Hi guys, my SCPH-3902 ps2 has been giving me problems. It seems that my machine is having trouble most of the time. While reading a disc loud stuttering noises can be heard frequently, up till a point where the game will hang. Frustrated, i searched on the net for help and stumbled onto Mik3h's troubleshoot guide. Following the instructions written there I managed to open my PS2 loading tray. However, the set that I have is quite different from Mik3h's for it does not have any accessible removable white gear. I was only able to clean the lens with alcohol though that didn't seem to solve the problem. The white gear couldn't be seen and hence couldn't be adjusted as shown below. Is there any other way which i can adjust the level of the lens? Please help.