a50 can't charge
 

it is working but can't charge:D

maybe you can give us a few more informations about your phone

what happened to the phone ?
dropped ?
waterdamage ?
.......
did you open it ?

I opened it,no sign of water damage,i don't know what happened,customer said that maybe water damage,but I can't find any sign,now I try to clean it,I haven't service manual so I don't know what to do

you don´t need a service manual for cleaning :D

does the phone respond when you connect the charger ?

no it doesn't respond,I didn't mean that I need manuals for cleaning,but for repair

that was a joke ;)

try to measure the voltage on the connector and on the battery contacts (pbc)

what connector,explain

I connect charger and battery,nothing happend,same voltage on battery connectors(4.2V),charger is ok,output voltage is 9.7V,what to do,do you have some shematics or you can help...

Change FET-Switch V342

How can I find that switch,I don't have any shematics of main board(pcb) with element placement

Try changing the battery

try substituting switch v342 for a harder-to-wreack switch v3500...

Try a alcoholbath!

guy's I find that some "wire" is broken and I overbridge it,now I get charging but it is working maybe for 5s and then is of