Question about Cell Phones
I checked all the settings so, it must be shorting out or ?? Once while listening on my speaker phone, I turned 'mute' on and the volume returned. Also, my battery seemed to use-up it's charge much quicker in the last few days when I noticed the volume problem. Now my charge is lasting much longer as it did when new. I'm on social security and am trying to avoid a repair bill or cost of a new phone. Please help and thank you for reading my message. John
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Posted on Jan 02, 2017
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Generally speaking, an amp protects itself from heat, shorts and overloads 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.
Check for loose speaker connections as a root cause for intermittent shutdown.
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