Question about Line 6 Spider Iii 75 Guitar Combo Amplifier

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My line 6 spider 3 75W amp will not show any lights when I turn it on nor make a sound. Only the backlight on the display will turn on and be blank. I have tried the factory reset and it still will not make any noises.

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  • Line 6 Master
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Probably the 3.3 volt power that supplies the DSP has failed or is being shorted out. If you are not electronicaally adept, best to take it to a shop for repair.

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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Line 6 spider ii. As soon as I turn on the power I get a huming sound. can not adjust anything. The only sound is the hum. Could it be a transformer problem! much appreciated


Not a transformer problem... this is likely filter capacitors, rectifiers, and PROBABLY a bad amp chip. Service this before it wrecks the speaker.

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I am guessing that you are trying to replace the presets the amp comes with, with your own. In which case all you do is dial in the sound you want and then hold either the clean,crunch,metal, or insane buttons until you see the light flash. Usually hold it for about four seconds.

Mar 08, 2010 | Line 6 Spider Iii 30

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Hi My line 6 spider 111 30 has a problem The amp will switch on but there are no light showing and no sound, there is power to the amp as it will hum slightly when switched on


The hum MIGHT be directely from teh power transformer vibrating the chassis RATHER than via the speaker. This is an important detail to investigate.

Jan 14, 2010 | Line 6 Spider Iii 30

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Hi there. Sounds like the power amp IC is shorted. Must replace.
Paul

Jul 04, 2009 | Line 6 Spider Iii 15 Modeling Guitar...

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Amp turns on but no sound even with diff guitars and cords


Hi Dan
I wish I could just say what to fix, but you can not do this at home. Line 6 is a great amp and worth the time taking it down to the music shop , to be looked at an give you a repair estimate. good luck keep on rocking in the free world. DFD

Apr 12, 2009 | Line 6 Spider Iii 15 Modeling Guitar...

1 Answer

Black boxes on the lcd screen of the spider 6 III amp


unplug it and open it up. there are ribbon tape connections in there that arent very secure. maybe one came loose...

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1 Answer

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Make sure both the master volume and channel volume is up. If that does not do it, take it to the nearest Line 6 repair center.
http://line6.com/support/serviceCenters/

Mar 28, 2009 | Line 6 Spider Iii 30

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