Solenoid driving circuit for compact disc players for cars

摘要

A solenoid driving apparatus for a compact disc player (CDP) for use in cars which enables the CDP to operate effectively and to continue to a following operation smoothly utilizing a latch type solenoid. The apparatus includes a disc detecting section for detecting an insertion state of a compact disc into the CDP to produce first and second detection signals, a microcomputer for receiving the first and second detection signals from the disc detecting section and producing first and second control signals in accordance with the first and second detection signals, a motor driving section for providing a driving force to a driving mechanism of the CDP in accordance with the first control signal of the microcomputer, and a solenoid driving section for driving the latch type solenoid for a predetermined time when the second control signal of the microcomputer is supplied to the solenoid driving section.