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Sl hm42 too slow and too fast

So i have this automatic turntable, its part of a panasonic home audio system...it has a switch for two speeds 35 and 45 i believe......the problem is that the when the switch is at 35 the record plays too slow....but when its at 45 it plays too fast.....anyway i can fix that?

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Check online. There are plenty of places that sell needles for turn tables!

Posted on Dec 03, 2010

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SOURCE: panasonic automatic turntable model sl-hm42

I'm having a similar issue - except my panasonic sl-hm42 platter is moving too slow on 33 1/3 settings (don't have any 45's to try). It's a DC model, so I would think there would be some kind of pitch control settings or screws somewhere on it but I can't seem to find them.
Does anyone know if it's possible to adjust the pitch on this model turntable? Thank you!

Posted on Nov 23, 2011

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1 Answer

How do I fix the speed of my Technics SL-6 Turntable?


Something has gone awry in the world beneath the platter so you will have to remove the platter to expose the mechanism, then observe what happens (or doesn't happen) when the buttons are pressed.

Jul 29, 2014 | Technics Audio Players & Recorders

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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

Panasonic SL-HM42 turntable runs a bit too slow on 33rpm. Hasn't been played in a while. How do I the plate off to check the belt?


Most turntables need you to lift of the matt and then round the spindle is a horseshoe clip which you need to take off.

Aug 29, 2013 | Sony PS-LX250H Turntable

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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 Audio Players & Recorders

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

2 Answers

I have a SL-HM42, it has a small flat white plug on it and I'm not sure how to hook it up. Am I missing something?


I'm trying to work out the same thing too. The stereo unit that came with the sl-hm42 stopped working recently and I'm trying to work out a way get the record player going again. By the looks of things I'm going to have to invest in a pre-amp to boost the output of the record player but that will be no good unless I can work out what each of the wires do....

Let me know if you work it out yeah?
Also, just to check, does your flat white plug have 6 wires?

Jan 02, 2011 | Panasonic Technics SL-DZ1200 Turntable

1 Answer

I got a panasonic atomotive turntable - ser.no. SL-HM42. I require a needel for above


Check online. There are plenty of places that sell needles for turn tables!

Dec 03, 2010 | Panasonic Audio Players & Recorders

1 Answer

I have just bought a pre-owned Technics SL BD-22 turntable and the speed is variable - when I adjust the pitch adjustment wheel it seems to get worse. On listening to familiar music it seems to be running...


Have a look at the bottom of the turntable. This type of turntable often have speed adjusters. They might be covered by a sticky label or something. If you can't see that go inside by removing the bottom and look inside for them. There should be two, one for each speed.

Sep 21, 2010 | Technics SL-BD22 Turntable

1 Answer

Panasonic automatic turntable model sl-hm42


I'm having a similar issue - except my panasonic sl-hm42 platter is moving too slow on 33 1/3 settings (don't have any 45's to try). It's a DC model, so I would think there would be some kind of pitch control settings or screws somewhere on it but I can't seem to find them.
Does anyone know if it's possible to adjust the pitch on this model turntable? Thank you!

Oct 25, 2008 | Panasonic Technics SL-DZ1200 Turntable

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