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silvershot
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Post subject: Re: [CLD-D704] Lubricating the Upper Clamp Posted: 24 Mar 2021, 22:44 |
Shows curiousity |
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Joined: 03 Jul 2020, 02:23 Posts: 19 Location: United States Has thanked: 0 time Been thanked: 4 times
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Yes, it's just the sound, no grip issues. In the meantime, I found the below thread which describes my exact problem. There's even a youtube video linked, https://youtu.be/Pa_9gU6wWm4 - and my player makes the exact same sound. Based on that thread, it seems like it's the spindle bearing and not the upper clamp. What's the best way (and product) to lube these? [CLD-79] Squealing NoiseEDIT: when I say sound, I am referring to mechanical noise, not audio from the disc.
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krbahr
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Post subject: Re: [CLD-D704] Lubricating the Upper Clamp Posted: 24 Mar 2021, 23:17 |
Hardcore fan |
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Joined: 10 May 2007, 03:12 Posts: 1520 Location: United States Has thanked: 0 time Been thanked: 337 times
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ldfan wrote: I clamper shouldn’t need any lubrication from the perspective of when the disc begins spinning. Once the magnet locks down the disc, it is completely disengaged from the clamper housing to spin freely.
Like signofzeta and cplusplus said, the only lubrication would be the release mechanism not working properly like when a CD is stuck to it during eject. Starting with the 503 and 703 Pioneer depends on the top brace to press down to secure the clamp of the disc. The older players have the strong magnet to clamp the disc. On the newer players There is actually a little button on the top brace that a ball bearing on the top of the upper clamp turns on. If the button has a bump wore in it it may need replacing. BTW; you don’t see all the slipping on the older magnet design even though it used the same type of rubber mat as the newer players.
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cplusplus
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Post subject: Re: [CLD-D704] Lubricating the Upper Clamp Posted: 24 Mar 2021, 23:52 |
Hardcore fan |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 448 times Been thanked: 588 times
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krbahr wrote: BTW; you don’t see all the slipping on the older magnet design even though it used the same type of rubber mat as the newer players. Very true!
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ldfan
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Post subject: Re: [CLD-D704] Lubricating the Upper Clamp Posted: 25 Mar 2021, 00:00 |
Hardcore fan |
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Joined: 28 Jun 2014, 05:59 Posts: 1459 Location: San Francisco, CA USA Has thanked: 425 times Been thanked: 533 times
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krbahr wrote: Starting with the 503 and 703 Pioneer depends on the top brace to press down to secure the clamp of the disc. The older players have the strong magnet to clamp the disc. On the newer players There is actually a little button on the top brace that a ball bearing on the top of the upper clamp turns on. If the button has a bump wore in it it may need replacing.
Thanks for the education. I did not know that. I guess I should be happy the majority of my players were made before the 503/703 models.
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signofzeta
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Post subject: Re: [CLD-D704] Lubricating the Upper Clamp Posted: 25 Mar 2021, 01:05 |
Jedi Knight |
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Joined: 14 Jan 2010, 09:44 Posts: 5988 Location: Ann Arbor Has thanked: 1292 times Been thanked: 1106 times
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silvershot wrote: Yes, it's just the sound, no grip issues. In the meantime, I found the below thread which describes my exact problem. There's even a youtube video linked, https://youtu.be/Pa_9gU6wWm4 - and my player makes the exact same sound. Based on that thread, it seems like it's the spindle bearing and not the upper clamp. What's the best way (and product) to lube these? [CLD-79] Squealing NoiseEDIT: when I say sound, I am referring to mechanical noise, not audio from the disc. There is no way to lube the spindle bearing. You need a new motor if it’s bad.
_________________ All about LD care, inner sleeves, shrink wrap, etc.
https://youtu.be/b3O-vHpHRpM
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silvershot
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Post subject: Re: [CLD-D704] Lubricating the Upper Clamp Posted: 25 Mar 2021, 21:09 |
Shows curiousity |
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Joined: 03 Jul 2020, 02:23 Posts: 19 Location: United States Has thanked: 0 time Been thanked: 4 times
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signofzeta wrote: silvershot wrote: Yes, it's just the sound, no grip issues. In the meantime, I found the below thread which describes my exact problem. There's even a youtube video linked, https://youtu.be/Pa_9gU6wWm4 - and my player makes the exact same sound. Based on that thread, it seems like it's the spindle bearing and not the upper clamp. What's the best way (and product) to lube these? [CLD-79] Squealing NoiseEDIT: when I say sound, I am referring to mechanical noise, not audio from the disc. There is no way to lube the spindle bearing. You need a new motor if it’s bad. Oh man - from what I've read in other threads, that is not an easy replacement.
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