Question about Technics SL-1200 Turntable

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When I turn on the SL-1200 both speed lights burn and the turntable starts to rotate at very high speed. What is the problem?

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The motor are damaged change it

Posted on Sep 10, 2010

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Posted on Jan 02, 2017

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My turntable won't play at 33rpms. tried the pitch adjustment with no success. my turntable is a Technics model#SL-35


First, I'm not a Technics tech.
* Normally I would suggest to check for warranty, but this unit is outdated.
* Try to contact ; https://www.technics.com/us/support/
*** The following is for information only.***
* The following vid shows the speed switch on the left. If it's not tracking then there may be a problem in the selector switch, sync tracking, or motor drive.
* You may want to check the "window" or sensor of the the speed sync light (the orange light). Wipe down the lamp and the peep hole where the sensor is located (on or near the lamp)
* Wipe down the outer edge of the turn table to clean the metal "dots" or "bars" on the rim. This is what the sensor reads to determine speed.
* Speed controls and direct drive turntable are not customer serviced parts (other than replacement of the component).
* Example of play; https://www.youtube.com/watch?v=YUaywfmnvt0
* Closer look at auto play feature; https://www.youtube.com/watch?v=A7RURSnbSz4
* SL-1510 Mk2 repair; https://www.youtube.com/watch?v=Unf0rtQI0Us
* SL-1900 repair; https://www.youtube.com/watch?v=k0HTskP4Wak
* SL-1210 repair; https://www.youtube.com/watch?v=dKpQ3j6WzXQ
* SL-23 repair;https://www.youtube.com/watch?v=hTTLkQosBzc
* Repeating Return problem; https://www.youtube.com/watch?v=-tel1eKu9YI
* SL-1200 Speed changes(sync); https://www.youtube.com/watch?v=jVws5t25XPk
* SL-1300 Speed problem; https://www.youtube.com/watch?v=0Dg-S0QPaek
* SL-1200 Very DEEP level repair; https://www.youtube.com/watch?v=mEvOpKsJMRo

Aloha, ukeboy57









Jul 11, 2018 | Technics Audio Players & Recorders

1 Answer

Distorted sound on Technics SL-1200/1210


You could be getting acoustic feedback from the speakers to the TT's. Lower the volume or somehow isolate them from room sounds and vibrations.

Jul 05, 2010 | Technics SL-1200 Turntable

1 Answer

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

Dec 03, 2009 | Technics SL-1200 Turntable

2 Answers

MY Technics 1200 Rotates Out Of Control. What needs To Be Done To Fix?


It sounds like you need to replace the belt. If it's too loose, it will not maintain the proper speed.

Nov 04, 2009 | Technics SL-1200 Turntable

1 Answer

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

Jul 15, 2009 | Technics SL-1200 Turntable

1 Answer

Counter clock spinning


pitch slider can cause an unstable motor (clean with can of air and switch cleaner) if it spins counter clockwise it will be the brake. there is a little screw in a hole under the platter to ajust the brake speed.

Jul 14, 2009 | Technics SL-1200 Turntable

1 Answer

No control of platter speed


One of the drive circuits on the main board are faulty, and will need to be replaced. This is not an easy fix, so you will need to take it to a qualified service center for service and repair. Not an expensive fix, but a little time consuming in isolating the issue.

- TERMiNAL OPTiC
www.DJPROLAB.com

Mar 08, 2008 | Technics SL-1200 Turntable

1 Answer

Technics 1200sl pitch control


There seems to be 2 issues with this unit. Usually when the platter speeds up very quickly, one of the IC (integrated circuits) are faulty and needs to be replaced. However, I've never seen the 33/45 lights come on in addition. So, perhaps the issue started with faulty 33/45 switches, and it then caused a short to one of the IC's.

This will have to be professionally serviced, as it is not an easy fix. There are various circuits on the main board which control the drive, so it's a matter of diagnosing which is the culprit. The 33/45 switches will also need to be tested/replaced.

- TERMiNAL OPTiC
www.DJPROLAB.com

Mar 05, 2008 | Technics SL-1200 Turntable

1 Answer

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

Dec 28, 2007 | Technics SL-1200 Turntable

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