Question about Pioneer PL-990 Turntable

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My turntable is playing a tad slow...it makes every record sound warped!

What do I do? My speed control doesn't help, I've tried adjusting the weight of the tonearm, I've tried the anti-skate...any suggestions??

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  • kg1905 Mar 12, 2009

    I've changed the belt on my PL-990 and it still plays WAY too slow, it seems like when I move the speed control past a certain point the speed just stops increasing. It's very clear that the calibration is shifting while playing. Sometimes it even modulates....


    Should I just throw this thing out?

  • Anonymous Mar 23, 2014

    I have a brand new crosley portable turntable and it turn too slow on 33 1/3 rpm records when the rubber anti slip mat is used but turns at normal speed if I don't use the mat. It's if the extra weight is dragging the motor down.

  • Anonymous Mar 25, 2014

    The needle on my Bang and Olufsen RX turntable doesn't tracking even after I adjust the weight.

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Hi CGS8021

Sounds like the belt is failing. You can get one from here

Where in the world are you? I will link you to the closest source.:)

regards
Robotek

Posted on Apr 30, 2008

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1 Answer

How do I fix the tonearm of my Technics SL-1950 so it doesn't keep pulling to the right when in neutral balance?


The anti-skating control adds an outward pull to the arm to compensate for the inward pull exerted on the arm when a record is being played.

Setting the anti-skating control to "0" should virtually eliminate the drift you mention when the arm is in neutral balance. Also make sure that the whole unit is level as this may also affect the arm's tendency to drift.

Dec 11, 2014 | Technics Audio Players & Recorders

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MAKE MY TONEARM STOP SKATING


It's possible your weight adjustment has been mis-adjusted since you last used your turntable. On the tonearm, there should be a weight adjustment wheel. Turn this all the way towards the needle (IN). Now, adjust it backwards until there is no resistance in the tone arm - this is your zero point, reset the wheel on the weight adjustment knob to read 0. Now, adjust it forward to 3 grams of downward pressure. This is usually the minimum amount of force needed on a record. If it still skates at this setting, adjust it with gradual amounts of greater force until the skating stops.

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Hi, Assuming the the turntable is on a level platform and that you have "adjusted the weight and anti skating correctly", might it not be just the styli/cartridge that's left in question? Visually check the styli/cartridge assembly, look for unevenness of wear on the needle itself, compare with a known good styli the angle. On some rare instances, it is the shielded wire inside the arm. Hope this be of some help/idea. Post back how things are or should you need further information. Good luck and kind regards.

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I don't know what you are referring to as sub weights. Everything you need is already on the tonearm.First you have to balance the tonearm, then you adjust for stylus pressure and anti-skating. For more information, please my website at audioserviceclinic.com. Thank you.

Nov 23, 2013 | Denon DP-47F Turntable

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Need to know how to adjust tone arm and anti-skate


Get one of those little mini-digital scales that should sell for about $30 or less. Make sure it reads in 0.1 or 0.01 increments. Unplug the turntable (so the platter doesn't spin) and place the scale in the tonearm path. Most tonearm and headshell combos should work well in the 1.0 to 1.5 g range. Weigh the tonearm balancing on the scale about midway through the path (where it would be in the center of the record)

I used a flat plastic credit size card to protect the stylus on the surface. Don't forget to tare the scale to 0. Attempt to calibrate your weight scale adjustment on the tonearm to match the scale while you are at this. Once you have found a setting that works for you, match that marking on the weight scale adjustment on the anti-skate wheel.

You should have a turntable that sounds nice and is also gentle on your records!

Feb 18, 2013 | Audio Players & Recorders

1 Answer

How do you adjust the tone arm on a Denon DP-47F turntable? Thanks Cosmicharlie


Basically, like almost any other turntable.

Look up the recommended tracking force for your cartridge/stylus.

Unplug the power to the turntable.
Using the tonearm elevation control, raise the tonearm.
Manually move the tonearm in toward the platter.
Manually rotate the platter ClockWise a few turns to disengage any cueing mechanisms.
Set the Tracking and Anti-skating controls to 0.
Disengage the tonearm elevation control. The tonearm will either float or drop. This is why we have no power, just in case it hits the platter.
Adjust the counterweight until the tonearm floats exactly horizontal. Use the flat portion of the tonarm rest as a gauge.
Return the tonearm to its rest.
Dial in the prescribed tracking force and anti-skating. Play records.


Register with http://www.vinylengine.com/ and find the manual here...

http://www.vinylengine.com/library/denon/dp-47f.shtml

Basically, like almost any other turntable.

Look up the recommended tracking force for your cartridge/stylus.
Unplug the power to the turntable.
Using the tonearm elevation control, raise the tonearm.
Manually move the tonearm in toward the platter.
Manually rotate the platter ClockWise a few turns to disengage any cueing mechanisms.
Set the Tracking and Anti-skating controls to 0.
Disengage the tonearm elevation control. The tonearm will either float or drop. This is why we have no power, just in case it hits the platter.
Adjust the counterweight until the tonearm floats exactly horizontal. Use the flat portion of the tonarm rest as a gauge.
Return the tonearm to its rest.
Dial in the prescribed tracking force and anti-skating. Play records.

Apr 14, 2011 | Denon DP-47F Turntable

1 Answer

My arm slides across.dont no how to adjust counter weight.


hello george!
first of all remove any needle protectors provided, there is some "weight" on the arm (at the opposite end from the needle). Release the tonearm, you have to turn the weights untill the arm is in balance, then turn 2 and a half so that the needle will go down (2.5 grams), this is the optimum pressure for the needle (pick-up), some people will tell to do more pressure on the pick-up but this will result in higher wear down. On the other hand necessarily this is needed for environments with higher vibrations like discothekes. Be careful not to allow the needle to drop onto the mat or the turntable platter during this adjustment.
The next step is to adjust (if available) the anti-skate adjustment. Set the antiskate adjustment to the same number as the needle pressure setting (i.e. 2.5 grams would be an anti-skate setting of 2.5). If you are back cueing or scratching, then set the anti-skate setting to 0.
regards

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Apr 12, 2011 | Pioneer Audio Players & Recorders

1 Answer

The record keeps sticking in same place iv adjusted the hight weight and anti skate i know its not the carts or needles cos iv swapped those its been suggested to me tht the arm is damaged or bent even ???


Hi, have you tried manually moving the tonearm (with tt off) from its stating position across the platter to the centre? If you do this and find you get resistance at a certain point then there is damage to the tone arm base or bearings. Is the tonearm lifter going down completely?

Apr 09, 2011 | Technics SL-1200MK2 Turntable

1 Answer

I just set up my audio technica AT-PL120 for the first time, and I can't stop the tonearm from drifting back to the rest. I can't get the stylus to stay straight unless I add more on to the counterweight,...


KEEP THE ANTI SKATE AT 0 FOR NOW,then you need 2 balance the tonearm with the rear counterweight so it just hovers at around the height of the platter.now you need to zero the gauge on the rear counterweight being carefull not to turn the counterweight,then check again that the tonearm still hovers.then screw counterweight inwards untill the dial on counterweight reads between 1.5- 2 grams dependin on tracking weight of cartridge.then adjust antiskate 2 whatever u set the tracking weight to.i would also double check with a spirit level ur level surface

Oct 12, 2010 | Audio Technica AT-PL120 Turntable

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Well on my technics MK2 1210's, the little anti sketch settings and all the others probably arent set to what they are supposed to be, because my needle arm keeps jumping :P could someone tell me what all...


There are two main things that will influence the anti skate settings.

1) The Headshell Weight and Balance
Firstly, check the data sheet for the cartridge and stylus you are using. It should tell you the correct weight setting which will vary from one cartridge and stylus to another. If the stylus is set too light, it can skate across the disc. This can damage the disc and the stylus. The sound will also be thin and it is likely to distort on high frequencies. If the weight is too heavy, it will not jump but will definitely damage the disc.

If you are a serious vinyl user, get yourself a tone arm balance. This is a device that you place on the turntable and you rest the stylus on a plate which is marked in micrograms. You place the stylus exactly at the correct weight marking and then make adjustments to the turntable settings until the tone arm is balanced. It's easier than it sounds!

If you don't have the data sheet for your cartridge and stylus and cannot find it online, use an old disc that you don't mind damaging, set the weight on the light side and gradually increase the weight until it stops skating.

2) Platter Levelling
Secondly, you need to make sure your turntable us on a level surface. If you are a purist, use a spirit level. to do this.

There are other things that can cause skating and jumping, especially if you use the turntable as a DJ. For example, vibration (caused hopefully by dozens rocking to your music). DJs will often increase the headshell weight very slightly to overcome this and I have sometimes placed the turntables on a thick rubber sheet such as carpet underlay to improve shock absorption.

Mar 26, 2008 | Technics SL-1200MK2 Turntable

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