Symphonic WF802 "dvd stops playing halfway" Questions

...just stops playing My Sony RDR-VX530 VCR/DVD player/recorder stops playing movie DVDs about halfway through. What could be causing this? Thanks. play a lens cleaner cd in it,,, it will work ...

stopped working halfway through playing a disc .absolutely dead now no display if the unit is absolutley dead, nothing no go what so ever, my advice is check out the power supply.

playing a DVD and when I cam to eject the disc the disc was not there, as it had came ot of the tray and got stuck in the player, I managed to get the disc out but now the tray willnot close more than

DVD player to PSCan (i think- so my boyfriend tells me; screen is black & white and halfway scrolling on the screen). the manual tells me to simply go back to the Setup screen and choose Interlace (or

...stops and unit goes into recover mode making disc unusable, small padlock is locked and can't be unlocked( Disc will still play in unit but not finalise) this has happened alot on DVD-R discs I was ...

...DVD button 1st, etc. Nothing works. The player itself still seems to work as the buttons along the front of the device do what they're supposed to. Any ideas? If none, is there any replacement ...