Question about Televison & Video
Sorry I am not sure what you mean- Icelandic is my first language, please explain.
all the best
Posted on Feb 16, 2012
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Posted on Jan 02, 2017
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Nov 15, 2014 | NAD T760
Reference No Part Number Description
M751*AH 5120-0200-0 Fuse 5A 125V Time Lag 5x20 MM MITI/UL/CSA
M754*AH 5120-0052-0 Fuse 1.6A 250V Time Lag 5x20 MM UL/CSA
M752*C 5120-0024-0 Fuse 3.15A 250V Time Lag 5x20 MM SEMKO/VDE
Check them first and inform me which one has blown out. I'll give you detais after that. OK.
Oct 26, 2011 | NAD T760
Generally speaking, an amp protects 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 '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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