Yes, the manual for your DVD player is in the house somewhere. No, you cannot find it. Luckily,
www.appliance411.com has links to about 30 manufacturers' sites with on-line versions of appliance manuals.
You can also find links to 17 sites that explain how things like microwave ovens and dryers work, as well as 61 tips that may help you avoid calling for a repairman.