I got a sound system brand aiwa model cx-790h turn on and the display shows if everything will work fine but can not be heard use the output stk4162ll Yes you can help me with the team diagram. Apart very close to the output had a resistance of 220 ohms and a filter of 47uf 50v bad I proceeded to remove the exit but before replacing it with a new one I would like to have the diagram to verify to the surroundings that everything is fine thank you very much I hope your help