Check that you have power at the outlet, (by plugging something else in), and check that nothing has chewed the supply lead. After that I would say that the power supply inside the unit has died. Pull it apart and check the voltage(s) with a multimeter but, only if you have some electrical know how and equipment.
Hello Jan, tell us what model is your portable CD player Thomson
I wait your answer
Greetings Franco Dosil
Hola Jan, comenta que modelo es tu portable CD player Thomson
Espero tu respuesta
Saludos Franco Dosil