SamyGO

I replaced mainboard from 46' to my 37' tv set and it works. Bu t from time to time a strange noise (buzing sound for 3-4 seconds) comes and goes from behind not very loud. The rest works fine.

I've made an update of submicom and now tv is dead. No stanby red light, nor any tries toreset firmware (ground to sda or reset to sda) brought no result. My tv set is le37d550 na mobo numbers code: bn41-01751a model:bn41-01751 and i found on the net mainboard from le46d550 with the same code an mod...