Question about Audio Players & Recorders
My CD changer mechanism assembly doesn't work, it hums but doesn't open, I have no repair shops around where I live, so it is either replace unit or try to fix myself. yet with no parts how do you fix something that is broken, bewildered I am.
Most of these CD drawers are driven by a small belt that's either broken or come off. All you need do is find the belt, measure the diameter in MM and then put "??MM drive belt" into Google. You don't have to be precise with the measurement. So if it's a 45MM a 40 or 50MM will do.
Posted on Feb 23, 2013
If you are still having the same problem with your denon UD-M50 I might be able to help. I have fixed a number of them in the past and have the necessary maintenance manual and knowledge of a company that can supply spare parts. Disassembly looks very complex, especially when the problem is with the carousel but once you have an understanding of the mechanism it's not that difficult. Care should be taken when manually removing and reloading the disc trays as damage can result to the 'Teeth' alongside each. Spare trays are available. All my repairs involved the removal of the carousel mechanism in order to align the trays. I can copy the relevant sections of the manual dealing with the re-alignment which is critical but again if followed exactly you should have no trouble. If you respond with an Email address, I will be only too pleased to forward you the schematics etc.
Posted on Dec 15, 2007
Mine was doing the same thing so I unplugged it and took the left side panel off to see what was wrong with it. I did this by removing the 2 screws on the left and the 3 on the back left side also.There was a cd stuck in it. It took some fenangling but I got it out and it works fine now. I know, I know. We as lay people are not supposed to do these things but it was out of warranty and would have cost me as much to have it repaired as to buy a new one. Good luck!
Posted on Dec 26, 2007
SOURCE: broken cd player
The motor is last thing to gone before you go to service check the rubber belt which connect the motor to the door gears.Your set is 20 years old and this should be the problem and easy to fix
Posted on Feb 19, 2008
Make sure the unit is on. Press the FM Mode /Mute -Demo button (right next to the power) press it untill you get to either mono or auto (-for stereo). That will take the unit out of the demo mode. next turn the music jog dial (located just above the preset buttons) untill you get to which ever setting you choose. Hope that helps. ( I can't find the manual on line either- not even from JVC! )
Posted on Jun 10, 2009
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