Question about Sony PS-LX250H Turntable

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Speed After working well for quite a while, the turntable runs at about 40 rpm's instead of 33 1/3. I reinstalled the drive belt but that didn't work.

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Re: Speed

The motor for the unit might be dying out. There really aren't any other factors that control the speed/rpm of these belt driven models. So if the belt didn't do the trick, you will have to take it to a service center to test the motor.

Posted on Sep 23, 2007

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The speed switch results in same slower speed than 33 rpm when set to 33 or 45, and 78 is slower than 78 rpm, but faster than 45 rpm

Assuming it is a belt driven turntable I suspect the belt has slipped out of position. It might need adjusting or replacing. If you do need to replace it make a note of how it fits, even though it could be in the wrong position. It's a starting point for putting the new one in the right position.

Dec 28, 2015 | Turntables

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2 problems, 1st turntable run at 45 speed when on 33 setting. 2nd, turntable won't move unless you help it.

It depends if these are belt or direct drive decks. If they are belt, then in the first fast speed one the belt might have slipped and is now on the 45 setting when it should be on the 33 setting.

The other deck has either a really **** belt, or a bad motor, or needs oiling or having grease or muck removed from it's works.

A whole list of problems can make direct drive decks act this way.

Oct 31, 2015 | Turntables

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How can I get it to play 33 1/3 rpm?

All turntables have a button or switch that will select that speed. If that doesn't work, you have either replaced the belt wrong - on a belt drive model, or you have an electrical fault on a Direct Drive type.

Oct 13, 2015 | Sony Turntables

1 Answer

Why is this turntable running slow?

It depends which type of turntable it is. If a belt one then change the belt, make certain you make a note of how the belt fits before removing it.

Direct drive turntables are more difficult. As it could be any number of faulty parts that cause it.
A build up of grease or dirt in any type of deck can slow the speed down.

A faulty motor on both types of deck will also cause it.

Sep 07, 2015 | Turntables

1 Answer

My turntable speed is too slow. I have the optimus lab 1000 and there are speed adjustments on the bottom side of the unit but turning these either for 45 or 33 rpm did not change results. I have already...

Look under the platter or on the bottom of the turntable. There should be two adjustment holes for 45 and 33. You will need a small screwdriver for adjusting these. If this does not work clean the control pots with spray cleaner.

Dec 01, 2010 | Radio Shack Turntables

1 Answer

Akai Ap-003 belt drive turntable pitch problem

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 | Turntables

1 Answer

Higher speed on 33 rpm

maybe your turntable belt has stretched causing it to slip and speed up? go to and order a replacement belt. good luck

Sep 11, 2009 | Kenwood Turntables

1 Answer

Speed control issue

Not sure I understand what you need done. The 1200 has a pitch control, which allows you to control it's speed. Do you want to disable the 33/45rpm function, and assign that to the pitch control, so instead of controlling pitch, you control the RPM? This will put quite a strain on the drive circuits of this unit, but it can be done. Although, not an easy modification, as you will have to modify multiple resistors and IC's on the main board. This should only be professionally done.

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Jan 18, 2009 | Technics SL-1200 Turntable

2 Answers

JVC Turntable model AL A1 BKX , need to know how to adjust speed

I have just fixed this problem on my Aiwa PX3800 with improvisation.
The platter was rotating too slowly, I didn't know how much too slow only that the records sounded wrong.
I imagined the belt, motor and platter as a bicycle gear and so simply increased the gear... I achieved this by winding a thin strip of a electrical insulation tape around the motor head to increase it's radius (like changing up to a larger front cog on a bicycle gear).
I could then time the rotations and remove a layer or two of the tape accordingly until I have achieved a perfect 45rpm. 33 is still way out but I only listen to 45s!
Be sure to trim excess tape from the motor head with a craft knife/scalpel or it'll stick to the platter.
Poor man fix up.

Dec 17, 2008 | JVC AL A158BK Turntable

3 Answers

Ion turntable speed problems

Turn the tturntable over, there is a speed control pot on the bottom

Nov 07, 2008 | ION Audio iTTUSB Turntable

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