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hello got this a1707 no sign of corrossion i have spining fan no chime
ppbus_g3h is 12.6v
i notice that when i use to put the charger to u3100 designated usbport the q3100 is getting very hot.
i tried replace u3100/q3100 still the same.
but when i use another ports im having the same amp...
i have this macbook customer say cant on.
when i reconnect the battery and tried to charge can on.
but when i shutdown with battery alone cant on.
u can turn on only when the charger is conected. sometimes after boots shutdown itself. sometimes cant turn on totally
tried put the mainboard to...
customer say lastime can power on fan was spinning so fast until the macbook dies.
no sign of corrosion sometimes have green light most of the time dont have light on magsafe
only can turn on when reconnect the battery. once u shutdown cant turn on again the charging indicator turns green
and then orange once u press power button. tried change battery still same
board is clean no sign of corossion
run diagnostics no issues found.
820-02020 a2338 coffee damage
after i clean the affected areas i manage to turn on this macbook i just having problems on battery that cant charge
even i change new battery. i just notice i didnt get voltage on PPVBAT_AON with diode to ground 1.542
but i have voltage on PPVBAT_AON_CHGR_R and...
hello i recieved this macbook with wifi ic burnt after i removed the wifi ic still cant on and cpu is getting hot.
fan on's for 50 seconds but no display and no usb activity no chime.
820-00239 A1706 20v 2.20amp no power
hello i have this model with no visible watermarks
the board cpu is overheating got 20v 2.20amp looping to 1.37amp no fan spin
i didnt see any shorted caps
i have voltages:
hello i have a1708 no power water damage around areas u8400 u7650 f4800 j6100
all big coils has no short circuit except L8060 and L7900 their diode to ground is 0.0090
PPBUS_G3H .004v 0.396
PP3V3_G3H_UPC_XA | PP3V3_G3H_UPC_XB 2.2v
PP3V3_UPC_XA_LDO | PP3V3_UPC_XB_LDO 3.3v...
hello i have a1466 no power no fan spin
got orange light
found abit corroded on RP2701
i just remove this then i clean the pads but still
tried smc bypass no but no fan spin.
PPBUS_G3H is 12.56
u7400 also corroded
voltage and diode to ground...
hi i have a1278 before i open the macbook was can on and can charge.
the main problem is when turning on after few seconds
can see the apple logo then suddenly shutdowns then
on automatically then shutdowns again, sometimes u need to turn on again.
found small corroded parts r5481 and r5482...
hello i have a1502 when i recieved q7310 is over heating so i decided to replace it (no more overheating Q7310)
but still cant on i have orange light no fan spin. PPBUS_G3H 12.6V pin 1 2
and i just notice F4800 0.0V with 0.0000 diode to ground.
ALL_SYS_PWRGD is missing.
a1466 no power green orange light present no fan spin
tried smc bypass fan is on very high no display (my 1stime tried smc bypass)
8.41v pin 1 2 @F7040 PPBUS_G3H
3 = 3.2V
13 = 5.1V
14 = 5.1 V
L7550 0.006v diode to...
hello i have a2159 apple logo (bootloop)
itried dfu mode but cant detect by configurator2
got 20v usb meter.
btw board is clean no sign of corossion.
recieved this macbook a1425 with no visible corrosion
no green/orange light. no fan spin
PPBUS_G3H| L7030 0.149 1.0V
sometimes orange light shows but nothing changes on the voltage
(changed q7080 twice)
pin: diode to ground | voltage
1 0.656 0.0v
2 0.601 16.4v
3 0.540 3.9v...
hello i have here a1708 camera not working
action taken: change tophalf 2 times same problem. i test again another tophalf came from working unit still the same.
i test the original tophalf from another board camera is working so i can confirm this is from motherboard problem so,
i did some...
hello i have a1466 there is no sign of water damage
i found the c7261 is burnt (PPBUS_S5_HS_COMPUTING_ISNS) after i removed this capacitor the value is 0.171 4.0v-5.0v looping
still no chime no fan spin still cant on.
i also diode test L7310 and L7320 0.011 with 0.0v
so is it cpu spoil...