hello my name is Diego and I'm new here in the forum, need help from you guys, I'm having trouble with a EPT3600-14b galaxy, he lost the red TX LED is not connected, D77 found defective, I made the change and it was ok, however TX has no power in ssb and am, voltages are all ok and the integrated TR found in al d15 d16 and burned, they are 1ss53, anyone know what would be the equivalent of 1ss53? thank you and sorry for my bad english