Good morning, friends, I already mentioned the problem, take the plate of a technician on TV to check it and I brought it and install it in vacuum and march for both sides I commented that I change two sener diodes and 2 transistors or triacs that are the ones that command the feeding of the coils of the relay after the integrated, the apologies if I do not express myself correctly and I hope to serve for another colleague the comment greetings and good weekend ..