Pioneer PL-400

the final frontier
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babcoccl
United States of America
Posts: 1
Joined: 17 Sep 2019 01:08

Pioneer PL-400

Post by babcoccl » 23 Sep 2019 02:18

So I recently acquired a PL-400 from a garage sale. I stripped the whole thing down, took apart the drive, deoxit everything, etc. etc.

I've put it back together and adjusted the speed pots on the bottom of the table and have achieved what I think is the right speed. I don't know this for sure though because the strobe mirror is a constant red blur of the dots on the stroboscope as they pass (no defined individual dots). I'm guessing that the timing of the light on the stroboscope is either stuck on or off time. Anyone have any ideas or any places I should start debugging the board? Playback sounds fine though. Thanks.

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