I need schematic TDA7293 From ebay

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I need some help. I am a new DIY and didn't know much about the electronics.
I had won the bid of TA7293 x4 BTL + NE5 532 from ebay (350W Mono TDA7293 X 4 + NE5532 POWER AMPLIFIER KIT - eBay (item 200399714381 end time Oct-31-09 21:08:04 PDT)
I would like to have the schematic so i had write to ask the seller but the seller doesn't have it.

Can anyone find me the schematic for this board?
and if i want to disable the working of pre NE5 532, what
should i do? I may use another pre to work it out or switch it with NE5532.

I hope to hear from your guys.
Thank you very much.
 
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