Question about Samsung Audio Players & Recorders

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HELLO PROTECTION When I want to switch on the HD 910, the display shows HELLO PROTECTION, then the HD 910 switch automatically out, no way to do something else.

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  • fa430211 Jan 30, 2010

    Thanks for your answer.

    The speakers are disconnected, still the same message appears on the screen: HELLO PROTECTION.

    Apparently, according to your explanation, the amplifier is damaged.

    How to repair? I am in Phuket, Thailand.

    How can I be very sure that the amp is out of use?

    Regards

    John

  • fa430211 Jan 31, 2010

    Thanks for your helpfull comment.
    Appreciate the system.
    John

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  • 547 Answers

"Protection" or "Protect" on the display means that the system has detected a short on one or more of the speaker outputs. If you cross the wires at one of the speakers, it can damage the amp output circuits, so it "protect"s itself when it detects this.

Disconnect each of your speakers from the back of the amp (label the wires with masking tape and a sharpie if they aren't already labeled!) and turn on the HD910 again.
If it still displays "HELLO PROTECTION" with no speakers connected, then the amp is faulty and needs repair.
If it turns on normally (obviously no sound -- you just unplugged all the speakers!) without the "HELLO PROTECTION" message, then the amp is fine, and one of your speaker wires has crossed. Inspect each speaker cable to see if something has scratched the insulation, or if a stray wire strand has touched the opposing wire.

Turn off the HD910, connect one of the speakers, and turn the HD910 back on again.
Keep doing this process until all the speakers are connected, or until you see the "HELLO PROTECTION" message again. If you get the PROTECT message, the last speaker you connected is the source of the problem -- you may need to replace that speaker's cable if you are unable to find a problem with it.

That's a lot of info, please feel free to ask questions if something isn't clear.

Posted on Jan 30, 2010

  • Rob C Jan 30, 2010

    If it's still going into protect mode with no speaker wires attached, there is a problem in the voltage output sensors or the internal power supply. Unfortunately I don't know how to find an electronics repair shop for you in your country, but you can be confident that it needs repair work to one or both of those systems, which are all inside the amplifier unit.

    I'm sorry it wasn't an easy fix for you this time, but at least now you know where the problem lies.


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