Question about Sherwood Audio Players & Recorders
You don't say if this new or old equipment, new or old problem.
Usually you just unplug the headphones to enable the speakers.
The speaker switches are plainly visible...
You need those jumpers or something active to replace them...
Posted on Mar 13, 2011
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Posted on Jan 02, 2017
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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.
You can test the speaker for open or short by touching a small battery to the speaker wires. It should make static or click sounds. If not, it's dead. If it sparks and akes no sound it's shorted and dangerous to any amp.
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