The 4794 LED Driver example

hi, i am trying to connect the circuit with philips 4794 led driver http://www.arduino.cc/en/Tutorial/LEDDriver

for some reason only the first led is lit. i checked all the wiring ten times --
data (arduino pin #9 / LED driver pin #2)
strob (arduino 8 / LED driver 1)
clock (arduino 10 / LEd driver 3)
oe (arduino 11 / LED driver 15)

I use pins 4-7 and 11-14 as output / led pins on the LED driver; LEDs are connected with anodes to 5V, cathodes to driver pins via resistors. ground and 5V are wired correctly, chip orientation is correct... am i missing anything?

thanks a lot for all help in advance!
lira