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Why is JVC MX-S20 Stereo displaying "no disc" whenever I insert a perfectly readable cd?

It started by doing that only occasionally with burned CDs and it became systematic with any kind of CD to the point that it has not been able to play CDs at all in years.

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: mx-d402t jvc cd player - trays will not open

Just got one of these at the dump. Two problems quickly jumped out at me:

1. As mentioned above, the CD trays stuttered and clattered but would not open.
2. Volume control is unable to be reduced from the highest level (50).

CD tray table was an easy fix.

After removing the 8 cover screws (6 on the back and 2 on the sides) and the 6 tray mounting screws (two through the back and one in each corner) I unplugged the only electrical connector - it is a simple push in pull out type. Note the way it plugs in before pulling out - it doesn't matter which end which you unplug. I set the entire changing assembly aside (outside the tower) on a speaker - just for height because the cable is fairly short. Then hooked the electrical strip back up and turned the power on to the main unit. After setting the controls to CD and pushing the eject button for tray #1 it only took a gentle nudge of the linkage to allow the entire stack to free up. Cycled through the trays several times and each slip in and out as designed.

The next step is not for the faint of heart. Since something (in this case just some cat hair and normal 10 years of dust) was causing the trays to stick it was decided that the entire unit should be thoroughly cleaned. With most electronic devices as long as there is no power on the component it is perfectly okay to wash the entire unit with hot (really hot) water from your kitchen sink. A soft tooth brush and some liquid detergent help the process. After a good long wash and rinse, gently shake as much excess water from the piece and find a supply of warm flowing air. Set the component in front of the air supply and allow it to dry for a looong looong time. 3-4 hours is good.

Hook it back up, cycle the trays and observe the function, paying special attention to where the moving parts make contact. Then shut it down (or not depending on your confidence in your hands) and apply some WD-40 to a q-tip. Using the swab apply a small (the key word is small - you do not want oil based liquids to get anywhere near the CD reading LED) amount of lubricant to the previously observed bearing points. This procedure is best accomplished as the linkages are moving throughout their entire stroke but be careful to not catch the swab in the moving parts.

Now (while I wait for my C changer to dry out), I will trouble shoot the volume problem. If it is something that can be fixed, I will update this post. Please don't assume that just because something has some years on it that one should "expect" it to fail. Oftentimes it just needssome TLC.

Posted on Nov 24, 2008

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  • 78 Answers

SOURCE: CD WONT PLAY

It sounds like it is attempting to read the t.o.c. (table of contents) which tell the unit where everything is on the cd,and failing to do so, then ejecting, the first thing to do is try cleaning the lens and if there is no change then replace the laser pickup

Posted on Nov 21, 2007

  • 319 Answers

SOURCE: cd player will not read disc

Unit probably has defective disk motor or function sensor

Posted on May 08, 2008

  • 1 Answer

SOURCE: Unable to play MP3 CDs on JVC KD-G140

I had this same problem and realized after reading the manual that this model does not play mp3's. They use the same manual for the g140 and the g240 (the model which plays mp3s).

Posted on Jul 09, 2008

rscheutz
  • 54 Answers

SOURCE: RCA RP-9515 stereo, CD player won't play

RD probably stands for "Reading Disc" and ND probably stands for "No Disc". If the CD player doesn't recognize any discs, then either the laser is dead or the motor has died. MOst likely you will have to replace the unit.

Posted on Mar 22, 2009

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The problem is in the laser pickup assembly, overtime the laser becomes weak until it will no longer read the disc, it is far cheaper to replace the stereo than have the old unit repaired.

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Hello beeswing70,

The player is recognizing that a CD has been inserted but is not able to read it.

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Hope this helps.

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Dan

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Have it first cleaned by a cd disc cleaner or if you are familiar with cleaning the lens manually im sure that will work...or try inserting an original cd's,if it works with that find the solution to the settings of your device...

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