Question about Technics SL-1200MK5 Turntable

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Hi, there is a hissing sound coming from my turntables, is it the RCA cable that connects to my mixer which is damaged? i tried to desolder it to change the cable but the small copper plate under the solder came out together with the RCA cable, can I buy a replacement electronic plate or is it repairable the small copper plate? thanks for help Mat

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I've used an 'RF isolator' or 'ground loop isolator' to remove hiss
Its essentially a $20 1:1 transformer (ie no transforming) with RCA ins and outs.
I got mine from Radio Shack (now called the source i guess).

Takes out all kinds of hums and hisses.

I hope that helps.

Posted on Mar 13, 2011

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Posted on Jan 02, 2017

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Loud buzz from deck, seems to be coming from RCA cable


It seems that is bad grounding of the gear, check i everything is conected to ground. I can also be the quality of the cable, Bad cables can produce a lot of noise, try using other cables.

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Hi there, i just bought 2 Technics mkii


well" for a start, they need to go into a phono socket, this amplifies them.
i take it you bought 2 decks with the intentions of mixing, so you gonna need a mixer.
MIXER & DECKS SET UP:
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Why won't both my turntables play out of my mixer?


I am guessing but it sounds like a gorse impedance mismatch. You should never connect two outputs together unless they are specifically designed for that. Since you are listing to mono why not send each output to the Base Amp the other to the cabinet. That should resolve the problem.

Mar 29, 2013 | Numark Im1 2-channel Pro Dj Mixer With...

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I received the turntables and mixer but Im having trouble installing everything together. Is there any companies that can help you install the turntables, mixer, and speakers


Not to worry if you can take some pains and be confident. First of all arrange the turntable, the mixer, the amplifiers and the speakers. Connect the turntables two RCA pins to the PHONE pins L and R. of the mixer. Using another set of RCA cables to connect the output of the mixer to the amplifier's AUX inout L and R. Try to connect the red and white in accordance to the L&R. The speakers should be cconnected to the left and right of the amplifier's main. if you have front and rear use them but connect with the polarity of the red and black polarity . Use a good power supply multipin unit to connect all the power. Do not switch on until you have checked once again. Now switch on and play your favourite record. DO take time to do and you will suceed. Good day

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Cant connect my Numark PT-01 to my Numark DM950 mixer


What do you mean it didn't work? What happened? Are you getting no sound, did the plugs not fit? Please be more specific.

If you are not getting any sound, make sure you connected to the LINE input of the mixer - the PT01 has Line Level outputs, so you CANNOT connect it to the Phono input, as the signal will be too hot for the mixer - so make sure it is in the LINE INPUT. Also make sure the toggle switch on the mixer is set to LINE. There is nothing else to this set up, raise volumes, and that's it. It's very simple.

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Jan 08, 2009 | Audio Players & Recorders

1 Answer

Dj decks-no sound


You didn't state if you purchased this used or new. If used, maybe the tonearm or the rca cables are bad. Or, if you set it up inccorectly.

Just to be sure...

TURNTABLE -> MIXER PHONO INPUT (CH1 or CH2) -> OUTPUT MIXER (MAIN OUT) -> STEREO INPUT (AUX IN or LINE IN).

Make sure you have the line selected properly on your receiver, and if you have a tape function, press the button in and out. Sometimes this will affect the sound. Now, check to see if your getting any signal to your mixer. Make sure the toggle switch on your mixer is set for PHONO and not LINE. Raise all volumes, including heapdhone, and see if you hear or see anything on the levels.

If all is good, but no signal going to mixer, then you might have a bad tonearm or RCA cables....

To check, disconnect the cartridge/headshell from your tonearm. Look inside the tonearm, and you'll see 4 gold plated prongs. Make sure they are all evenly protruding. Also make sure they are all a shiny. If you see any black substance on any of the prongs, they need to be cleaned. If any look like they are stuck, and not sticking out like the other ones, this would also cause an issue. This cannot be repaired. You can try to get the prong to come out, but if it does not work, you will have to replace the tonearm.

If everything with the tonearm looks good, then the issue might be the RCA cables. There is no easy way to check this, other than opening up the turntable. This is not easy, and I do not recommend.

Let me know how it turns out.

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1 Answer

Tecnics 1200 MK2 No sound.


It's more than likely your tonearm or your RCA cables. Does the sound come in at all? Try wiggling the RCA cables. If no sound whatsoever, then more than likely it's your tonearm, and will need to be replaced.

Tonearms for this model are available HERE, however, I don't recommend trying to replace this yourself, as it is rather complicated, and you could cause more damage to the unit.

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Mar 17, 2008 | Technics SL-1200MK2 Turntable

1 Answer

Left output from one of my turntables cuts out regularly leaving a hum


No, the issue is either with the RCA cables or the tonearm. You might also want to check your cartridge and headshell connection. Make sure the contacts are nice and clean, and securely on the headshell. Have you tried swapping out your turntables? Take the left turntable, and put it on the right channel's input, and vice-versa? This will tell help isolate the issue. If the problem just moves, then we know it's not your mixer. If the problem remains on the same side, then you know there is something wrong with your mixer.

If the problem moves, then you can safely say it's your turntable with the issue. The STR8-30's aren't the greatest quality, so it's also possible that you have a faulty tonearm or RCA cables.

Hope this helps.

DJPROAUDIO
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What sort of problem are you having with the cords?

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Very low volume!


If you're used to playing your vinyl through a hi-fi turntable (and not DJ turntables) then you're probably used to your turntable having a built-in amplifier. DJ decks don't have these and if you plug into 'line' it will come out very quiet. Try plugging into 'phono' if you have it, if not you'll need some extra amplification somewhere between the deck and the speakers (a mixer usually takes care of some of this before it goes into the main amp of the system). Hope this helps. Ad

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