File:CD-ROM Photodetector.jpg

DescriptionCD-ROM Photodetector.jpg English: This is a photodetector salvaged from a Hitachi CDR-7930 (circa 1996). The photodetector contains 3 photodiodes

wikipedia.org/wiki/File:CD-ROM_Photodetector.jpg" rel="noreferrer nofollow">en.wikipedia.org/wiki/File:CD-ROM_Photodetector.jpg</a> Based on the similarities

5. Photodetector (photodiodes). 6. Bus. 7. Plastic cover. 8. Magnets. 9. Coils (they are used to move the len which focus the laser ray to the CD). 10