Hello,
I have a broken Lenovo V560. Actually, the notebook dont responses to anything, only what event is, the charger is blinking. So that is mean is somewhere a "cut-off" (short curcuit) in power supply part.
Well, i disassembled the notebook and connected a charger, well, two Transistors 4407A is so much hot. I little measuring and i get is there a INPUT voltage, but OUTPUT is nothing. I measured the temperature of 2nd CHIP (Q4), its got a 50Celsius... The first chip (by image) its just 46 Celsius(Q3)...
Well, here in Slovakia i think on all repair shops is says "only motherboard replace". But i think is another way to fix it homemade. Im not a electric newbie so i will maybe take that..
But, my question is, it is trouble only on that transistor or something other? Or, what u will be recommanding to try measure etc.. ?
Thank u
I have a broken Lenovo V560. Actually, the notebook dont responses to anything, only what event is, the charger is blinking. So that is mean is somewhere a "cut-off" (short curcuit) in power supply part.
Well, i disassembled the notebook and connected a charger, well, two Transistors 4407A is so much hot. I little measuring and i get is there a INPUT voltage, but OUTPUT is nothing. I measured the temperature of 2nd CHIP (Q4), its got a 50Celsius... The first chip (by image) its just 46 Celsius(Q3)...
Well, here in Slovakia i think on all repair shops is says "only motherboard replace". But i think is another way to fix it homemade. Im not a electric newbie so i will maybe take that..
But, my question is, it is trouble only on that transistor or something other? Or, what u will be recommanding to try measure etc.. ?
Thank u