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My Kenwood UD301 Hifi, disc player(X-3B) sometimes does not read disc when in. Does this alot. Where can I source spare laser and optics for system?

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4 Suggested Answers

robotek
  • 1512 Answers

SOURCE: Kenwood RXD25 CD player intermitent??

Hi jenoss

Sounds like the unit has either a failing load belt to the cd drawer mechanism,not allowing the transport to fully load the cd. Give the unit a gentle tap just after the drawer closes and see if it resolves the problem.

OR a faulty spindle motor, you will have to take the lid off and after pressing play, give the disc a gentle "kickstart". If it then begins to run, then the motor is the problem.

If you find it is neither of these, get back to me here and I we shall go further

regards
Graeme

Posted on Mar 16, 2008

tech48
  • 624 Answers

SOURCE: Replacement unit for hifi player

I work at a service center in the U.S. and I have a lot of trouble getting any Phillips parts. My service center has given up on Phillips, we have had too many problems with them. Sorry to give you this bad news. You might want to look on ebay for one with a disc loading problem or some other problem not related to the cd player. Sometimes you can find them cheap. The laser would cost you in the range of $50 to $75 US if you can find one.

Good luck,

Dave

Posted on Jul 01, 2008

issy2
  • 460 Answers

SOURCE: Ive got a kenwood hi-fi

what did u mean by cd's jumping... is it physically jumping.. or is it skipping ...?
Mostly it wud be the wear and tear of the rubber inside.. rubber inside in the sense the motor's belt..

Posted on Sep 16, 2008

  • 4234 Answers

SOURCE: i have installed a new

Laser assemblies are shipped with a shorting solder bubble. Did you remove it before installation? If not, then the laser is effectively disabled and won't read anything.

Dan

Posted on Oct 01, 2008

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Ive got a kenwood hi-fi and had it for approximately 15yrs. Its a system where each part is seperate, just recently my cd's have started to jump, ive tried cleaning discs to clean the laser but they do no...


what did u mean by cd's jumping... is it physically jumping.. or is it skipping ...?
Mostly it wud be the wear and tear of the rubber inside.. rubber inside in the sense the motor's belt..

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1 Answer

Aiwa Compact Disc Stereo System Model- NSX-51G


HI,

see if the player tries to read the disc. Load a disc and listen.
Does the player make squealing noises or is it totally quiet? Squealing noises may indicate that the player is trying to synchronize with the disc but can't due to an obstruction on the lens or in the laser path inside the pickup or a defect in the pickup. This can also be caused by an intermittent signal problem due to a faulty ribbon cable.

Totally silent means that the photo sensor is not getting any usable input from the laser at all, meaning that the pickup is "blind" for lack of a better word.
This can be caused by an obstruction of the beam by foreign matter on the lens or inside the pickup all the way to a marginal or failed laser diode and/or photosensor array. This can also be caused by a bad ribbon cable with one or more severed traces.

You could try to clean the optics. This is the most common malfunction as far as i know in all disc players. It would involve taking the cover off and finding a way to expose the lense, and then cleaning it with a very gentle brush. some players have a cover for the lense that swings to the side during playing, this greatly reduces the chance of dust accumulating, but its still worth the try.

If you actually see dust on the lense, then its just that simple. clean, close, play.


It may also be worth your while to check on the small shafting that guides the carriage of the laser pickup. Dirt, grome, dust and solidified lubricant can cause stoppage of the carriage and the laser eye then fails to read the next track. Please refer to the image i have attached.


9978b3d.jpg

Jun 24, 2008 | Audio & Video Receivers

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