Question about Technics Audio Players & Recorders

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Cd player keeps saysing no disc

I have a sl-ch510, ive tried a lens cleaner and it still says no disc

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  • Technics Master
  • 1,258 Answers

There are other reasons that the player may not detect a disc. One of them is the platter height of the spindle motor- they go out of position sometimes as they are pressed on plastic. It may need to be set back to the standard. You can also have a bad spindle motor that can not spin up or has a dead spot on the motor. Many possibilities.

Posted on Dec 11, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 133 Answers

SOURCE: MY CD PALYER DOES NOT WORK. ''DISC NOT FINALIZED'' IS DISPLAYED.

If your CD player has been working for many hours and cleaning the lens didn't help, then the next thing to do is changing the spindle motor (the one that spins the disc), since the brushes and the commutator get dirty/oxydized with many hours of performance.

The motor can also be cleaned, but it's kinda complicated and delicate to do it, so you might want to change it instead.

The same holds for the slide motor (the motor that changes the position of the laser pickup).

To clean the motor you need to desolder/remove it and open it up (you need to bend out the clamped parts on the motor housing to release the cover - also, mark the position of the cover so you can put it back in place in the same position as it was prior to opening it - some motors have an indentation so that the cover fits in place in only one position).

Then you need to remove the cover (this is a delicate procedure as you can easily damage the brushes).

You can clean the brushes and the commutator using a long pointed scalpel - gently scrub away the brownish/black residues on both the brushes and the commutator.

Now you need to put the motor back together, taking care not to damage the brushes when you put the cover back in place (kinda tricky but it can be done).

After closing it, see if it runs smoothly, you may want to try and run it on some 3 volts - it must run quite silently, with no more than a gentle humming sound.

If it runs ok, you should use a tiny flat screwdriver and a small hammer to bend the housing edge back onto the cover to fix it in place (basically, you need to rehammer back in the clamps that held the cover in place, this is also a bit tricky and delicate thing to do).

Now reinstall/resolder the motor back in place (motors on some brands/models can be worked without removing them).

Well, i've just told you how i repaired quite some CD drives which were virtually dead, i'm actually still using a yamaha which is more than 15 years old (i myself have been using it for at least 10 years now), i got it as a scrap piece, it returned to life after the above described procedure and it actually works perfectly up to date.

Anyway, i guess the easy way is to simply replace the motors (they need to have the same axis dimensions and mount holes as the original ones, also they need to run on the same voltage - things to keep in mind when you are looking for new motors).

Hope you can get it working...

good luck

3rq8 (Triarcuate)

Posted on Jul 24, 2009

HOEEEE
  • 7 Answers

SOURCE: Technics SL-HD350 Cd Player - Sound problems

This maybe due to overheating of some Sort.
Try taking it out of where it is where theres a good flow of air.
Then try running a cd.
Try Putting in a Cleaning cd, this maybe a fault with the laser.

Regards

Posted on Jan 05, 2008

  • 1 Answer

SOURCE: malfunctioning cd player

Did you try taking out that lttle circle thing that you put your cd into.Well,take that out and then clean it.Then,insert it back and it should play your cd

Posted on Dec 15, 2007

petraman7
  • 1175 Answers

SOURCE: cd player skipping

The DVD transport rides on chrome rails. These get dust and stuff on them and wont allow the optics to track.

If you dare, open the unit UNPLUGGED from the AC.
See if you can get at those rails easily. clean with WD40 on a swab. clean with a new swab . then a couple drops of mystery oil on a swab and run down the rails over and under.
You must be VERY gentle if you clean the lens with isopropyl

Posted on Feb 24, 2008

jomabug76
  • 1148 Answers

SOURCE: Technics SL-PG440 CD player no audio output

GET NEW RCA JACKS

Posted on May 15, 2009

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1 Answer

We cannot use this because the CD's all skip. We found out that there aren't replacements to buy, we tried at Best Buy. we really miss being able to play CD's. Can you help.


Hello,

how long have you been using this player? The problem should be from the lens (laser).

The lens is weak and that's why it cannot read/load Cd's. The weak lens is also what's making it skip.

Get a lens cleaner and use it to clean the lens, but if the lens still does the same thing even after using the lens cleaner, then it means you would have to change the whole lens completely to a brand new one.

By so doing your player would play all Cd's with no problem at all.

Take care.

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Welcome to Fixya

Lens might be dirty that is why it is giving the unit hard time to read the disc. Try to use a cd cleaner first to clean the lens.

Thank you for using Fixya!

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Try cleaning the lens with a cd/dvd lens cleaner disc. Another thing of note....some cd players simply will not recognize homemade cds, or dics that are not audio discs, or if they were made on a computer.

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If thhis happens quite often , and does not depend on the media, then it is usually a dirty lens problem. The lens is dirty or scratched and sometimes cannot read CD TOC (table of content).

If this happens only on reocrded CDs , try changing the media used. For example if you used +R, try with -R.

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TRY NEW RCA JACKS AND TRY BLOWING IT OUT,,GET YOU A LASER LENS CLEANER

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Lg rh177


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A cd cleaner or a good (gently dosed) blow with compressed air might help.

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