Azimuth adjustment

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Here is a copy and paste of what Charlie_PS2 once wrote on this matter....

Proceed as follows, with the PS2 already open - at your own risk of course:

1/
Carefully remove the top of the CR-ROM drive, four small screws.

2/
Power up and eject the drawer. Don't look into the laser lens, infra red is invisible and can cause retinal damage (it's probably safer to switch off when the cover is off the drive).

3/
Put a tiny drop of white correction fluid (or similar) on the screw to keep track of its position. You can feel how 'loose' the screw setting is by holding that side of the sled and seeing how much play there is. (This 'play' is deliberate, the screw must NOT be
tightened up so that the sled cannot move.)

4/
Put an 'iffy' disk (DVD-R) in the drive. Put the drive's cover back on, no need to fit the screws, a small coffee mug stood on top will suffice. See how good the 'boot' is.

5/
Eject the disc, remove the cover and move the screw clockwise a little. KEEP A NOTE OF WHAT YOU'VE DONE. Try again. Be
patient. Once you have found the position where boot will not happen, go the other way and find the other 'no go' end of the range.

6/
Keep going until you have a range of positions (probably less than half a turn) where the boot is best. Set the screw in the middle of that range.

7/
Verify that normal DVDs and CD still work OK. They should work, probably even better than before (if ypu'd notice).

CAUTION: If you tighten the screw up tight then the sled will not be able to move and you may damage the sled motor or mechanism.