Optical Drive Construction

 Optical Drive Construction

Optical drives has two parts that are Mechanical and Electronics

1 Mechanical Part

              (i)  Top & Bottom Metal Cover

              (ii)  Plastic chassis

              (iii) Face Plate or Bezel

              (iv) CD Tray

              (v) Emergency Ejecting Lever

              (vi) Laser Head Assembly

             (vii) Spindle Motor Hub

             (viii) Magnetic Coupling

              (ix) CD Tray Gear Assembly

              (x) Rubber Belt

              (xi) CD Tray Locks

              (xii) Stepper Motor Gear Assembly

             (xiv) Stepper Motor Tension Strip

             (xvi) Laser Head Guide Shaft

            

             (xviii) Buttons:- Play/Eject, Next/Previous

(xix)             Jack : For Head phone /Speaker

Electronics Parts

1Logic Card

(i)                         Processor Chip

(ii)                     Buffer Chip

(iii)                  Spindle Motor Driver Chip

(iv)                   40 pins data Connector

(v)                      4 pins Power Connector

(vi)                   Laser Head Cable Connector

(vii)               Spindle Motor Cable Connector

(viii)            Jumpers

(ix)                   CD audio pins

(x)                      Stepper Motor Cable Connector

2 Motors

     (i) Spindle Motor

     (ii) CD Tray Ejecting Motor

     (iii) Stepper Motor

3 Laser Head

4 R/W Busy LED

Optical Drives Specification 

1. Cdrom Drive   1 in 1 Read a CD

2 CD RW Drive: 2 in 1 R/W the CD

3 Combo/DVD ROM: 3 in 1 Read the CD & DVD &

Write the CD

4 DVD RW Drive: 4 in 1 R/W the CD & DVD