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Pioneer PL-630 repeat mode issue

Tripqzon

Tripqzon

AK Subscriber
Subscriber
I was working on this turntable for a speed fluctuation issue, which I've resolved. During final testing I discovered that when in REPEAT mode the stylus drops too far outward of the lead-in groove. It drops just close enough to the edge of the record that it slips off the edge. It works great when using Auto-Start/Stop mode though. I don't see any adjustment in the service manual to correct this. I'm thinking an issue with the optical sensor/s not talking to the controller chip properly. Could it just be that the tonearm assembly needs to be cleaned and re-lubricated? Has anyone had this issue with the PL-630? I can post a video if needed.

I'm not doing a full restoration on the turntable as the owner does not want that. They just asked me to fix the speed issue. I want to fix this as well while in there.

Thanks
 
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i think that is a known failure with the 630. i thought that i read that it is not fixable. here you go:

Restoring a Pioneer PL-630 Turntable

You may not need to disassemble the switches. Just spray DeOxit D5 from the back, then actuate the each control 40-50 times. Wait 30 minutes, spray in a bit more, and actuate around 30 times more. The problem should clear up. The controls in question are Speed Select, Quartz Lock, and Pitch...
www.audiokarma.org

on the next page a guy claimed to have fixed it..
 
painttoad said:
i think that is a known failure with the 630. i thought that i read that it is not fixable. here you go:

Restoring a Pioneer PL-630 Turntable

You may not need to disassemble the switches. Just spray DeOxit D5 from the back, then actuate the each control 40-50 times. Wait 30 minutes, spray in a bit more, and actuate around 30 times more. The problem should clear up. The controls in question are Speed Select, Quartz Lock, and Pitch...
www.audiokarma.org

on the next page a guy claimed to have fixed it..
Click to expand...
That did the trick. Thanks again.
 
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