Question about Technics SL-1200 Turntable

3 Answers

Turntable pitch control problem

Dear thimc (to whom it may concern) I'm having problems keeping the pitch steady after matching the bpms of both records. I've used other turntables so I know it's not me. I can still use them for parties without causing a train wreck (Which i had to learn the hard way),but I still want them working in good condition. feeling hopelfull. Armand

Posted by Armand Henry Jr. on

  • jessejamesis Apr 30, 2009

    my pitch is going crazy. this deck is brand new.

  • Bo51 May 11, 2010

    hallo everybody,
    I've a problem with my Technics SL 1200 MK5
    I turn it on and after few seconds the pitch start going crazy..!
    With the reset button there are not problem... but with the pitch fader (slider) when I move it up or down the speed goes crazy.
    It goes faster and slower alone...! 


    What I have to do..?
    Thx a lot

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3 Answers

Anonymous

I know this problem has subsided, probably, but just in case someone else comes along with the same problem, you can find a detail instruction on djtutor.com (under repairs) but basically you take off the platter and un-screw the plastic cover, then you will see a blue circle with notches, by turning it to either the right speeds up the platter motor and to the left slows the platter, but you will have to put on the platter and turn it on to see the changes that you need to make, watch the video  * this is for the technic sl1200,

Posted on Jun 21, 2008

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Anonymous

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Sounds like the pitch needs replacing or tighting. Get them serviced. Ask your equipment supplier shop. Good way to check the decks are in sync is to place the pitch on each marked seting ie 0 / 2/ 4/etc making sure both decks are set to the same pitch adjustment speed. Look at the light from the on/off switch and check the 4x circles on the deck platter and make sure they are the same as each other. If you never used this before. set your eyes and pay attention, you will notice the pattern. I mix this way to get tunes roughly in time without listerning to the track - DJ EZ helped me with this years ago. peace DJ Nyce

Posted on Jul 25, 2007

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Chances are the pitch sliders are worn.
Look here for replacements :-

http://stores.ebay.co.uk/methleykev

Hope this helps.

Posted on Jul 07, 2010

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2 Answers

Recently purchased used Panasonic SL-HM42 turntable. Works, but turning a little slow on 33rpm (30-31rpms) says DC Servo System on the front. Don't see any set screws on bottom. would like to get platter...


How to tweak the playback speed on Panasonic SL-HM42 turntables
recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-20.png

You will need:

  1. 1x small Philips screw driver
  2. 1x small flat-head screw driver
  3. An ear for correct pitch and a little bit of DIY skill!

Step 1 - Remove the wooden base plate

After ensuring that you've removed the the rubber turntable slip mat and securely docked the turntable arm, carefully flip the turntable over onto its lid to expose the wooden base plate, as per below.

Using the small Philips-head screw driver, remove the screws holding the wooden base plate in place, then gently lift the base plate off the turntable.

recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-26.png

Step 2 - Expose the pitch adjustment screws

Once the wooden base plate is removed, you will see the speed-controller circuit board on the right-hand side.
recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-50.png

To expose the the two speed/pitch-control screws, firstly remove the screw holding the speed-controller circuit board in place, then gently lift the circuit board up on the free side.
recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-41.png

Step 3 - Correct the turntable playback speed and pitch

The easiest way I found to correct the playback speed was to flip the turntable carefully back into the original position, allowing the speed-controller circuit board to hang free as shown below.

recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-60.png

Next, play a record that you know well and are able to tell when the speed/pitch is correct (assuming you have an ear for correct pitch, that is!), then at the same time using the small flat-head screwdriver, gently turn the speed adjustment screw(s) to adjust the playback speed up or down until the correct playback speed and pitch is achieved (or at least until it no longer annoys you ;).

Turning the screws clockwise (to the right) will increase the speed/pitch, and anticlockwise (to the left) will decrease the speed/pitch.

NB - Both screws allow for fine pitch control, so if the second is already at maximum speed, you can use the first screw for additional speed.
Step 4 - Reassemble the turntable again

When you're happy with the speed of your turntable, remove the record, the mat again & locking the turntable arm, replace the screw holding the speed-controller circuit in place (as per Step 2) and then finally replace the screws holding the wooden base plate, as per Step 1.
Happy listening!

Aug 29, 2013 | Audio Players & Recorders

2 Answers

My records that are 33 and 1/3 don't play at that speed on my turntable. they sound more like a 30 speed, what do I do


Hello Rosie,

Some turntables have a pitch adjustment feature which allows you to speed up or slow down your records. The adjustment controller is usually a slider or a wheel somewhere on the turntable and is usually labelled "Pitch" "Adjust / Adj" or "Pitch Adj".

Please check for this feature on your turntable then get back to me if you are unable to find it. Please include the brand and model number of your turntable.

Hope this helps.

Regards,
BElectric

Aug 17, 2011 | Audio Players & Recorders

1 Answer

I own a SL1200 MKII and when the light "turn on" in the pitch control slider (green LED) the speed is not correct (big dots on platter move slightly) .Could you please give me some tips to solve...


Use the slide on the pitch control to move forward or backward until the dots stay steady. If it is a little old the quartz control won't work as well.

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I have a technics slbd20d for about 6 yrs. teh speed started to fluctuate, so i replaced the belt, with an orginal replacement from panasonic, and one from lp gear to match my turntable. but the speed is...


u mean the recor speeds and slows down? if its an older turntable there is some play in the bpms thats why most people get direct drive. my sugguestion is to look it over and tinker w things but dont break it. im sure you can find a manual online

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I have a Technics SL-150 mk1 direct drive turntable in reasonable condition. The only problem is that the pitch does not stay steady. The pitch pots have to be adjusted constantly after start up as it very...


Normally sewing machine oil wouldn't be to heavy for this application, but if the pots were worn, the oil might have amplified the problem. I would search some of the audiophile forums online and avoid the Crutchfields' and other modern "know nothing" audio outlets. These were great turntables & "robust" is an understatement... With a little diligence I'm sure you'll locate replacement pots or another turntable as a "donor".(maybe Ebay???) Good luck on your qwest!

Mar 11, 2011 | Technics Audio Players & Recorders

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Akai Ap-003 belt drive turntable pitch problem


Hi!
Make shure that is a 50Hz turntable. If you connect a 60 Hz turntable in a 50 Hz system, the result is aprox 28 RPM in the 33 RPM position/

Dec 31, 2009 | Audio Players & Recorders

1 Answer

Turntables lags on pick up


I have the same exact problem with one of my 1210 MK2 turntables. It seems like the motor is too slow now. When I hit the start button or release the record, it takes much longer to speed up to the normal speed than my other same exact turntable. I don't think it has anything to do with the pitch slider. Please let me know if you find out what the problem is thanks!

Mar 18, 2009 | Panasonic Technics SL-1210MK2 Turntable

3 Answers

Sudden pitch change.


There is a speed control IC inside this unit that could be defective or the speed detect sensors could be faulty. WIthout seeing the actual machine it is hard to tell. This one is a direct drive if memory serves me correctly, so you should not have this kind of drift. With the unit only a year old, I would not expect a motor problem either. Can you tell if the drift is toward higher speed or lower? Or does it vary?

Dan

Jul 24, 2008 | Technics SL-1210 Turntable

2 Answers

PITCH CONTROL PROBLEM


The reset button disables your pitch control and allows the turntable to rotate at TRUE "0" (zero). FYI, these turntables were NOT made for DJing. They were made for radio, studio, and high end home use. They became DJ turntables, because they were perfectly built for the trade. So, the pitch reset button is more of a function best suited for radio stations or a producer who needs to record or play at a true zero speed.

Now, on to your question...

More than likely you just have to calibrate your pitch control. There are various videos on YouTube on how to do this properly. Just do a search CALIBRATING 1200s or similar. FYI, all the Technics SL1200/1210 MK series are the same inside. MK2, MK3, MK5 - so don't worry if you only find videos on calibrating MK2's or MK5s - works the same on all the models.

Good luck!

- TERMiNAL OPTiC
www.DJPROLAB.com

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