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hello
i have 820-02899 with problem 5V and have spikes 0.160A 1 sec and stop
on slot 1 have logo pd fix on aixun tester power and second no but same 5V 0.112A
for test i have replace UF400 and UF500 same
i have flash 2sec with thermal camera on UC840
PP3V8AON/PH1/PH2/PH3 have 3.8V
PPBUS_AON...
hello
please i have help for machine a1989
i have 19V / 0A left and write usb-c in 1st port
on 2nd port have 5V 0.27A
for test i want reflash soc rom but don't have file
you can send link ? or other way?
hello,
client have change battery, machine works during 2 month and now no power
i have check no water damage
PPBUS_G3H have only 3.5V
I have remove F7040/41 and same, 3.5V on pin 1 and 1.12V on pin 2
Replace U7000 for check and same
PP3V42_G3H is present
i have green light on charger
Hello, I have a problem with a MacBook Pro A2779 820-02841-A when it starts up the apple logo is displayed and as soon as the session starts the screen goes black.
I've tried a reinstallation, a DFU, unplugged keyboard, trackpad, battery, angle sensor, but nothing changes, no trace of oxidation...
hello
i have mainboard 820-00850 with 1x CD3215C00Z defect after test with sofix machine
i have replace but actually it's 5V and i have 0.020A and 1x pulse to 0.370A and restart 0.020A
PPBUS_G3H : 12.3V
PP3V3_G3H : 3.3V
in diode mode, L9080/81 are low : 0.08V, i have pulse 1sec 0.45 but after...
hello
i have 820-02016 mainboard
battery is not detect, think info battery have problem
no short on pin 1/2/3/4/5 on J5150
when i put new battery compatible or original not charging and 0% but when i remove usb-c cable machine stay lit
if i remember i need make jump between 2 pins
hello
please i have problem for restore in dfu in this machine
need for test before replace nand, the file for U1970 if you can get
i don't have found on badcaps forum
Hello, after oxydation of the trackpad and the keyboard control board, we replaced these two parts.
Everything works except that the F1/F2/F3 keys, etc., don't correspond to the actions offered (volume control, brightness, etc.).
We replaced the keyboard, the same thing, and did a DFU restore...
hello
i have replace screen for this model. After machine start in recovery and i have message need updating but impossible
normally it's touch bar, i have replace with 3 touchbar and new original flex cable and same
i have test fpc connector and see line DFR_TOUCH_INT_L to gnd
on schematic i...
i have machine start but stuck on apple logo
- Drive and ssd remove
- Programming new bios cleanME
Each start stuck on logo apple and no command work, only reset pram
hello
i have buy 2x mainboard new (never open) model 820-02188-A
When i start i have toothed wheel and after blue screen
i have put in duf and start recovery
after i have apple logo but an error when i restore it i have error message and never work
have original box 639-11151 and mainboard...
hello
i have mainboard 820-02841 without wireless logo
we have test restore os same
we have restore in dfu same
sometimes i have logo but when we click no responding
no short on line PP3V8_AON_WLBT / PP1V8_S2
hello,
i have mainboard 820-01987 with no image no start
i have check and no liquid damage, machine enter in DFU mode correctly. I have restore and same
I have 20V and 0.6A without battery
With thermal cam, see U8500 very hot. I have remove and check pins. On pin 1 and 3 i have short. I inject...
hello
i have mainboard 820-020210 with this problem
Wifi not detect in system but in recovery working and no work randomly
but i have see too in information don't see the serial number
you have idea?
hello,
Motherboard stuck to 5V and 0.020A
i have push to 0.09A maximum
PPVBUS USBC1 5v
PPBUS_AON 12.14V
PP3V8AON_PH1/PH2/PH3 all 3.747V
ON L5230, the voltage varies between 0.6V and 1.4V but never stable
I have mainboard stay on 5V and 0.020A
no liquid damage, machine works normally and 1 day nothing
PP3V3_AON = 3.3V
PP3V8_AON = 3.8V
PP5V_S2 = 0v
F5200 = 12.2v