Help about av receiver

Thread Starter


Joined Feb 1, 2019
So i got denon avr 1905 it got problem when you power it up it stayes on for 5 seconds and shuts itself off so i found that the regulator 7915 and some components were bad i chaned them and now it stayes on but when i connect the audio input board the unit again shuts itself off i looked at the board and everithing is smd with big proccesor on it and i don't have skills to repair the board
So does anyone knows what the problem may be and how can i fix it