Question about Technics SL-1200M3D Turntable

2 Answers

Technic SL1200 M3D

Two Issues: 1) The firsdt turntable produces no sound from left channel, I've checked all connections and switch needles around and it must be the table. Is this my tonearm going out? 2) On the other table the tone arm pulls down and right. It has never done this before. Any help would be greatly appreciated Cheers, Loops

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  • Anonymous Feb 23, 2008

    I am intermittantly losing audio out of the right channel only. the sound from the right channel comes and goes by gently tapping the top of the tone arm pivot point.

  • dustcart May 01, 2009

    im getting no audio sound out of the right channel of my technics 1210 . i assume the right hand phono cable is faulty. the left channel is fine. how can i fix this myself ? i was wanting to replace all phono cables on both decks and put 1/4 inch gold plated jack connectors on them instead of phono connectors. can i do this myself / is it relatively easy ?
    matt / plymouth / uk .


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Personally it\'s kind of funny that the peoples whicht say that you can\'t do it yourself are often peoples which make money by upgrading, fixing 1200\'s. While moest oem\'s comes with some movement and like i allways say: having the right tools, which are more expensive then the arm i have to say and it\'s easy. The mechanism is used in 10.000\'s products.. a pin and a bearing. Only using the right amount of torque and every idiot can do it.But most peoples just don\'t read how a turntable works, and two guys on youtube make a lot of video\'s , just turn the turntable upsidedown , with the townarm on a pillow-->idiot and then he makes some movies how to ground it and take apart the tone-arm and pivot and if you do it that way, your tone-arm is lost. It\'s funny to see how he does even the tonearm with a 2 dollar, all in one thing and at a moment he screws the vertical tone-arm screw tight and then just a bit less tight, while the technics bearings ain\'t high quality bearings, so in fact is that tone-arm quite dead. My opinion: when you buy a second one , buy the tonearm for 90 dollars, buy a piece of deskadel tonearm wire from 60 cm, use two cinch ouputs at the bottonplate and rewire from sme-connector to rca-output(normal brand 40 dollars/2) and offcourse put the high adjustment etc in new oil/grease . Then you don\'t need to screw at the ballbearingsites, just remove the sme-adapter and pull the new cable through( pain ).



Resolder the shitty standard wire and offcourse remove the pcb which connect the tone-armwire , to the rca-cable coming out of your gear and throw it away. Be gentje when soldering, first rub it up a bit with fine sandpaper, take shrinkplastic over every lead, a small piece and solder it fast and good. If your too slow, the plastic melts. That whily a put a cartdrigde in in, so the connectors have more space, but don\'t overheat. And you alleays can buy a new sme mount incl again the technics cables for 16 dollars.





But watch the youtube video\'s, only THINK

Posted on Jul 22, 2014

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  • 515 Answers

1) This turntable either has bad RCA cables or a faulty tonearm - in either case, none are easy fixes. FYI, If you use Ortofon Concorde series, they are notorious for causing faulty connections with your tonearm, and eventually deteriorate your tonearm over time. So you might want to think about changing them if you get a new tonearm put on. If you use the Technics headshell, you are fine. 2) This turntable definitely needs to have the tonearm replaced. Once the arm comes loose from it's bearings, it's next to impossible to get it back to factory specs, and you will have skipping issues. Both will require professional servicing. Check out www.1200s.com if your in the NYC area.

Posted on Sep 23, 2007

  • richard vreede
    richard vreede Jun 04, 2014

    since the tone arm is a easy replacement and not expensive, a new 1200mk2 cost me 60euro, while the 1210 costs 50 euro more....just for the color.

  • richard vreede
    richard vreede Jun 04, 2014

    But using a right expensive torque 'screwdriver', makes it easy to just remove the arm and assemble it again.

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Four wires coming from needle to cable, two are shield and two are left and right channels. Which color goes where


Actually it's not to hard to connect them. All you need is a stereo record where you know a sound of something is on the right or left channels. I use to have a Goodies LP where a one of them would say "bounce to the left" and the other said "bounce to the right" these coming on the respective channels.
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If the sound sounds (tinny spaced) out then swap the same side wires around.
So if you have say Red Green, Make it Green Red. If it is tinny only on one channel, don't switch the other channel around.
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By the way some cartridges do have L and R marked on them and + and - for the channel types. " -" being for the green or blue wires.

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Disconnect the wires to the cartridge. With the amp on. Touch each wire (one at a time) with your finger. Two of the wires should buzz (1 left, 1 right) if the left doesn't buzz either the connections are faulty or the pre-amp in your amp is.
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As a test, switch the right and left RCA cables from the turntable to the amp. If the problem reverses, the issue is in the turntable or with the cables. If it stays the same, its a problem with the amp.

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More than likely your RCA's need to be replaced. There is no need to open it up, as the ground wire rarely every comes loose. It's held down by a screw & soldered to the circuit board. Unless you pulled on the ground wire.

There are only 3 issues which can cause this:

1) Technics Tonearm - Check the 4 prongs inside the tonearm. Make sure they are all clean (shiny gold), and all protruding the same distance. There are springs behind these prongs, and often times they do come loose over time or overtightening.

2) Technics RCA Cables - This is more than likely the culprit.

3) Cartridge/Headshell - swap out with your good unit. If it works, then your good. Just replace cartridge

With the exception of #3, the other 2 will require assistance from a qualified service technician, otherwise you could cause more damage to your turntables.

- OPTiC
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Technics Parts : Technics Repairs

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Typically, what you're describing is a phone source plugged into a NON-phono connection. (Tinny, low volume - classic lack of a phono preamplifier with RIAA equaliztion). A standard old-school tuntable requires a phono preamp that is labeled "PHONO". Nothing else will give it the boost and freq response correction LP's and phono cartridges produce.

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I got the answer for No-1.
The balance was turned on the Right Channel. That is why Left Channel was not working during the Channel test.
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I am working on my Subwoofer Isuue.

I opened the Back Panel and Yet I could ot figure out any issues.

I will open the front panel and see if any connection is loose.

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