What are the mechanical components of a CD player?

What are the mechanical components of a CD player?

Mechanical components. A CD player has three major mechanical components : a drive motor, a lens system, and a tracking mechanism . The drive motor (also called spindle) spins the disc to a scanning velocity of 1.2–1.4 m/s ( constant linear velocity) – equivalent to approximately 500 RPM at the inside of the disc,…

What is going on in a CD player when it spins?

So what’s going on in your CD player when the disc spins around? Inside your CD player, there is a miniature laser beam (called a semiconductor diode laser) and a small photoelectric cell (an electronic light detector). When you press play, an electric motor (not shown in this diagram) makes the disc rotate at high speed (up to 500rpm).

How does the number one on a CD player work?

Every time the light reflects back, the photocell (blue) detects it, realizes it’s seen a land, and sends a burst of electric current to an electronic circuit (green) that generates the number one.

How do you listen to music on a CD player?

With the exception of CD boomboxes, most CD players do not produce sound by themselves. Most CD players only produce an output signal via a headphone jack or RCA jacks. To listen to music using a CD player with a headphone output jack, the user plugs headphones or earphones into the headphone jack.

How to remove the top of a CD player?

Top Cover Removal 1.1 Remove the three screws (21) that secure the top cover (6) to the base (9). 1.2 Insert a flat blade screwdriver into the two locations shown in Figure 2. Apply force on the flat blade screwdriver so that the grille is moved outward and clears the two tabs located on the base. 1.3 Lift up on the top cover to remove it. 2.

How does a multi disc CD player work?

Multi-disc CD players often also feature radios, or pair with a separate AM/FM radio tuner to pick up your favorite local broadcasts. Setting up home CD players as part of a bigger entertainment center is simple, and many offer connections for both speakers and headphones. Some models have feet for shelf stability.

What to do if your CD player says no disc?

12.3 Replace the two screws on the left (17) that secure the matrix assembly to the base and the two screws (17) that secure the transformer (5) to the matrix. 12.4 Lower the CD mechanism into the matrix assembly (8) so that the cables are toward the right speaker. 12.5 Lower the display PCB into the slots located on the matrix assembly.

What causes a compact disc player to go dead?

7.1.1) CD player is totally dead. Possible causes: 1. Power outlet, wall adapter, or batteries are dead (as appropriate). 2. Damage to line or wall adapter cord or plug. 3. Bad connections or faulty component in power supply (including blown fuse).