Question about Technics SL-1200MK2 Turntable

2 Answers

Arm Looping I just got a pair of 1200's and the needle stay in constant loop, it doesn't move on the record, stays fixated at one spot! any ideas?

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  • ajghost Jan 25, 2008

    i already tried all of that i even went through all the weight levels on the arm and still it starts looping , it does it with both records and serato! 

  • ajghost Jan 25, 2008

    yea i think i found the problem 


    its seems that some thing on inside the tone arm is broken
    i took the tone arm made it float and turn the anti slating knob and it didn't move at all so i think i might need to get a new tone arm.
    i tried all the weight levels that didnt do much
    but what i found works is when you push the weight all the way up and put a coin on the needle not the best solution but i just need them to work tom
    if you have any other suggestions i would greatly appreciate it! 

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Oh jeez. No one here has a clue about this turntable. AJ, you are correct to assume the tonearm is faulty. This tonearm has 3 pivoting screws - 2 control your vertical movement, and 1 controls the horizontal bearing. Your horizontal bearing is shot. Unfortunately, there is no easy way to fix this, and you will need to have your tonearm replaced. You can attempt to replace the tonearm yourself, however, I do not recommend it. You can purchase your TONEARM HERE or have it professionally repaired.

This is a common issue with used 1200s. People will stack stuff on top of them, and don't realize how fragile the tonearm really is. Also, if you had them shipped to you, many people will just stack 2 of these in 1 big box, and that's also how you get tonearm damage. These turntables are heavy, weighing in around 30lbs each. So shipping them individually is the best way. Never put anything on top of the tonearms.

The way the tonearm suspension works:

The 3 screws which control up/down and left/right movement of the tonearm are conical shaped screws. Meaning, they have a cone shape tip on the bottom. This cone section rests on top of 4 ball bearings, which are protected by a very thin layer of sheet metal. If any of these ball bearings or this sheet metal is damaged in any way shape or form, you will get the same problems you are experiencing. Also, this problem arises, when your tonearm screw (the top) is too tight, or misaligned. You can attempt to turn it, counter-clockwise to loosen it, but once you start messing with that screw, it's very hard to get it back to where it should be. It will release the tension, causing a stiff tonearm, but then you might end up with a loose tonearm, which is just as bad.

In any event, good luck!

DJ PRO LAB

Posted on Feb 24, 2008

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  • 36 Answers

Generally speaking, needle should follow the groove, if following not present:

1. dust and grime built up in the groove that stops need to pass. you should be able to hear "click, click, click" each time needle comes to the same spot. - clean your record in details.
2. cartridge/arm bias and weight too light causing needle to skid over path. - adjust the effective bias and weight according to cartridge spec.

If problem persist, write me again.

pc-cook


Posted on Jan 25, 2008

  • 1 more comment 
  • Clement Tam Jan 25, 2008

    have you checked the bias/counter balance? which pulls the arm outwards..............., if too much, the are will never travel inwards.

  • Clement Tam Jan 25, 2008



    answer yourself first:



    were you able to bring the arm towards the turn table spindle?

    can the arm travel freely and lightly when hand held or stopped at the looping spot?

    how much force is needed? normal or excessive?



    pc-cook

  • Clement Tam Jan 28, 2008

    I had a SL1200, but it was a long time ago. If I am not wrong, it has an "auto return" arm. In saying this, there is a "return" mechanism under the tone arm base. You have to lift the whole base out of the board to find out what stops the arm to travel inwards. To the contrary, "non automatic" arms are supported by pivots up-down and sideways which can be seen easily.



    I don't care for a vote from you unless you feel comfortable about what I said.



    good luck



    pc-cook.


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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: Arm Looping

ive had this problem djing in front of 700 people...Not good!! i can tell you exactly what it is, the tone arm bearings are being pinched too tight or there is a tiny piece of debris in the bearing race of your tone arm or blatentley your vinyl is scratched lol.... assuming you ve set your stylus correctly and the turntable is level on both axis???? slightly unscrew the tiny screw on top of the tone arm just enough to release the pressure on the bearings inside, but not so much that it wobbles about??? happy mixing

Posted on Jan 26, 2008

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