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Buzzing Noise...


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Hey, i just got my decks delivered today and i'v plugged it all in and it works but there is a buzzing noise in my head phones. I havent got it plugged up to a stero yet as they havent been placed near the stero so i havent tested top see if its the head phones or something else but I have 2x Technics 1210MK2 and a Gemini PS-525 Pro mixer. It never came with any instruction booklets so i had to sort of set it up my self but i'd thought i'd ask the profesionals if they knew of a problem like this?

 

Cheers,

SKillz

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Have got the earth leads of the record decks connected to the earth binding post on the mixer? http://www.dj-forum.co.uk/html/emoticons/533.gif

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Actualy i forgot to do that lol http://www.dj-forum.co.uk/html/emoticons/tongue.gif

 

I didnt get any instructons so i did it to the best of my knowlage of what i could remember from my bros decks

 

Cheers mate, i'll not forget that for when i move them lol

 

Skillz

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Yeah, I'd go with Joes suggestion first.

 

Next, make sure that any switches (or push buttons) on the rear of the mixer that switch the input levels between "Line" and "Phono" are set to Phono

 

Also check the cartridges wiring or 4stud connections.

 

Finally, check that you havent put any mains voltage gear, such as a mains transformer, a fan, PC monitor, or 4way adaptors right next to the ar of the mixer.

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skilllz

 

out of the underside of the SL1210 you will find phono leads and a black cable that should have a Y shape end on it .... this needs to be connected to the mixers earth point...

 

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With any problem like this, its best to isolate each piece of kit in turn using a known good source (such as a line level input - CD or something similar) with a known good patch lead. Then work through, bypassing each link until you find the culprit. Decks are the most common problem but weary mixers and regularly unplugged leads are also guilty. also check any connections on any balanced XLR patch leads (if you use them) as I've found simple shorts in poorly constructed ones are common.

DIY plans and pro audio related technical discussions

www.speakerplans.com/forum

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Cheers guys, its all workin great now http://www.dj-forum.co.uk/html/emoticons/biggrin.gif

 

I'll have a load more questions to ask in the next week or so in other parts of the forum so keep an eye out http://www.dj-forum.co.uk/html/emoticons/rolleyes.gif

 

Thanks,

Skillz

Edited by Gary
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QUOTE (Skillz @ Feb 12 2005, 12:36 AM)
Cheers guys, its all workin great now http://www.dj-forum.co.uk/html/emoticons/biggrin.gif

Thats great news! http://www.dj-forum.co.uk/html/emoticons/thumbup.gif

 

Just out of curiousity, what did you have to do to rectify the buzz?

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Forgot to earth the decks, as i said i hadno instructions so i did it by what i could remember from TV and other stuff but i forgot what the black wire was for so i didnt touch it lol http://www.dj-forum.co.uk/html/emoticons/tongue.gif

 

Skillz

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