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Questions & Answers
Fiber optic plug does not connect
Optical fiber connectors need to be clean in order to work properly, they need some special cleaning tools, you have to ask for them at the electronic store, normally you should avoid disconnecting and reconnecting fiber optic connectors a lot.
Multi region player
DVD players come out of the factory region locked. You can either buy an player that does not have a set region (you can only get these online) or you can unlock the DVD player on a computer using software.
The system works for exactly
That would suggest heat.
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
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. Ensure 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 '*****'. 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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