Rotel RCD-971 cd won't spin - diyAudio
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Old 25th August 2012, 11:45 PM   #1
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Question Rotel RCD-971 cd won't spin

I think the motor that rotates the cd has malfunctioned. I have a modded Rotel RCD-971 and was installing a 5v positive voltage regulator and cap at the time. And now when I turn the unit on the motor "tries" to spin and focus the lens, but because it cannot spin the display reads 'No disc'. There is some juice flowing through it; it seems to sputter a tiny bit but not enough to keep going.

Perhaps I have shorted something out while doing the install (everything else seems to be fine) or maybe the voltage regulator (I was replacing a JRC 7805A) isn't able to supply the correct amount of power? I'm fairly certain the voltage regulator affects the transport. I double checked the solder joints. It could simply be that the motor is worn out after all these years, in any case, here is a pic of the part I might need.


It comes from a Sony KSL-2130CCM transport, but I'm having a hard time finding a better replacement or the motor I need. Can anyone help me out? I can post more pics or a full schematic, if necessary.
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Old 26th August 2012, 06:39 AM   #2
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It coyld well just be the laser which is gone. Once it can focus the motor should work. But again the whole mechs dont cost much.
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Old 26th August 2012, 08:37 AM   #3
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Appreciate the advice, justubes. Never occurred to me that I should just replace the entire mechanism. Maybe that will also get rid of the noise I was hearing from inside long before it stopped working.

I'm gonna pick one of these up next week.

Original Sony Optical Pickup | KSM-213CCM (KSM213CCM) | Distributed By MCM
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