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Turntable won't turn properly

The turntable looks as if it sits too low and gets stuck on what looks like a drive wheel.

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  • platero Dec 21, 2008

    The Turntable is an Optimus LAB-1100 Fully automatic turntable, when I went to write it in, the site didn't register it as an existing product.

  • ben morotn Feb 13, 2009

    turntable won't move when start button pressed



  • ben morotn Feb 13, 2009

    turntables stuck



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  • 515 Answers

Either the drive belt is stretched, or if it is a driven by an idler wheel, it may be damaged and need to be replaced.

You failed to mention the model. Which would help in determining the issue.

Posted on Dec 18, 2008

  • TERMiNAL OPTiC
    TERMiNAL OPTiC Dec 21, 2008

    Ok, so that is a drive belt driven unit. There are only 2 issues which would affect the platter speed... the belt, or the motor.

    I would say try and replace the belt first. If it's stretch out, then it might be slipping. It also easier and cheaper to replace. A new belt should cost you about $5-10 - and Radio Shack should have this available, since it is their brand.

    If you still have issues after the belt has been replaced, then the only other thing it could be, is the motor. Unfortunately, we do not work on Optimus products, as parts are not made available from Radio Shack. I would suggest contacting them at that point, to find out what sort of repair options they have available.

    Hope this helps some.

    - OPTiC
    Turntable Repair & Service
    A DJ Pro Audio Co.


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1 Answer

Idler Wheel on Record Player


That old Emerson turntable is a relic from another era. It is unlikely that you can find replacement parts.

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My Crosley Radio CR6007A-MA Recording Tech Turntable squeaks with each revolution is makes. I want to know how I could fix it.


I'm not familiar with this specific turntable but there are some general tests that you can try. As with any problem try to identify the source of the problem by working through an elimination process.
  1. Does the problem occur at all speeds or just one, which would indicate an issue with the belt drive system.
  2. Does it squeak continuously or only at certain points as the turntable rotates? Put a marker (a lump of blue-tac would work well) towards the edge of the turntable and note the point(s) where it squeaks.
  3. Rotate the turntable by hand with the power switched off, vary the speed you rotate it at. Can you feel the squeak as well as hear it?
  4. Is the turntable on a level surface and is the turntable itself level (parallel) with the base - if it is not this might suggest that one of the suspension mounts has failed. Peer under the edge of the turntable all round to make sure it is not rubbing against the frame / base.
  5. The turntable is driven by a belt system off a separate electric motor. Usually these motors are hung from the frame on a sort of elastic band arrangement. These bands become perished and can break or just stretch unevenly, which causes the motor to hang at a funny angle. Sometimes this can result in either the pulleys rubbing against the side of the frame (would normally be a fairly continuous squeak). At lower speed settings (e.g. 33 rpm) this may also cause the edge of the drive belt to rub against the bottom of the larger (45 rpm) pulley above it. If you can't find a supplier of the correct replacement motor suspension band you may be able to fix it with ordinary rubber bands but it may take a bit of fiddling to get the motor perfectly level at exactly the right height.
  6. With the motor running and the turntable rotating gently press on the rim of the turntable with your finger as a brake to slow the turntable down slightly. Does the squeak increase or decrease in volume or pitch? If it gets louder or higher pitched that probably means that the drive belt is slipping slightly (in which case some records may sound a bit slow when you play them). You can either replace the belt or purchase a can of 'belt dressing' spray (obtainable from most good tool shops) and apply a light coating to the inside surface of the drive belt - don't over do it. The best way to do this is by rotating the turntable by hand whilst gently squirting a little of the spray onto the belt close to the point where it goes on to the pulley on the turntable drive spindle. Take care not to get the spray on any other moving parts or the electrical components as it is sticky and hard to clean off. If this is the problem you may need to re-treat periodically.
  7. The motor and belt drive system may be accessible either by lifting off the turntable deck (platter) itself or by turning the whole thing upside down (make sure you secure the pick-up arm before you turn it over!) and unscrewing the bottom of the case. Some turntable platters have viewing holes in them which are revealed by lifting off the rubber mat.
  8. Gently slip the belt off the pulley wheels on the motor and on the bottom of the turntable spindle. Check the pulleys for any lumps of dirt or fluff that may be causing problems. Also check that the drive belt is clean with no lumps or flat shiny spots. If the belt is worn replace it.
  9. If appropriate turn the turntable up the right way again.
  10. Rotate the turntable by hand. If it still squeaks the problem is in the turntable bearing and may easily be solved with a bit of lubrication. Some manufacturers will supply a little tube of special grease. If you don't have this a bit of Vaseline /petroleum jelly will do quite nicely. Don't use a silicon based lubricant like WD40 as this will dry out again over time.
  11. Try rotating the motor spindle by hand - if it squeaks there may be a problem with the motor bearing. These are not usually serviceable and will need replacing.
  12. With some turntables the belt runs through some little guide wheels between the pulleys on the motor and the turntable drive spindle. These may need lubricating with a little VERY light oil. Sewing machine oil is perfect for this. Only use a tiny drop applied to the axle of the guide wheels with a very fine paint brush. Don't use to much or use anything in a spray can as it might get on the surface of the pulley wheels where it will contaminate the drive belt and cause it to slip.

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1 Answer

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Remove the 'E' clip at the center of the turntable. Cup your hand around it and pop it off with a screwdriver. It can fly across the room. Clean the inside rim of the turntable, the rubber drive wheel and the motor post. If you can find "Vita Drive" that's best but Radio Shack will have something comparable. Make sure there is NO film left on any surfaces. At WORST, you will have to replace the drive wheel.

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I have Thomas Pacconi turntable which is about 5 years old but only used a few times. I tried it today and the 75 switch works but it turns too slowly on 45 & 33 speeds. Model TPC 7475


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!

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Sylvania stereo Model sc241w


Sounds like the belt broke off, if so, you must replace the belt with the proper replacement belt. If it is a Quartz Lock system, it will be very pricey to fix. If so, it's best you take it to a professional if it is a Quartz Lock system, they are very delicate systems and require careful repair.

Hope this helps!

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It sounds like the motor pulley is too high. try to screw down the pulley, maybe it came loose...The platter is designed specifically for the turntable and should fit perfectly in place....Another reason might be that the platter does not belong to the turntable, it might be too small and therefore sits lower than it should.

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Check to make sure that your voltage setting is set correctly. Look under the turntable platter. You'll see a voltage selector. Make sure it's properly set for your area (115V or 220V).

If this does not solve the problem, or you have a turntable that does not have the voltage setting feature, then you might have a faulty turntable drive issue or an issue with the power, which means something is wrong on the main board (located underneath the turntable platter).

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Just so you know, there is no actual 'motor' driving the platter. It's a direct drive unit, so it's made up of various circuits driving the unit.

With that said, anyone of those circuits could have gone bad. The good thing, is that most of the circuits (resistors, IC's, capacitors, diodes, etc), are relatively cheap ($2-10), the bad thing is replacing them, and finding out which ones are faulty. You could usually tell which resistors are burnt or caps are blown, but it's harder to test the IC's without the proper equipment.

This is not a cheap turntable, unless you think $300 is cheap for a turntable. Repair wise, your probably looking at about $80-120 for parts and labor. It's a well build turntable, and I think worth investing in trying to get it repaired. Just make sure you get an estimate before any work is done.

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