CD 204 stopped working

This CD 204 is Bought 2e hand on “Marktplaats” , work for 1 week and then stopped, Can i help.?

8.8.   8.8.

First look , There has been done some resoldering

PCB power supply , some capacitors have been changed

CDM 1 , capacitors have been replaced

Display board , Stocko connector is missing lock , some capacitors have been changed

oeps , missed a IC-pin

Open close circuit board touches these two capacitors ;-(,

Removed all unknown brands of capacitors and the Power Supply rebuild, some CDM-1 Adjustments and it  is playing fine again..