Question about Technics SL-1210 Turntable

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It doesn't turn consistantly so when you are listening to a record it speeds up then slows dows in a pattern

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If it is belt driven it might be either a motor problem or you might have a stiff spot in your belt.

Posted on Nov 17, 2008

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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

1 Answer

Slow turntable


I'm not certain if you know this already, but the light that shines on the left side causes a strobe effect on the platter. One of series of 4 patterns will seem not to move when the turntable is at the right speed. To adjust this you need a record playing and then move the slider on the right till the pattern doesn't move. Which one not moving will depend on the speed selected and also the mains supply either 50 or 60HZ.
You will get some variation in the movement, but you shouldn't notice the difference in the speed. If this is set up right and you still think it's slow, then you might have to look either right under the turntable or inside it. There might be on the underside one or two holes that might be covered up. They might even be labelled 45 and 33. If you find them you will need a small screwdriver and place it inside. This will turn a small speed pre-set. You will have to adjust this till you think it's right, with slight movements, testing with a record.
If they are not present on the underside you will have to take off the bottom and look inside for a pre-set. Normally it will look like a 3 leg device with a screwdriver slot in the middle of it. Sometimes marked on the board "VR" with a number. Alternatively it will be on the other end of the motor. If you have trouble locating it follow the motor leads to the main board.
Some turntables have two speed pre-sets others only one.

Dec 26, 2013 | Technics SL-1210M3D Turntable

2 Answers

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 | Turntables

1 Answer

Turns too slow


Post the make and model number of the turntable.

Apr 04, 2013 | ION Audio iTTUSB Turntable

1 Answer

Got a panasonic compact audio system model # SG-HM09A the turntable plays the record fast


there should be a small switch on the inside of the turn table that allows you to switch from 45 (what i think your listening to) to the normal speed which i think is 33

Jan 25, 2013 | Panasonic Turntables

2 Answers

My Teac sl-a100 record player sounds like a chipmunk


hi,
somewhere on that player is a switch for 78-45-33 rpm the speed switch look up around by the tone arm above by where the record goes, it may not be on the front. switch it to the correct record you have 45's are small. 78's are medium and 33rpms are the big records..
jm

Apr 30, 2011 | Teac SL-A100 Turntable

1 Answer

My turn table is going to fast when i play an record , what can i do to fix this? thanks


Hello the turn table has two speeds. 45rpm and 33rpm (rotations per minute) If you are playing a record that takes up the entire turntable you need to set it on 33rpm. For the records that only take up half of the turntable you want to set it on 45rpm. Setting the turntable on the wrong setting for a certain size record can make the record play to fast of to slow.

Mar 24, 2011 | Panasonic Technics SL-BD22D Turntable

1 Answer

Records turning at approximately 33 not 33 1/3. A


If it's not the belt some have speed preset controls which sometimes are found underneath (perhaps covered up) or they are on a pc board inside (accessed by underneathed).

Jul 31, 2010 | Sony PS-LX250H Turntable

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