Reparación de Carlsbro Cobra 115

In this video, I tackle the challenging task of repairing this Carlsbro Cobra 115 audio amplifier that won't power on. Having been through several hands, including professional ones, the unit still won't turn on. Upon removing the amplifier stage, I find a loose wire, several burnt resistors, and a burnt diode. It also has two shorted 2N3055 power transistors and a blown fuse on the board. In a long and tedious process, during which I make several mistakes, I try to deduce the values ​​of the burnt resistors. Finally, after finding a virtually identical schematic for a Cobra 90 online, I figure out the resistor values, and after much struggle, I manage to repair the amplifier.