Question about Technics SL-1210 Turntable

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Sudden pitch change.

During my sets I seem to be experiencing what seems like slight shift changing. For ex: I can find and match the beats at the beginning of my tracks, but towards the end I find that the beats are off and I have to re-match. I don't know if it could be the way the record was made or if it could be a turntable problem. My turntables are no more than a year old. I have a little over six years djing experience so I know how to find and match my beats. What do you think?

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My speed change problem was caused by lots of dust and hair accumulating under the rim of the platter. Remove and clean the platter 'ditch'.

Posted on Apr 18, 2009

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Some records that have centre hole too large can cause drift if record loose when placed on platter try small bit of paper between hole and spindle centre shaft ,if no drift then you know your deck isnt needing repaired ;)

Posted on Feb 15, 2009

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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

Posted on Jul 24, 2008

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http://www.vinylengine.com/library/denon/dp-29f.shtml

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This seems to be a pitch control issue. controller,
replacing \t,could be worn over time,
SL1200 Technics - if you want a solid long lasting excellence of sound reproduction for many years to come,

I had the same pitch control issue,
happened on one of my decks so I replaced the controller and good to go from there,

Another important tip -
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hope this helps,cheers Misterdj

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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!

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2 Answers

Platter changes directions or stops


More than likely either an issue with an IC (integrated circuit) on the main PCBoard such as IC301 (Pitch Control IC) or one of the Regulators like Q2 and Q3. While your at it, you might want to check IC201 (Turntable Control IC), and IC101 (Turntable Drive). Doesn't sound like anything is busted just yet, if it comes and goes. This means something is about to fail, and your just seeing the failure in action.

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Sounds like your pitch control is about to go bad. I would suggest replacing it. The part can be purchased HERE.

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Hello, Mr. Dixon.
I had the same problem and i decided it whit this procedure:

1. Restoring Factory Default Settings



2. Set the PITCH Slider to the center ( 0 ) position.

3. With the CDX-05 in the start mode displaying “no Disk” hold down EJECT and TIME/ENTER and press FILTER. The TEMP display in the LCD reads 0.0 and the procedure is complete.

Good luck!
Peter Petrov

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1 Answer

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Here is a tutorial on calibrating your unit back to original factory settings: TECHNICS SL1200MK2 / SL1210MK2 TURNTABLE PITCH CALIBRATION

You can also print this out and give it to the technician who serviced your units. Also ask him what kind of calibration meter, or unit did he use to test? Just curios.

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