my technics system is SC CH 404 & it also show the same error. few years back when volume was increased above a certain limit E 61 appeared on the screen and the system shutdown by it self. it stayed the same for all this time and now all of sudden it stopped turning on. when power button is pressed, it shows E 61 and turns off without starting up. please acknowledge.

i want to fix my radio without having to pay for it and i cant seem to figure out how to fix it and i was woundering if you could tell me how to do and whatis wrong with it so if you could please email me and give me some suggestions on how to fix it