CD player is actually what we commonly refer to in daily life as a CD player, and some people also call it a laser disc player or a laser turntable. It is an intelligent high-fidelity stereo audio device controlled by a microcomputer, utilizing advanced laser technology, digital technology, computer technology, and various new components. It has the advantages of high-density recording, long playback time (up to 60–75 minutes), easy operation, and fast track selection. It can realistically reproduce recorded content, with clear layering and a sense of presence.
Principle of construction
CD phono is mainly composed of laser pickup and turntable system, servo system, signal processing system, information storage system and control system. The laser pickup is a key component of a CD record player, consisting of a semiconductor laser, an optical system, and an electrical detector.