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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: ""there is some intermittent noise during playback"" if it has tubes.. The noise is from a tube, not the laser posted by akolegov on December 24, 2016 at 15:54:39:
Another possible problem is the small part the CD lays on as it spins may have 'dropped' enough to make it difficult for the laser to read all discs. Often this is caused by trying out a CD dampening disc on top of a CD. Or accidentally inserting two CDs, or the CD is inserted crooked, so it jams.
It only takes ONE TIME to push down the spindle gizmo enough to cause slight problems.Take a disc you have a problem with, and place packing tape, or any sort of tape which you can later remove.. And place it so it raises the disc a tiny bit.
Many CDs have a raised circle (some do not) a inch of so away from the center. Place the tape or paper so it is only inside the raised area. (but so it also has the hole in the center left open.
Then the experimental CD will lay slightly higher.
If now it reads fine... Then the CD carrier may have fallen down the spindle a little.
MOST CD laser motor spindles have only a friction fit for the CD holder height.I have moved some up slightly to make a player work better.
The part the CD rests on needs only perhaps the thickness of two sheets of paper higher.. IF that is the problem.
I found it can be pried upward with any old screwdriver, if one is careful.
Or you can place a permanent 'lift' over the motor CD contact area.
Again, only the thickness of a piece of writing paper or two should do it.
Edits: 12/24/16
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Follow Ups
- OK. Then another thing you can try (experiment) - 3+4=5 19:33:22 12/24/16 (0)
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