blinking

hello everyone, i hope someone can help me here.my krell dvd showcase keeps shutting off.sometimes it cant even play even the first song of a cd or dvd disc.but sometimes it can play also about 4 to 8 songs then shuts off again and standby lights blinks about 5 seconds then back to normal,steady...

One day my Marantz NR1501 only showed a blinking standby led when powered on. Nothing strange happened the day before. I had no complaints about sound or other functions. If I reset the unit by using the menu and cursor buttons and power it on, I see the FM radio on display and I'm able to push...