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Topic: Nashville 400 needs repair |
Dennis Bonfiglio
From:
Cape Coral, Fl
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Posted 1 Dec 2008 2:08 am |
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| My NV 400 has started to cut out on me. Starts breaking up, then goes out, after a few seconds, it has been coming back on. I unplugged all effects and replaced the cord and tried a different guitar. Problem still exists so I guess its the amp. Any thoughts as to what might be causing this before I send it off for repair. Thanks in advance for any suggestions, Dennis |
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Ken Fox
From:
Nashville GA USA
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Posted 1 Dec 2008 5:15 am
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| Try plugging a short guitar cord or pedal patch cord from the preamp out to power amp in jack. |
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Mike Brown
From:
Meridian, Mississippi USA
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Posted 1 Dec 2008 6:21 am Nashville 400
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| Try connecting a shielded instrument cable between the pre eq out and pre eq in. This will indicate whether the pre eq in jack is switching properly. If this is the problem, change out the pre eq in jack. |
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Dennis Bonfiglio
From:
Cape Coral, Fl
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Posted 7 Dec 2008 6:08 pm
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| Thanks guys, Tried both suggestions but neither stopped the problem. Could it be a problem with either overheating causing the thermostat to trip or could it be a bad thermostat? |
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Eric Philippsen
From:
Central Florida USA
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Posted 7 Dec 2008 10:20 pm
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| Could be the Molex connector for the reverb/chassis connection. Reach inside and under, pull it off and reconnect it. Or wiggle it gently when the amp's sound goes out. All the other possibilities that the previous repliers' have written about have happened to my NV 400's. They're great amps, though, and after 25+ years of playing through them I have no complaints. |
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Mike Brown
From:
Meridian, Mississippi USA
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Posted 8 Dec 2008 6:39 am Nashville 400
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| One last thought.....................try cleaning out the gap of the BW magnet. There could be a metal particle that could be sticking to the voice coil. |
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Ken Fox
From:
Nashville GA USA
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Posted 8 Dec 2008 7:17 pm
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Does your amp have the infamous Molex connector for the speaker? If so, remove it and re-tension the female contact in the connector.
If all that does not help it is time to send it in for repair to Peavey or my shop.
If the temp stat on the power transistor was opening up the power light would go out, as the AC power is routed through the normally closed contact on that thermal unit. |
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Dennis Bonfiglio
From:
Cape Coral, Fl
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Posted 14 Dec 2008 8:56 am
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Hey Guys,
Thanks for all the suggestions. The molex connector was one of the first things I tried but I could barely get it off it was so tight. Thought it was the thermo coupler but there wasn't anything remotely warm to make it trip so I bypassed it. Nope, not that either. Took it to my kid who tinkers more than me. As he was fooling around with it he grabbed the cooling fins and it started making cracking noises. Of course when I wanted the thing to cut out it wouldn't. He traced the cracking noises to some corrosion on the ground wire. Cleaned it up, tightened it down, badda bing badda boom its fixed!!! Boy would I have felt stupid if I sent the thing out for repairs. |
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Mike Brown
From:
Meridian, Mississippi USA
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Posted 14 Dec 2008 3:28 pm Nashville Repair
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If you wish to send it to the factory our factory techs will repair it for you. Our address is;
Peavey Service Center
Attn; Repair Department
412 Hwy. 80 East
Meridian, MS 39301
Include a copy of this posting and your daytime phone number. Thanks. |
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Joseph Barcus
From:
Volga West Virginia
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Posted 14 Dec 2008 3:51 pm
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I can say one thing about peavey and Mike Brown. peavey is top notch on the repair of the items they sale. I had a Fender steel king a while back. good luck getting in touch with fender to fix your item. I am now 100% peavey equipped
_________________
https://www.youtube.com/channel/UCvuH7H8BajODaL_wy3_HSJQ |
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