ds-1 mod!not working!

[liakos]

hi i tried to do keeley's mods but when i finished it didn't  work!not even when turned off! the led was working any ideas where to focus?

[Ed G.]

Check out that you replaced the right parts with the right parts. If you stuck in a capacitor instead of a resistor or the other way around, it could cause it not to work.
Check your soldering job. Look at it with a magnifying glass. Did the solder go onto other pads instead of staying where it should have? That's a solder bridge and a common reason for circuits not working.