Hi,
There is a fuse inside of the cabinet, which is soldered into place. Once in a while the fuse wire inside the fuse ages and deteriorates. You may just need to replace the fuse. Anything more than that and you are likely looking at a costly repair.
:I HAVE A MAGNAVOX MRB130BK03 STERO AUDIO / VIDEO REVEIVER, RMS A/V REVEIVER 40HZ 20KHZ. MY DISPLAY IS NOT SHOWING. I SEARCHED THE INTERNET BUT CAME UP WITH NOTHING COULD SOMEONE HELP ME.
: