Denon DVD-3000 DVD Player "repair texas" Questions

...repair when it just said "cannot play this disk" for everything. Cost me $135 and took about 10 weeks to get it back from Texas. Now I'm ready to scrap it, but I want to retrieve my 350 or so DVDs ...

...repair from Michigan to Texas!. I found this site and codes,got confused since nothing was inside and tried to turn it on again after checking for any residual tape fragments or disk fragments and ...