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Alicia Coles Posted on Feb 13, 2015

Hi I have gemini XL500 I was having trouble when queuing up a record the platter would slow right down & stop, I took the screws out lifted the spindle while replacing the screws which worked for a while but right deck is starting to do it again but not as bad yet, the right deck was worse than the left before, wondered what yr advice/suggestions would be :) Also from reading yr answer to someone else's question I'm thinking i may need to replace my pitch on left deck tunes are speeding up n it's far from a org change if you go up n down on the pitch.. Thank you so much :)

5 Related Answers

Anonymous

  • 515 Answers
  • Posted on Sep 23, 2007

SOURCE: SL1210 mk2 pitch problem

You lack the proper tools to calibrate the pitch. Here are is a tutorial on calibrating your unit: http://www.djproaudio.com/cgi-bin/Help/kb.cgi?do=read&id=18&lang=en Also, that decal on the turntable that measures speed, is not an exact science. It's just an indicator to give you an estimate of the speed your turntable is rotating. It's not to be used as an exact measurement. Over time, pitch controls tend to drift from their original settings. Calibrating it back to factory specs might fix the problem, however, there are various other factors which control the drive of these turntables. So, if this does not work, the problem lies somewhere else - usually within 1 of the 3 IC's.

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Anonymous

  • 515 Answers
  • Posted on Jan 19, 2008

SOURCE: High-pitched, repetitive squeaking noise from under platter on 1210MK2

Make sure there is nothing on the magnet part of the platter. Also, sometimes, the screws that hold down the plastic protective cover underneath the platter might not be seated all the way. Lastly, look at the bottom of the magnet, and make sure that it is in tact, and nothing is bent, broken, or cracked.

Other than that, try switching out the platters from your other turntable, and see if the problem persists. You need to rule out what it is not, before you can proceed with finding out what is the problem. So if the noise moves to the other turntable, you know the issue is with the platter. If the noise remains on the same turntable, then you can rule out the platter being the culprit, and can isolate the issue to the turntable. I've never heard of this, and I've fixed well over 3000 Technics 1200MK2/MK3/MK5 turntables in the past 10 years. I am also considered THE 1200s MASTER. So, I am not sure what could be causing this noise, other than some foreign matter. If your in the NY metro area, bring it on by, and I'll take a look at it, or give us a call, and I'll try and refer someone locally for you:

http://www.tweakrepair.com

- J

Anonymous

  • 515 Answers
  • Posted on Apr 30, 2008

SOURCE: technic's 1210M5G problem with the pitch slowing

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

- TERMiNAL OPTiC
www.DJPROLAB.com

Anonymous

  • 5 Answers
  • Posted on Nov 12, 2009

SOURCE: platter or motor or what?

Been seeing a lot of problems like this on the newer decks. if the lights instead of moving smoothly are moving a bit, then stopping a little, then moving a bit more. or just wobbling a little bit usually has something to do with the motors... I have also just had to have mine replaced to was having the same problem.... expensive

Anonymous

  • 1 Answer
  • Posted on Aug 05, 2010

SOURCE: turntable will not hold pitch,speeds up or slows down.

they arte direct drive though so smirf617 how will that help ?

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1helpful
1answer

My Audio-Technica AT-LP120 USB is "catching" when spinning, almost something is touching the turntable in one place, slows it down and takes off the right pitch.

Check the simple stuff first. Look at the LP you are playing for scratches. Even a light scratch can affect the player. Check the turntable platter and spindle to see if they are clean and set up correctly. The smallest bit of dirt can affect the turntable. Try this.
Check the playing needle is clean as a small piece of 'fluff' can cause drag as the record plays.
Remove the felt cover on the turntable then remove the platter the records sit on. It should pull up and off. Over time the platter settles in place so it might not want to come off easily. You might need a helper to push down on the spindle and turntable body to stop it lifting as you pull up on the platter. It might let go suddenly so be careful.
Inspect the platter on the top, edge and underside for dirt or anything that was trapped. Don't forget to check the hole as well.
Next check the area where the platter sits to make sure that it is also clean.
Finally check the drive spindle itself. Make sure the spindle is clean. Position yourself with the spindle at eye level and turn on the turntable to get the spindle turning, (try 45 rpm).
Watch the spindle to see if it wobbles as it spins. The spindle should spin with almost no wobble.
Refit the platter. Again go to eye level and spin the turntable. This will check the platter is fitted as level as possible.
If this doesn't sort out the issue you might need to get a specialist repairer to check that the parts inside the turntable aren't the cause of the problem.
3helpful
1answer

Why did it stop revolving?

It is typically the belt that connects the motor to the platter fails..
Usually to inspect the rubber pad on the platter lifts up and the belt is visible, Install a replacement belt and then using the opening pull the belt up and over the motor.

The trick is finding the right belt. Measure the length of yours and order over internet . Next trick is to remove the platter. There is usually a snap ring more like a wire that keeps the platter from coming off. With a pointed tool slip the took under the wire and carefully pull the retaining ring up.

Some turntables use a direct drive. These usually have the problem of the rubber drive wheel gets hard and the turntable is slow. Just stopping is more likely a belt. It is possible the belt has simply come off and in that case reinstalling may work.



Fixin to be Green Don Toss that Turntable
26044107-iw0uppkrtuaby0cw3enjxd1j-2-0.jpg

26044107-iw0uppkrtuaby0cw3enjxd1j-2-2.jpg
How to Replace Turntable Belt on Belt Drive Turntable
3helpful
2answers

Recently purchased used Panasonic SL-HM42 turntable. Works, but turning a little slow on 33rpm (30-31rpms) says DC Servo System on the front. Don't see any set screws on bottom. would like to get platter...

How to tweak the playback speed on Panasonic SL-HM42 turntables
recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-20.png

You will need:

  1. 1x small Philips screw driver
  2. 1x small flat-head screw driver
  3. An ear for correct pitch and a little bit of DIY skill!

Step 1 - Remove the wooden base plate

After ensuring that you've removed the the rubber turntable slip mat and securely docked the turntable arm, carefully flip the turntable over onto its lid to expose the wooden base plate, as per below.

Using the small Philips-head screw driver, remove the screws holding the wooden base plate in place, then gently lift the base plate off the turntable.

recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-26.png

Step 2 - Expose the pitch adjustment screws

Once the wooden base plate is removed, you will see the speed-controller circuit board on the right-hand side.
recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-50.png

To expose the the two speed/pitch-control screws, firstly remove the screw holding the speed-controller circuit board in place, then gently lift the circuit board up on the free side.
recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-41.png

Step 3 - Correct the turntable playback speed and pitch

The easiest way I found to correct the playback speed was to flip the turntable carefully back into the original position, allowing the speed-controller circuit board to hang free as shown below.

recently-purchased-used-panasonic-sl-jxgmd5u3zcskalhaccgps5fw-3-60.png

Next, play a record that you know well and are able to tell when the speed/pitch is correct (assuming you have an ear for correct pitch, that is!), then at the same time using the small flat-head screwdriver, gently turn the speed adjustment screw(s) to adjust the playback speed up or down until the correct playback speed and pitch is achieved (or at least until it no longer annoys you ;).

Turning the screws clockwise (to the right) will increase the speed/pitch, and anticlockwise (to the left) will decrease the speed/pitch.

NB - Both screws allow for fine pitch control, so if the second is already at maximum speed, you can use the first screw for additional speed.
Step 4 - Reassemble the turntable again

When you're happy with the speed of your turntable, remove the record, the mat again & locking the turntable arm, replace the screw holding the speed-controller circuit in place (as per Step 2) and then finally replace the screws holding the wooden base plate, as per Step 1.
Happy listening!
0helpful
1answer

My denon 26-f turntable stylus arm lifts about 2 minutes before end of record. how can this be adjusted on the turntable?

Hi Richard, at the base of the tonearm look for a rubber grommet. Under it you will find a screw. Adjust clockwise slightly to make the tonearm lift further along. Fine tune antil sorted. If the adjustment is not at tonearm base remove the rubber platter mat. If the platter has an access hole in it rotate platter so the hole is near the tonearm and look for scew to adjust. John styluscity.com
0helpful
1answer

Zennox usb turntable arm rises before end of record

Hi, we don't have that model turntable in NZ so I can't say exactly where the adjustment for the tone arm lift position is. However on the majority of turntables it will either be beside the base of the tonearm possibly under a rubber grommet or if you remove the rubber platter mat and there is a hole in the platter near the outer edge rotate the platter whilst looking through the hole for a screw near the tonearm. Adjust anti clockwise a little and test. Fine tune until you are happy with where it stops. John. styluscity.com
0helpful
1answer

Turntable will slow down for a moment while playing causing a dragging effect in the sound of the record. Turntable hasn't been dropped or damaged in any way.

You will need to check your belt for wear. Lift felt on platter and check belt tension. It may need replacing. To replace, simply lift platter section of the unit, taking note of the belt position. replace and your problem will be solved
0helpful
1answer

Belt came off, don't know how to put belt back on

The platter should lift off and allow you to see the motor, drive pully's, and the belt. You should be able to put the belt back on the platter pully and then around the motor pully and the just align the platter back up with the spindle and gently lower it back into place. If the platter won't just pick right up off the spindle, look for three screws that hold it down to a triangular shaped support underneath. When you remove those screws, the platter should lift right off and allow you to see the drive pully and motor and belt. Good luck, and be gentle.
0helpful
1answer

Sme problem but more

I do not quite understand your description. However, the motor switch is underneath the deck and is very sensitive to adjust if you have to.

Try starting from scratch with no record on the turntable, the protector over the stylus. and the arm lifted with the cue button. The motor should not be running.

Gently move the arm towards the platter. The motor should start up.

Continue gently moving the arm across the platter slowly until you hear a slight clicking noise.

The arm should try to lift (it's already up) and return to the rest - it will stay up, of course.

After one more rotation of the platter the motor then switches off, or is supposed to at least, by a cam under the platter. You should hear the click as it does so.

It is all a matter of adjustment, and any knocks or bangs the deck may have had may have changed the set-up.

The STOP button you mention is so that you can start the arm lift- and -return cycle at any point on the record. It is not a switch.
0helpful
1answer

Quartz accuracy not accurate

Sometimes it's down to the mains in the country you are in. Some decks change speed from 50HZ to 60HZ.
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