SOURCE: pioneer pl 990 turntable
Lift off the platter mat, then lift off the platter from the spindle - gently.
Underneath the platter is a sub-platter around which you place the belt - it should be held there by the stretch of the belt while you turn the platter back up the right way and place it back on the spindle.
Turning the platter by hand, you should see a small pulley come into view through one of the holes in the platter. You then stretch the belt slightly so that it slides over the pulley. Take care not to twist the belt while doing this.
SOURCE: I need to reattach the belt under the table
Download the manual free at http://www.nodevice.com/user_manual/pioneer/other_home_component/pl-990.html
There are instructions there and pictures showing how to attach the belt.
SOURCE: converting a turntable from automatic to manual
I suppose the only way to do it would be to stop it functioning completely. The only way would be to dissasemble the auto function. What you would need to do is work out which parts are essential for the turntable operation and which only activate the return. So you need to whatch the mechanism working. You will need to remove the base and look at from underneath, just like going underneath a car!
I can't say for certain if you can do it, only you will be able to determine it can be removed without affecting the operation of the entire turntable.
SOURCE: How do I re-thread belt
Hi,
Lift the platter straight up and
off the center spindle and looping the belt around the bottom drive
wheel of the platter and the motor spindle.
Some Pioneer turntable have multiple motors so the belt has to go round all of them.
In essence though, the belt just goes around the spindle or drive wheel
sitting on the motor and then around a sub-platter usually sited directly
below the main platter. It's unusual for a belt to go around anything
else.
I hope this helps.
Good luck.
SOURCE: My Pioneer PL-990 Turntable only outputs sound
The red wire is the right channel, so going back to your amp, get a single phono plug with with the wire exposed, so you can touch the wire. Then remove the turntable connections. With the amp on plug the the lose wire plug into each channel and check if the sound on the right is still low. If it is then there's a problem with the magnetic cartridge pre-amp inside the amp. They are often located near the phono socket on a seperate PC board, but if not just follow the red wire to the main board. Chances are it will be an IC that's failed.
If it has a strong buzz at the back of the amp. Then I should replace the wire between the turntable and the amp. Or the right phono plug that connects to the amp.
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