Question about Technics Turntables

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Slow speed I am having a problem with the variable speed control. I cannot get the speed up to 331/3 rpms when playing an album. Is this something that can be fixed or do I need to purchase a new speed control assembly? Where can I find a control assembly? Thanks for any help you can provide. Kenny

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Hi,

What model do you have?

It could be a few things. It may be as simple as an adjustment to the pitch control (if your table has one), it could be the pitch control itself or something more serious.

Is it Belt-driven or Direct drive?

[J]

Posted on Nov 14, 2008

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When playing 45's the speed slows up for a min then returns to normal. Pitch control already over to the left as far as it will go


You don't say if this is a direct drive or belt turntable.

If it is a direct drive then clearly there is something wrong with the drive circuit that controls the 45 speed.

A belt drive model is more problematic, though a two speed motor could account for it. Maybe the power for the two speeds comes via two separate circuits. If this is the case a motor that has lots of wires going inside it's base would imply two power levels going to it.

Sep 11, 2015 | Turntables

1 Answer

My Gemini TT 02 gets stuck at 45 RPM. To get back to 33 you have to turn off and on again. Also the pitch is wildly out by about +7. Is there any way I can repair this?


Your terminology confuses.

Point 1. Why to you say, "Stuck?" Does it not make sense as a possiblity that the designers sought to prevent rotaton speed from being changed mid playback, especially on, say, an LP (long play) album with different side (stereo instead of 45 monaural) grooving. What would be the imperative of changing record speed in that manner...only one record type will play at a time. If changer, only one type record seriies can be played, all at the same speed.

Point 2. ...about "pitch...wildly out by about +7.

First, what are you meaning by pitch and by + (not -) 7. Since there is, to my knowlege, no record spin criterion known as pitch, are you referring to spin speed; hence to playback sound frequency, whether steady state or variable? If there is no user control of platter rotation speed on your unitn there would be little you can do other than to ensure all parts above and below platter are running smoothly with no drag or interference...possibly even lightening the record load on the platter, if a changer; and making sure records are clean to prevent slippage by washing with water or soap and water and air drying--avoid label. If your turntable is optically speed controlled (by timing marks on platter rim) those are typically adjustable to hasten or slow platter speed and therefore playback frequency pitch to your liking. "Wild variation" could reflect mechanical impedance as indicated above. Also check for record warping by trying known true record playback. Finallly, wild variation could be indicator of platter motor end of life cycle. Start pricing a motor if nothing helps.

I still don't follow the significance of the speculative(?) 7. Please explain if possible.

Sep 27, 2014 | Turntables

2 Answers

Why is turntable too slow?


If it's belt drive, the rubber drive belt may be slipping (look inside and see if you can detect slippage).....or if it's gear driven or direct drive.....I'd just let it run for an hour or so and see if it speeds up.

If not, and it's valuable, take it to a repair shop. If it's cheap....scrap it!

Jul 30, 2014 | Crosley CR6007A Turntable

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

Fix speed and pitch problem sony ps-t15 turntable


The pitch control need to be cleaned. You will have the remove the bottom to do this. It will require servicing. It could also be PCB board that that controls the pitch or a bad motor.

Jan 02, 2014 | Sony Turntables

2 Answers

My Jensen JTA 450 is playing LPs too slow even though 33RPM is already set. The songs are slower than usual. Please help me.


The record that you are trying to play maybe a 45rpm recording. Some 45's were released in album size recordings.

Jun 20, 2012 | Turntables

1 Answer

My PS_X6 has started running slow?


It looks like the platter mechanism is going bad. This is a direct drive and few things could be happening with either the motor speed is changing or the mechnism. You can tune the motor speed on some turntable using a variable resistor ( like old radio volume control)

Dec 16, 2011 | Sony Turntables

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

Sony PS-LX250H is running slow from time to time notibly when playing slower songs like John Denver 33 albums.


Hi,
Replace belt of turntable to fix speed issue. Part number is as follows:

421549201... BELT

Available in Sony Part Store for $10.31
Download user manual copy from Sony Support as belt replacement procedure is written in manual.
Thanks.

May 17, 2010 | Sony PS-LX250 Turntable

1 Answer

WHEN I PLAY A 331/2 RPM LP IT SOUNDS A LITTLE


The needle itself will not induce drag on the record. Even worn needles play no role in the problem you describe. The belt, provided it has suffcient tension to turn the platter, is doing it's job. The most likely source of malfunction is the motor itself. Try sliding the speed switch back and forth while the turntable is turning. If you see no difference in the speed between the 33 1/3 rpm setting and the 45 rpm setting, you have most likely eliminated all sources of the malfunction other than the motor. They are very prone to failure. If a replacement can be found, the job of installing it is not particularly difficult but indeed should be left to someone skilled at soldering electronic parts.

Dec 22, 2009 | Seth Thomas Pacconi Turntable

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