Philips Magnavox DVD/VCR Dual Player "read disc error new super" Questions

...read the original corrupted disc but needed another non-corrupted disc of the same type inserted. It fell over with a DVD+RW disc (U88 disc error then U61 restart error) so I discarded the corrupted ...

...read error of no disc. So I tried to "clean" it with a DVD cleaning disc but it still doesn't work. Anyone got any ideas or suggestions? Or is it just dead? i had the same problem with my dvd player ...