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Re: tonearm goes to record and returns to start position...
Do you have an adjustable piece at the end nearest the pivot point [the bit that goes into the turntable] if you do then adjust the weight so there is more downward pressure on the record [ or just try putting weight on the tonearm ] and see if this helps
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Tonearm can be adjusted to travel back to its support. At the base of the tonearm is a small rubber stopper. Remove the stopper and insert a flat blade screwdriver into the slot beneath. Turn to the left and then test arm for repositioning correct. Adjust until its correct. John
Hi, I;m not familiar with that exact model however the problem you are describing is commonly caused by the automatic operation at some point not being allowed to complete its full operation. Ie the tonearm has been returned manually to its rest position before reaching the end of the record. Try this. With the player not powered up lift the tonearm across to the record run off groove and sit it there. You may feel some resistance which is normal as the mech has to eswt itself. Now turn on the power and turntable. The arm should automatically return from there to its rest. Try auto operation after that. Let me know how you go. Cheers John. firstname.lastname@example.org
Just had this occur to me and after a couple seconds figured it out. Tonearm returns once it hits a certain height on the tonearm guide (the bit that goes up and down when you raise or lower the tonearm cue lever.) If you manually hold down the guide, the tonearm will continue to play the 7" until the end. You don't have to push down hard, just a nice gentle [pressure while the record plays should do it. It solved the problem for me.
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.
What happens if you lift the tonearm and slowly move it over its travel in toward the label area past the expected point at which it should cycle? There should be a mechanical click as it engages the lift / return cycle. If so, the mechanism works but might be out of adjustment due to wear and tear.
Perhaps cycling the Record Size switch a few times might have a positive effect on the function. There doesn't seem to be a user adjustment for the end of play cycle.
If you decide to venture into the mechanics be cautious, always protect the tonearm from damage and make sure you rotate the platter only clockwise as there are mechanical interlocks that could get damaged if you turn it the wrong way.
Since there are no tonearm adjustments the only solution in the manual that comes close is to make sure the turntable is level. The other possibility is the no-brainer of checking the stylus cover is NOT rotated down, preventing the stylus from contacting the record.
A quick and dirty test of tonearm balance being too light would be to unplug the power and manually move the tonearm over the platter. Gently lower it to see if it floats in the air or lightly but firmly contacts the platter. That won't tell you if it is tracking properly but it might indicate or eliminate tracking force as the culprit.
on page 8 of the above service manual for your model it shows 4 electrical switches that tell the computer what 'state' the mechanism is in at any given time. Either one or more of the switches are intermittant or the mechanism has dried up grease that is slowing down the operation and basically gumming up the works. the old grease would have to be removed and replaced when it is causing binding. The switch just to the right of where is says "microswitch ksf-023" is an 'open air' type and so would be the most likely suspect. it simply needs to be cleaned with a super fine file designed only for cleaning switch contacts. THIS SERVICE SHOULD ONLY BE PERFORMED BY QUALIFIED PERSONNEL ONLY!!!!!