SOURCE: the arm will not return to stationary and the table keeps spinning afer the record is played
HI...
One or two mechanical linkages inside have "let go"
Denon is good stuff. Depending on where you live I might be able to suggest someone to fix it.
SOURCE: AT-PL50 won't play
take the turntable arm by your hand and place it above the record,then use the up and down lever to lower arm on record!!
SOURCE: I bought a very nice toshiba record player arm won't move
I am not familiar with that particular model, but the hum is probably the motor. I would check to see if the belt has slipped off or even exists. I'll look it up tonight and update this if I find out more.
Dan
SOURCE: tone arm comes out and touches record, then goes back to cradle
See what kind of arm position sensing elements are used in your turntable (micro switches, optics or possibly other) and check if they work correctly - sometimes a microswitch can be damaged or have oxydized internal contacts or a badly soldered / broken wire and it will not function properly, causing the unit to stop automatically, the same might happen if the sensor is of optical type and there is some dust or broken wires or if the emmiter or sensor is damaged. Also, it could be a problem with the part that activates the switch / optics, it might be displaced or damaged.
If all sensors / switches seem to work well, then check the section which has wires going to those sensors / switches, it's the next probable location of the fault (it might be an electronic controller so there could be damage to some components, broken wires, dirty connectors or bad solder contacts).
It could as well be something else in the mechanisms, wiring or electronics, i just suggested a few things that might cause the malfunction you described.
Hope you can get it fixed.
regards
3rq8 (Triarcuate)
SOURCE: My 1964 Rock Ola Capri
The movement of the arm is controlled by a cam; in that cam a pin should slide - in your case the pin got stuck in the channel of the cam. The mechanism should have been cleaned and oiled at least every 2 years. When you haven't done that the dust and dirt accumulated and practically have blocked the mechanism.
You will have to completely dismantle the mechanism, clean it with some paint thinner, dry it thoroughly, oil it abundantly and assemble it back to working order. Be careful and don't force, it's an old mechanism, the metal parts have become brittle with age.
BTW there is no reset button, that is just a service power button for the motor of the mechanism.
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