as allwinner deals mostly in consumer electronics stuff. they do not attend any individuals at all . so we need to source our processor some china some where may be ebay or aliexpress.
i have ordered 5PCs of the chip from aliexpress, arrive very fine packaging and completely unused new chip. everything is fine.
so now we have our processor , we need to repair a schematic of the board.
it is going to be large tutorial so i have distribute in parts . next part follows with name.