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Denon dcd 620 cd player. Not used for a while... turned on, pressed 'open/close'' and it doesn't. Took lid off and checked movement of laser - ok. Pressing ''o/c'' button with lid off produces very slight movement and nothing else. I read somewhere that it could be a belt fault?? - seems mechanical to me....
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Check the front of the unit ,most have a small hole, using a paperclip as a probe on the gear with a to and fro movement you will be able to work the draw open.
A Laser Lens malfunction will cause this to happen and is a common problem. This can be fixed at home if a new Laser Lens or Laser Lens w/ transport can be found for your unit. I used ebay to purchase a new Laser Lens for my Denon DVD 5900. The part is also sometimes available from parts stores like Parts Express for a premium, $100+ Parts Express vs $17 ebay in my case. I would recommend purchasing a FACTORY SERVICE MANUAL from an online vendor. The manual will cost between $10 - $20 and is downloadable. The installation is very straight forward. The part that might not be clear would be the grounding shorts on the new Laser Lens. THE NEW LENS COMES SHORTED AND AFTER THE PART IS INSTALLED IN THE PLAYER THE GROUND SHORTS MUST BE UNSOLDERD FOR IT TO WORK CORECTLY. The part comes this way to protect the Laser from static shock damage.
The repair on a Denon DVD 5900 cost $30 and took about an hour to complete.
It sounds like the open switch inside the door is dirty & cannot make a connection when the CD door opens. Clean the switch & it should function properly. Otherwise, replace that switch.
it's most likely the belt that drives the cd tray has perished over time and certainly if you tilt the player to help it, that's just gravity giving it a push. replace the belt and all should be ok. hope this helps?
Off the power, and plug off the switch, and try opening it manually. DO NOT force open it. I don't think it would close back since it has no electricity already.
This has to do with a mini switch inside the door mechanism that it pushes once but with the bounce phainomenon in electric pulses it thinks that you pushed the cd door inside manualy and it tries to close the door. Try replacing this mini switch. this will solve your problem.
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