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hi guys, im having some issue with this 820-3437 board,condition should be as below : plug in charger,green light, PPBUS_G3H fine at 8.56v PP5V_S5 at pin 1 C7505 is fine at 5.02v but PP3V3_S5 to wake the machine at pin 5 U8180 is missing. what created the pp3v3_s5? i check at PP3V3_S5_REG_R...

Merry Christmas to all i have a unit of 820-00165-A,magsafe light is on,ppbus_g3h usually get 3.++v only,but sometimes after plug in the charger for long time or try to plug out and plug in charger for several times,can get 8.54v here the measurement that i get when the PPBUS_G3H is 8.54v...

had a 820-3476-A board,status as below Machine has no water damage history machine was fully functioning (our own board actually),used to test on another machine. One junior came,take the board,put into one machine which has history of water damage,can't turn on but all corroded part replaced /...

do have a 820-3437 board,plug in charger 1. charger LED indicator orange,fan spin 2 second and stop. 2. PPBUS_G3H at F7700 pin 1 = 8.57v 3. PPBUS_S5_HS_COMPUTING_ISNS at R5450 pin 1 = 8.57v 4. PP3V3_S5 at U3560 pin 5 = 3.325v 5. PP15V_TBT at D3095 pin 2 = 0.00v 6. PPBUS_S5_HS_OTHER_ISNS at...

i have a 820-3476-A logic board,condition as title. PPBUS_G3H at R7005 pin 1 = 1.663v resistance mode PPBUS_G3H at R7005 pin 1 to L7310 pin 1 = 45.0ohm slowly increasing PPBUS_G3H at R7005 pin 1 to GND = 4.3ohm any idea?

i have a unit of 820-4924-A Logic board,condition is water damage,repaired somewhere else before,some chip burnt (seeing by physical) which i replaced,U5000 has been touched by someone before (not sure if it still working),i did reball it already,also U7100 cause the charger fuse to spoil,which...