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Turntable running slow

I haven't used my Sl-L2 turntable in quite some time and when I recently used it it played fine for a little while and then it started slowing down. It is a direct-drive so that should eliminate any stretched belts. Is this something I can fix myself, or do need to get it serviced? Thanks, Bob

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  • Technics Master
  • 5,056 Answers

You'll probably need a service manual for something as tricky as this, so unless you have got one I would send it for service. You might also have problems getting any replacement parts too doing it yourself.

Posted on Jan 16, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ScottSwan
  • 33 Answers

SOURCE: all my vinyl sounds warped on turntable

Most common problem is the belt getting soft, especially if it has sat for a long time. It will get a weak spot where it sat on the drive pulley and every time the turntable goes around and hits that weak spot it will slow down a little making it sound like a warped album.

The belts are usually very easy to replace. Usually just lift off the turntable or there might be a small clip on the center pin, then it lifts off. Replacement belts can be ordered from several places, as shown in this search... http://www.google.com/search?&q=SL-B200+Technics+turntable+belt

Posted on Feb 17, 2008

  • 1 Answer

SOURCE: Technics SL-23 belt driven turntable (NOT SL-1210 but I had to enter something)

Howdy Ivy:

An Adobe PDF format service manual for the Technics SL-23 turntable can be downloaded from

http://www.servicemanuals.net/

for about $16.

Good luck!
Paul H.

Posted on May 21, 2008

  • 104 Answers

SOURCE: 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

Posted on May 28, 2009

hondo73162
  • 132 Answers

SOURCE: Technics SL-J1 turntable drive belt

Hello Cliff,
You will need 2 belts, if the turntable belt is gone the other is not far behind . One for the turntable size 23.6 inch by .188 and one for the tracking motor that is in the top cover part, is a 3.0 inch by .046 belt. best place to get them is at kenselectronics.com part numbers 1407-201 and AV-SBS3.0 if you have been checking around you will see other sizes, I have a SL-J1 and have used these and they work perfectly.
Tony

Posted on Nov 13, 2009

dunnbiker
  • 8546 Answers

SOURCE: Platter/motor won't turn

I don't know the answer, but you have written one of the finest, most comprehensive problem descriptions I have come across. In mechanical scenarios, that is priceless. I'm sure a turntable guru will see it and go, "aw. I know what that is". Good Luck.

Posted on Feb 15, 2010

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1 Answer

Turntable playing too slow


there is a (v.r) for speed in side look for it and turn it a little

Mar 24, 2014 | Technics SL-BD20D Turntable

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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!

Aug 29, 2013 | Audio Players & Recorders

1 Answer

Turntable slows down and stops


If it has a belt drive, the belt has stretched and needs to be replaced.

Oct 07, 2012 | Teac SL-A100 Turntable

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Although my turntable seems to be fine there is hardly any sound coming through my amp/speakers from it. I'm using a different power lead for it since I've lost my original but it fits fine an


your needle has worn down, or the RCA leads(red & white) arn't plugged in to the phono socket on the amp,or you haven't selected phono on the source select,or you have the tape monitor button switched on.

Jul 07, 2012 | Technics SL-BD22 Turntable

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I have a Sony turntable. Never had a problem. I just started playing records on it recently and it has developed a screeching sound and the turntable slows. I removed the platter and check the belt and...


If it's a mechanical screech you should be able to recreate it by rotating the platter by hand clockwise. Are you saying that did not reveal anything? I'd suspect a foreign object is involved.

Mar 25, 2010 | Technics SL-BD22 Turntable

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Technics turntable plays but no sound with Sherwood receiver


The problem is the fact that the new receiver has no phono input. The phono input has an extra stage of amplification built in. Your receiver is working fine. You need to purchase a phono pre-amp. These run around $20. Connect the turntable to the preamp and the presmp output to any line level input on your new receiver and everything will work as expected.

Dan

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Technics SL-L3 turntable no sound until warm up


either the cartridge is bad in the phonograph tone arm.  Or the pre-amp in the stereo is bad...remember that the turntable is the only accessory that uses the pre-amp input on the stereo.  I'm betting the pre-amp is bad.

Mar 10, 2009 | Technics SL-1210 Turntable

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All my vinyl sounds warped on turntable


Most common problem is the belt getting soft, especially if it has sat for a long time. It will get a weak spot where it sat on the drive pulley and every time the turntable goes around and hits that weak spot it will slow down a little making it sound like a warped album.

The belts are usually very easy to replace. Usually just lift off the turntable or there might be a small clip on the center pin, then it lifts off. Replacement belts can be ordered from several places, as shown in this search... http://www.google.com/search?&q=SL-B200+Technics+turntable+belt

Feb 17, 2008 | Technics SL-1210 Turntable

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