Question about Sony PS-LX250H Turntable

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Uneven speeds I am getting uneven speeds - speeds up then slows down at unpredictable times. Could it be the belt?

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  • es238906 Aug 06, 2008

    I have had this turntable for about four years now and I am having a multitude of problems. The drive belt consistently comes loose which makes playing records difficult (the needle refuses to stay on the record and it shuts off), also it speeds up and slows down during play, completely distorting the sound.

    I have gone through the steps to fix the drive belt that are offered on the sony website a multitude of times, yet I fear that it may need to be replaced.


  • Anonymous Jan 04, 2009

    Belt looks ok, tryed adjusting motor helped alittle but sound varies..it sounds like its motor speed.I even put a rubber band on replacing the belt just to see if it would make any difference..not really..Sounds almost like its surging..but not consistant...????

    ..,

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Belt came loose please help[

Posted on Jun 28, 2008

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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

Speed seems to be slowing down every so often but then it will resume speed


Chances are you need to replace the drive belt.
These are easily available online (try Ebay or Amazon) just search by make and model number.
To access the belt you will normally need to turn the turntable upside down and unscrew the base.

Feb 17, 2011 | Kenwood Turntables

2 Answers

Thomas Pacconi Model TPC-MSE-800 turntable runs slugglish. 78 runs fine but 45 or 33 runs slow. I removed belt cleaned it and platter. I put a drop on oil still same problem. Do I need a new belt? This is...


Pjam,
Had the same problem & checked around on the net. Several people tried replacing the belt, but it had no effect. Spoke w/ several repair shops around the country and they concur with what I'd read on the net - bad motors. 3 or 4 repair/supply shops told me getting a motor would be impossible. Since I only listen to 33-1/3 LP's, I messed around w/ it a little and found a solution. Take the turntable out of the unit & you will find a small circuit board attached to the bottom. On that board is a small square blue fixture w/ a white circular "dial" in the middle (has grooves to accept a small straight blade or a phillips screw driver). This controls the voltage to the motor, which in turn controls the motor RPM's. If you set the selector switch to 78, you can experiment /w turning that white circular "dial" to slow the motor down. It isn't very hard to get the speed set properly. The down side is that you will only be able to play 33-1/3 LP's, but they are probably the most common anyways. I assume you could do the same to set the speed for a 45, rather than a 33-1/3. Down side is that you will only be able to play 1 size LP on the 78 speed setting, but it's an easy adjustment that can keep an otherwise in-op turntable functioning. Good luck!

Dec 16, 2010 | Seth Thomas Pacconi Turntable

1 Answer

Speed is too slow. Does the belt stretch over time and affect the speed? What else could be the problem


Yes belts do stretch over time, often you will get wow and flutter too with it. Replacing the belt could solve it. If it's old anyway it could do with replacing. Please make a note of how it fits before removing it. Belts are measured in MM (diameter), but with TT belts you need to measure the width.

Jun 27, 2010 | Sony PS-LX250H Turntable

1 Answer

Rotel rp1000 turntable rplaying too slow, new belt


HELLO

Check that your new belt is not too tight as this will slow the motor down as it tries to turn the platter. I would also suggest a little light oil (sewing machine oil is ideal - NOT WD40) on the motor spindle shaft where it goes through the motor itself it may be a little dry.

Clean off any gunk from the rim where the belt turns the platter and do the same on the pulley on the motor. Get some de-oxit (expensive but good) or SERVISOL to clean the speed change switch too.

ALL THE BEST!

May 12, 2010 | Turntables

1 Answer

It plays too fast. I suppose its the belt.


the belt will not adjust the speed unless it is slipping, therefore will slow down not speed up.
there should be a speed playing dial. for lp or 45's.
or have you had it repaired. if someone replaced the pullies on the drive or driven end this could have change the ratio and speed.

Feb 19, 2010 | Crosley 0187SST Turntable

2 Answers

Sound wavers (speeds up and slows down)


you need to replace the Pitch controls. I'm presuming it is a sliding pitch control. Use the Red start stop lights that reflect on the rotating wheel. put the pitch in center 0. does one row of the dots on the wheel stay completely still.now just turn it up op down a bit until it starts to move the dots slightly. now watch the dots now while there moving. Do they fluctuate they should be smoothe. do this on both decks to find out which one is fluctuating.

Jul 10, 2009 | Philips gemini XL-500 II Turntable

2 Answers

Turntable will not hold pitch,speeds up or slows down.


try replacing the drive belt with brand new one and see if this improves the situation

May 27, 2009 | Philips gemini XL-500 II Turntable

1 Answer

Speed Changes


Perhaps it's time to change the belt on your unit. If after you change the belt, you still have the same issue, then the problem might be with the motor itself. The motor itself is a relatively inexpensive part, around $20-30, and the labor should run in the 40min range - so you can get an idea of what it will cost. Hopefully it's an easy fix. Not sure where you could source the belt, but if you take off the old one, you should be able to match it up easily. Also, there should be a part number in the user manual, and instructions on ordering a replacement belt or at least a part number. FYI, belts generally run in the $5-15 range, and are user replaceable. Good Luck!

Aug 20, 2007 | Philips gemini TT-01 Turntable

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