Abstract: In an optical disc reproducing apparatus, when an amount of light received by an optical pick-up varies or leakage light enters a light receiving portion due to the tilt of the optical pick-up or the like, a tracking control signal generation circuit adds an offset in accordance with a control value outputted from a tracking actuator controller to an output of a tracking servo filter. As a result, a tracking servo pull-in operation is performed in a state where the optical pick-up is forcibly tilted. The direction in which the optical pick-up mentioned above is forcibly tilted is determined from the result of, e.g., measuring the duty ratio of a DPD off-track signal. Therefore, a reproduction signal, a focus error signal, and a tracking error signal are correctly generated without providing a tilt mechanism in the optical pick-up.

Abstract: An apparatus that lockably connects a connector of a peripheral device to the apparatus. The apparatus includes an apparatus body having a receptacle portion that receives the connector and a locking mechanism that locks the connector in place in response to a main switch of the apparatus being turned ON. The locking mechanism includes latching members that are connected to a connecting arm and at least one of the latching members being connected to the main switch. By moving the main switch, portions of the respective latching members enter the receptacle portion and lock the connector in place. The apparatus optionally includes a control device that controls whether a signal flows to the receptacle portion based on if the connector is detected as being locked in place. Also, the invention optionally includes a compulsory unlocking mechanism and provisions for allowing the connector to be inserted into the receptacle even though the main switch is in the ON position.