controller 6 a to control the carriage servomechanism and or the tracking servomechanism to move the pickup 3 to an initial position h 1 beneath the lead in area lia of the disc 1 as shown in fig4 operation s 2 subsequently the controller 12 instructs various devices to control the pickup 3 so that it irradiates a laser beam on the lead in area lia of the disc 1 moreover the controller 12 instructs the second servo controller 6 b to control the spindle motor 2 to rotate the disc 1 at a predetermined rotational speed operation s 3 based on the laser beam that reflects.