techrepair
Member
hey guys ,
another crazy one to share for advise .
problem =PPBUS_G3H is moving between 2.5 volts to 4 volts . i have checked thoroughly for liquid damage but could not find anything may be under smc but no traces of liquid outside any where . i do get green light some times .
i have tried another dc in board
dc voltage is about 16.15 volts
checked the follwing aswell
1. r7021 and 7022 reaing 20.1 ohms
2. r7051 and r7052 reading 2.9 ohms
3. q7085 replaced
and also have replaced u7000
the system works on battery only .
kindly advise.
another crazy one to share for advise .
problem =PPBUS_G3H is moving between 2.5 volts to 4 volts . i have checked thoroughly for liquid damage but could not find anything may be under smc but no traces of liquid outside any where . i do get green light some times .
i have tried another dc in board
dc voltage is about 16.15 volts
checked the follwing aswell
1. r7021 and 7022 reaing 20.1 ohms
2. r7051 and r7052 reading 2.9 ohms
3. q7085 replaced
and also have replaced u7000
the system works on battery only .
kindly advise.