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Drive Belt on Pioneer PL120-II Turntable

Somewhere throughout the years I've inherited a Pioneer PL120-II turntable. Recently I thought I'd get it working to use as a backup for my Technics SLD-2. The Pioneer wouldn't work due to a missing drive belt. I ordered one on-line and for the PL120-II it specified a 23 1/2" belt. When I went to replace it, the belt seems much too big. There is an active drive shaft around which the belt goes (I thought) and a passive idler spindle that the platter slips down onto. My thought now is that there's some kind of rubber pulley assembly that affixes to the drive shaft that I'm missing. (There's a sticky, melted-rubber-like substance all around the drive shaft.) Can anybody shed some light on this?

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Re: Drive Belt on Pioneer PL120-II Turntable

Clean the spindle with alcohol and put a single drop of thin oil at the bottom of it
the sticky stuff is the rubber corroding
if the belt is not too stretched , boil it in water with some vinegar for a couple of minutes , if its too bad then replace it

Posted on Dec 18, 2008

Re: Drive Belt on Pioneer PL120-II Turntable

I've got one and it doesn't have anything on the spinning bit, it's just metal.  The band seems to fit okay, but the speed's all wrong.  Don't know what the problem is.  Any ideas?

Posted on Aug 27, 2008

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Turntable not turning to play record............. power on............ please help my email address -

This could be many things like the following>

If its a direct drive turntable the motor could be "blown",
or motor electonic speed controller burnt out.
If its a belt drive turntable then the belt could be broken
or stretched and is slipping, or the belt can have dropped of a drive pullety.
Also there are speed control mechanisms to adjust the final speed of the
turntable to the recorded speed of the record like 331/3rpm, 45rpm 75rpm
These speed reducing mechanisims can slip and cause the turntable not to turn..
There are also other mechanical bits that slide and push against each other,
and these can get sticky and the friction increases so much that the power
from the motor drive causes the belts to slip, so you need to identify if a
friction problem exists as well..

If you are carefull you can look your self and find out which one of the above it is.

Be warned there are lethal voltages inside the turntable which can kill you....
so please dont have the power on when making any inspection or adjustments.

Cheers From YUBEUT..

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