Question about Samsung HT-DB390 System
First, wiggle the input for the speakers around to make the connection is in place. That can sometimes give you a hiss if the signal isnt connecting. If that doesnt work, then check the DVD eye to make sure its working properly. Try to unplug it, then plug it back into the wall in order to fix the issues. If the product is still under warranty contact the manufacturer immediately to discuss this. If not, check to see if the manufacturer has had any recalls on parts or have firmware upgrades. that can sometimes resolve those issues. Good luck, keep us posted!
Posted on Sep 17, 2007
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Nov 05, 2013 | Samsung HT-Z310T Theater System
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Eure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
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