First of all thank to longpole001 and Dave for reply.
Before this post I read the datasheet of PIC18F23K22, the device.info, use melabs config and,try the same code with the rest of three devices purchased few days ago with no result seems like no powered microcontroller. I think make a mistake somewhere in the code but can't see where.The experimenter board used, have no faults on power, vcc decouple or mclr, xtal etc. I used this board many times on other proyects.
Alex
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