Here's the troubleshooting guide for this problem: http://support-us.samsung.com/cyber/popup/iframe/pop_troubleshooting_fr.jsp?idx=32109&modelname=HT-Z520
Let me know if you need anything else!
I have an HT-Z520 home theater system that will not power on. The power button flickers red/orange so I'm pretty sure it is getting power; it just won't come on. Suggestions?