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LED DOT MATRIX CURRENT PROBLEM??????

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Tanbal

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74hc574 matrix

Hi.I want to make a led matrix display (80*32) .I nead a good schematic for diriving leds.Each led needs aprox 200ma (pulsed current).In below is my incomplete schematic help me to do it .
 

gyh02133

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74hc574 matrax

Read, why should U5?

I would like to remove I would like to remove it will be even better.
 

Tanbal

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It's used to drive current of each led.if we dont use it 74hc574 maybe cant sink the current.max current sink for 74hc574 is 35ma and for uln2803 is 500ma.

Added after 1 minutes:

I need help about tip147 see the schematic .help me to correct this part.
 
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