Need help with what seems to be a common issue

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tagnasty

May 22, 2018
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I have a Dolphin multimedia active stage speaker, when I turn power on speakers pop then led lights come on then immediately go back off and I have no power. Have seen other Dolphin owners report same but no answers given. I did receive one answer advising to pop cover and check capacitors, however I don't know how to check them. I'm a rookie and need step by step. I cannot afford to have a pro fix it,
 
Solution
Ralston18
When a device "pops" and immediately loses power that is a sign of an electrical short.

I.e., some situation is occurring wherein the electrical current is too much and the device's safety mechanisms, breaker or fuse, activate to shut off the device.

Why the electrical current is too much could be a faulty component within the device (speaker).

A capacitor being a component and may or may not be the cause per se.

You may or may not be able to test the capacitors yourself. And, likewise, you may or may not be able to make the repairs yourself.

Start by reading the following link regarding capacitors:

https://www.ifixit.com/Wiki/Troubleshhoting_logic_board_components

Then search for additional links more targeted to your...
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Ralston18

Ralston18

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Oct 11, 2014
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When a device "pops" and immediately loses power that is a sign of an electrical short.

I.e., some situation is occurring wherein the electrical current is too much and the device's safety mechanisms, breaker or fuse, activate to shut off the device.

Why the electrical current is too much could be a faulty component within the device (speaker).

A capacitor being a component and may or may not be the cause per se.

You may or may not be able to test the capacitors yourself. And, likewise, you may or may not be able to make the repairs yourself.

Start by reading the following link regarding capacitors:

https://www.ifixit.com/Wiki/Troubleshhoting_logic_board_components

Then search for additional links more targeted to your situation.

And find a knowledgeable family member or friend to help you thereafter.

If you do the wrong thing(s) you may permanently damage the speakers.

So: 1) Gain some understanding of what is, or may be involved, and 2) Get help.

A pro to fix may be less expensive than new active stage speakers......


 
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