TLC5940 do not work

I connected arduino nano to 3 tlc5940 and only one works (the leds are blinking) I thing I conencted ewerything rite but something is definetly wrong..

but something is definetly wrong..

Wait, wait I can see it coming, it's a bit fuzzy now but it is getting clearer.

Bang ... what was that?

Dam, that is the third crystal ball that has blown this week.

Sorry you will have to resort to posting a schematic and photograph of you setup. We need both.