hey guys im stump on this one ive been testing this amp using this schematic https://www.fender.com/support/amp_schematics/pdfs/Frontman_15G_Schematic_68F.pdf and the test points and at test point 1 (CR7) and i get 0 volts. yet the TPS2050 the heat sink gets relay hot if left on for more than 5 senconds. at test point 15 which is pin 1 on the TPA i get 4.8VAC?!?!?! what is goin on here im thinking it a bad transformer.