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sgtdave
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Post subject: Re: Squealing Noise CLD-79 Posted: 05 Jan 2020, 01:25 |
Genuinely interested |
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Joined: 28 Mar 2018, 14:20 Posts: 44 Location: Texas, United States Has thanked: 3 times Been thanked: 5 times
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I appreciate the quick response. Is there any known work instruction to perform a motor replacement? I'm willing to track one down and replace it if I can find a procedure for the task. krbahr wrote: This is usually the spindle motor, VXM1053.
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sgtdave
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Post subject: Re: Squealing Noise CLD-79 Posted: 07 Jan 2020, 16:14 |
Genuinely interested |
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Joined: 28 Mar 2018, 14:20 Posts: 44 Location: Texas, United States Has thanked: 3 times Been thanked: 5 times
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krbahr wrote: Yes, same mechanism as the 703. The issue it that the replacement motor will be the bare motor without the power wires or disc clamp. You'll have to remove those from your motor and find an appropriate glue of adhesive to hold the clamping part at the correct height on the new motor. What is the layman's success rate on this task? I'm willing to try it, but if there's a good chance I'm going to brick this unit after spending $100+ on a new motor, am I better off putting that money towards a replacement player?
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blam1
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Post subject: Re: Squealing Noise CLD-79 Posted: 07 Jan 2020, 21:23 |
Advanced fan |
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Joined: 21 Dec 2002, 18:44 Posts: 959 Has thanked: 0 time Been thanked: 122 times
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sgtdave wrote: krbahr wrote: Yes, same mechanism as the 703. The issue it that the replacement motor will be the bare motor without the power wires or disc clamp. You'll have to remove those from your motor and find an appropriate glue of adhesive to hold the clamping part at the correct height on the new motor. What is the layman's success rate on this task? I'm willing to try it, but if there's a good chance I'm going to brick this unit after spending $100+ on a new motor, am I better off putting that money towards a replacement player? Krbahr is correct on getting a brand new motor from Pioneer. However at this point, you're probably going to find motors pulled from a player which (in theory) should already have the wiring and turntable set. In my experience with the D703, D704 and 07G, I've never had to change the motor, only the turntable grip ring. It's also worth mentioning that it could be the upper clamp assembly too. I've seen the upper bearing dry out and squeal like a stuck pig. Does pushing slightly on the center of the clamp assembly (while playing) change the noise in any way?
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cplusplus
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Post subject: Re: Squealing Noise CLD-79 Posted: 08 Jan 2020, 01:36 |
Hardcore fan |
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Joined: 13 Aug 2018, 03:18 Posts: 1512 Has thanked: 443 times Been thanked: 584 times
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blam1 wrote: It's also worth mentioning that it could be the upper clamp assembly too. I've seen the upper bearing dry out and squeal like a stuck pig. I've had this happen before as well. Quite loud and annoying. I just added a dot of white lithium grease to each ball and it resolved it quite well.
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sgtdave
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Post subject: Re: Squealing Noise CLD-79 Posted: 08 Jan 2020, 02:36 |
Genuinely interested |
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Joined: 28 Mar 2018, 14:20 Posts: 44 Location: Texas, United States Has thanked: 3 times Been thanked: 5 times
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Excellent idea. I am have a little difficulty determining if it actually gets better when I press down on the upper clamp, or if I'm imagining it (I blame my tinnitus). However, it makes sense sense the picture is not noticably affected. Since it is the lowest hanging fruit, I will pick up some lithium grease and report back. Thanks everyone. cplusplus wrote: blam1 wrote: It's also worth mentioning that it could be the upper clamp assembly too. I've seen the upper bearing dry out and squeal like a stuck pig. I've had this happen before as well. Quite loud and annoying. I just added a dot of white lithium grease to each ball and it resolved it quite well.
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sgtdave
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Post subject: Re: Squealing Noise CLD-79 Posted: 08 Jan 2020, 05:12 |
Genuinely interested |
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Joined: 28 Mar 2018, 14:20 Posts: 44 Location: Texas, United States Has thanked: 3 times Been thanked: 5 times
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Well, I greased the upper clamp bearings. Initially, it actually got worse. I recorded the noise here: https://youtu.be/Pa_9gU6wWm4 . Keep in mind, this is after the grip pad was replaced and the upper clamp ball bearings were greased. However, after playing a disc for about 10 minutes, the sound went away. After switching to side B, the squealing began again for about 30 seconds before quieting down again. I guess it's the waiting game now. If it comes back regularly, the improvement could have been a temporary fluke, and I may have to replace the motor after all. If it continues to improve, then the bearing grease just needed worked in better. Am I on the right track?
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sgtdave
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Post subject: Re: [CLD-79] Squealing Noise Posted: 02 Jul 2020, 15:23 |
Genuinely interested |
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Joined: 28 Mar 2018, 14:20 Posts: 44 Location: Texas, United States Has thanked: 3 times Been thanked: 5 times
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I bought it, but I chickened out when it came time to install it. I was searching for some kind of documentation or instructions to replace it when I got distracted by work. I hope I can find something to help guide me through the process when I have more time. Concerning the seller: if you contact him via eBay, he will post whatever you need upon request (if he has it). That's what I did. I just messaged him with the model number, and he posted one the next day. I will say the box from Korea came pretty banged up, and the motor just had a thin sheet of bubble wrap taped to it. However, on the surface, it appears undamaged. If you end up getting one and installing it, please record the process. Godspeed. nealgrof wrote: Did you ever receive that motor and swap it out? I was eyeing another motor from that same seller, but it just sold.
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