Need help with my phillips prv645 pls!

hi i was using my dvd player yesterday but now it wont turn on i check the plug fuse and the inside fuse that was all ok please can anyone tell me what i may in to change in the power supply unit or if anyone know of any problems with this unit as its not turning on at all.please any helpwill be usefull as i like thie dvd player its been working fine until now.

many thanks in advance :sad: