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H, everyone. I've received it to repair as liquid damaged. Dead board and after some work and jump wires on R5620 pins 3 and 4 to it's test points and cleaning, it now turns on. Bad liquid on LCD connector and no display. EDP_INT_AUX_N shorted. Fixed by replacing the U9850 MUX converter. It now...

Hello everyone. I need help, please. Got this Mac in to repair, and it's stuck on chime sound, sound is cycling, video link showing the issue. It gets backlight, but no display. BIOS flashed with another Clean ME firmware and still the same. PPBUS_G3H = 13.3V PP3V3_G3H = 3.41V PP3V0_G3H = 3.0V...

The short was coming from a cap on the same line, PP3V3_S2 . After a 2nd full inspection under microscope, I found this crack on the cap, Replaced and it turned on. The problem was that the cap was causing the Wi-Fi module to shine under the thermal camera. After all, I had to replace the Touch...

Checked all LDOs lines on all chips and diode values are OK. After start to remove the Black glue around the U3100, I found corrosion on R3108 side 1. R3108 replaced. All works amazingly fine. Thanks 2informaticos

Hi everyone. Need help here, please. Liquid damaged around U3200/U3200 and UB300. PP3V3_G3H shorted – CB300 faulty and replaced. I have already checked all rails on page 120 and 121 for shorts and all rails are fine. 2 Caps replaced as it was bad corroded. C3108 - PP3V3_UPC_XA_LDO C3100 -...

The charger I'M using is an original 96W. All the coils are good in diode mode, including SSD. Do you think that there is any chance that U7800 - CALPE-PMU is faulty?

Not pulsing. PPBUS_G3H - 12.30V 3V3_G3H_RTC - 3.38V

https://youtube.com/shorts/J0ouUxz3cgY?feature=share On this video, you can see T2 chip pulsing. I don't know if it was pulsing before, but I just realized now that these lines are pulsing every 2 sec. PP1V8_SLPS2R → Pulsing PP1V8_AWAKE → Pulsing PP1V1_SLPS2R → Pulsing PP0V8_SLPS2R → Pulsing...

I just tried DFU revive with another good battery and same results.

Yes, battery is charging. Ok I will try DFU with a good working battery tomorrow.

Ok. It may sound stupid or I'm being stupid, but I was measuring short to ground in Ohms by setting my multimeter to OHMS and black probe to ground and red probe on the L9580 - P2V5_SW1_TPS62180_SSD0. Before it was showing 4.7ohms. Now it keeps increasing till reach 20.2K. In diode mode L9580...

Hi guys. I need help, please. Need data on this. Trying to fix this MacBook Pro (16-inch, 2019), but no success. Customer stated that before it dies was boot looping and sometimes stuck on Apple logo. With battery, it draws 20V and 2.5A. Without 20V 0.07A. Trackpad clicking, no display. On Apple...

Thanks for your help

OK. So, do you think this is beyond repair?

PP5V_S4 missing SMC replaced and same results.

Reflowed with Amtech flux, U.S cleaning board and still same

RTC_RESET_L - 3.32V PCH_SRTCRST_L - 3.32V PCH_INTRUDER_L - 2.46V PCH_INTVRMEN - 2.79V

PM_BATLOW_L - 3.33V PM_DSW_PWRGD - 3.40V PCH_DSWVRMEN - 2.72V SMC_ADAPTER_EN - 3.37V PCH_CLK32K_RTCX1 - 0.36V PCH_SRTCRST_L - 3.32V PPVOUT_S0_PCH_DCPRTC -0V Diode mode 0.148 PPVRTC_G3H - 3.33V RTC_RESET_L - 3.32V

Checking RAM and CPU voltage because I'm still leaning which lines come first. So, I rather give all information beforehand. PP3V3_S5 - 3.34V Using 60W original MagSafe 2 charger

Hi everyone. This MacBook had liquid damage about 10 months ago. I've replaced a few components and done U.S cleaning and it is back to life. So, now it is back to me with no power: TrackPad clicking and a loud fan. After opening, I found a blown UC710 (SN621371) that I only found the...