On 26 Apr, 18:51, A2Aviator <a2avia...@gmail.com> wrote: > > Look at the 74F04 at location U8, it looks like it's got an issue. > Could be just the way the picture is, but .. it looks like they do > when they let the smoke out. > Thank you Tony, perfect diagnose! Why they used an "Ae like" logo on the right high corner? Mauro