Question about JVC MX-D402T Shelf System
CD trays will not open on mx-d402t JVC. Not certain if the discs are jammed inside. It sounds as though it is getting ready to open. It also shows as though it were playing; yet no sound. However, sound comes through the speakers when playing the radio. I checked and it indicates the trays are unlocked. I noticed that there is a letter A with an arrow pointed to the right; do not recall if it was like this before. Also cirular arrows above it showing symbol for tape player. I unplugged it to see if it would go back to its original defaults; yet, it remained the same. Any suggestions.
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
Its close to 8 years old what do you expect i have one and its trays failed a long time ago
Posted on Sep 16, 2008
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