Question about Denon DVD-3910 DVD Player
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Posted on Jan 02, 2017
I have the Denon 2900 (about 4 years of use) and until recently, suffered from the same (growing) problem. CD's were very difficult to start/read. I recently found advice which I tried and was succesful with. It was manually cleaning the laserlens. I took away the outer housing by unscrewing all off the on top (6), side (4) and the back (2) bolts. After that I took out the top plate of the laserunit which took two very little screws taking out. Now you are looking at the cd-tray with the lens. Take a very soft and clean cloth and moisten it a little bit with clean water (be very carefull with the moistening, don't allow any waterdrop to come out of the cloth into the laserlens while cleaning! Carefully clean the lens and dry it with a dry part of the same cloth. Replace the top plate and the outer housing and the player will recognize the discs like it's new again. Good luck! Robert Jan, The Hague the Netherlands
Posted on Jun 25, 2008
There has been a number of reports of similar issues with Denon models that utilizes the 'PureProgressive technology'. Some of the issues and tried corrective measures are -
1. It would appear that in certain occasion, performing a "region free hack" disables the 'PureProgressive technology' and one solution tried is to set the unit to NTSC and not multi or PAL;
2. disable/turn-off digital output;
3. some has reported significant improvement when a firmware upgrade was performed;
4. use DVI instead of of other outputs.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Jul 13, 2008
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