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Miguel Martinez Posted on Sep 07, 2015
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My technics 1200 turntable has a dim power strobe light and dim pitch. It also sometimes slows down and speeds up, what can be causing this?

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richie46

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  • Technics Master 12,962 Answers
  • Posted on Sep 07, 2015
richie46
Technics Master
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Joined: Nov 21, 2009
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A bad pot (speed control) or another part in the speed circuit.

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There is power going through my technics 1210,but the platter & strobe light still will not work

how do you know theres power to the unit if theirs no strobe light pitch adjuster light & the platter doesn't spin?
the power comes in & to the transformer first,then through the strobe switch, the transformer is what blows when you short the target light out.....i've seen this many a time when people try & change the target lights to blue neon.
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1answer

Hi, I have just bought a second hand Technics SL-1200 MK2 and it looks great overall. There is one problem though with the pitch. When I want to slow down the speed a bit, the platter starts to spin a...

Your problem Is more than likely one of two easy to fix things. First we'll try the easiest. that would be reset the centerpoint of your pitch controll. All you need is a Phillips screwdriver and a little time and this picture: Apparently the picture is too blurry to read so let me give you the link: http://www.deckdoctor.com.au/TECHNIC%20SL1200%20PCB.pdf
you don't have to worry about all the technical stuff really it's just started look at the strobe lights and slowly turn the screw as you move the slider back to Center and make sure you bring this keep the strobe stable. if that doesn't fix your problem, then you do have to worry about the complicated stuff. If you are not familiar with all of that, I would suggest just replacing the pitch control. it's cheaper than paying what it would cost you at a repair shop and very straight forward. You don't even need to saulder. They don't cost very much and the part number is right there you can get one on eBay for pretty cheap. Good luck
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I’m happy to help further over the phone at https://www.6ya.com/expert/erik_149c4c1c216e42f2

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Just bought a new technics sl-1200 turntable and the pitch speeds up and down causing music to sound funny....

You will need to check your belt for wear. Lift felt on platter and check belt tension. It may need replacing. To replace, simply lift platter section of the unit, taking note of the belt position. replace and your problem will be solved
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When i turn on my technic 1200 turntable it the lights flicker and looses audio sometimes

Hi, i doubt the 2 are related as the T 1200 doesnt have a preamp, only speed control.

Maybe try checking to if there are any loose ground wires in the turntable (ONLY if you are comfortable to open)

Other than that it the sound issue might be either on the head, or on the phono outs not connecting properly.

If the speed is remaining good, then the issue is just with the LEDS themselves, maybe loose solder, if it is changng pitch as well, then dry joints in the power supply/pitch control

Hope that helps
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Help for technics 1200 MK2 and 1210 Speed is too fast

On the 1200MK2 the pitch control slider is for just that purpose. Disregard the 0 setting and use the illuminated strobe marks on the platter to adjust to nominal speed. When they appear to be motionless you are there. The control on the 1210 may be a knob but the same principles apply.

http://en.wikipedia.org/wiki/Technics_SL-1200
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Pitch and Strobes

There is nothing wrong with your turntables. The Strobe dots are only a guide to give you an idea of the speed your platter is rotating. Nothing more, nothing less. The pitch control decal is not 100% accurate, it is simply a guide to tell you where the 6% position lies, 3.3%, etc.

As long as the quartz lock function works, and the large middle strobes are nice and solid, and do not move, your fine.

You can check out these videos for more insight into these wonderful turntables:

http://www.DJPROLAB.com


- Optic
Digital Analog Therapy
www.repairny.com
www.1200s.com

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Technics SL1200 MK II Speed problem

this one happend to me!! try taking the plastic cover off, under the platter and removing the screws that hold it on if that cures it its because what you ll find is that the screws just catch the underneath of the platter as it rotates. happy mixing
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Technic 1200 mk2 turntable wont spin

need to know if it powers up. Does it try to spin, do you hear it trying to spin? More than likely the on/off switch went bad. No, I am not referring to the ON/OFF knob. THere is a switch this engages when turned. The part is S601. You might also want to replace the Start/Stop switch as well. If neither work, then the issue is on the main PC board, and probably IC101, or IC201 with the problem. At this stage, you will have to have a service tech look at your unit.
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