Many thanks Gilar for responding, and if it is a mess as you say to follow up the question but hey, apologies regarding the diode you do not know if it is a normal or special diode, could you put a 1N4748? or what you can ask, with which nomenclature given that is a smd logic, or what features you will have to ask for something similar to have if you have left, agradesco much your help and try to repair this card if not then I will have to buy it.