Known as the ''PS2'', it is a sixth-generation video game console first released by Sony in Japan in March 2000. The United States saw it later in 2000 with the SCPH-30000. Repair of this device requires only common tools, but can get tricky.
rajeevram since this is a very general question the general answer would be a dirty or failed laser. You can , replace the laser assembly, try and clean the laser assembly, or try to see if you can make adjustments to the power pots.