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Hi, I'm working on a MBA 2015 A1466. The Board looks very clean, no signs of liquid damage. The MacBook turns on, I was able to install MacOS (even if it took about 4h), but it is running very low. I already did clean ME BIOS, replaced trackpad flex and tried another SSD, but without success...

Hi there, currently I'm working on a MBP A1989. It was my testing-device for repairs and ironically it just stopped working :-D When I got it, 2 years ago, the logicboard was slightly bent on the top left corner (corner of the Touch-ID) but it worked well for two years. Now it stucks at 5V. Im...

Hi, i'm currently working on a MBA2017 820-00165. Here some Voltages of the rails: PPBUS_G3H: 8.6V PPVRTC_G3H: 3V PP3V42_G3H: 3.4V PP3V3_S5: 3.3V PP5V_S5: 5V PP3V3_SUS: 3.3V PM_DSW_PWRGD: 3.3V SMC_DELAYED_PWRGD: 0V PM_SLP_S5_L: 0V All rails are pulsing twice when i connect the magsafe...

Hi, i got a MABP 15" 2014 that came with some mechanical damage... looked like somebody scratched over the board and ripping out components to prevent it from beeing repaired. The ripped off components were: R1412, R1440, R1996, R1995, R1178, L7360, L8760, L8710, L3095, Q3080. Some scratches are...

Hey, i'm working on a Macbook Pro mid 2014 15" that came with no audio. Located a partial short on PP4V5_AUDIO_ANALOG, caused by U6201. After replacing U6201 I got sound again with speakers but when i connect headphones to the audio jack i just get some deep "clicking noises" but no sound at...

Hi, i got a A1534 (820-00244) that came with no backlight. When I opened it i saw that it was opened before and the lcd connector on the board was ripped off and backlight fuse was replaced. So Replaced the lcd connector then i got an image but no backlight. After some measurements around U8401...

Good evening, i have a problem with a 17" MBP from 2009 (810-2610). WIFI is missing on this board (macOS shows "No hardware installed"). Everything else (camera, etc.) works fine. PP5V_WLAN is present and the connector seems good. I already tried a known good wifi-card.

Hi, I got an M1 Macbook (820-02020) with some strange behaviour. It suffered from liduid damage around UF400, Touchpad connector, LP9000 and CP870. I removed shorted Cap CL053 and replaced UF400. Behavior if DC only plugged: Taking 5.23V, 0.12A (somtimes jumps up to 0.6A for a second)...

Hi there, after some time of inactivity i'm back :) I got some problem with an MBP 2017 4TBT here. It doesn't show any signs of liquid damage but was obvisously opened before. First step was checking amp and voltage with ampeter but there the charger does not even turn the ampmeter on - on...

Hi there, got a MBA A2179 (820-01958) with unknown history but looking clean so far. The Macbook turns on but fan speen increases up to max and it is incredibly slow. Additionally the battery is not correctly recognized (Warning symbol on battery symbol) or charging or running from battery...

Hi there ? I got a problem with an A1989 (2018) throwing various errors when trying to install any macOS than High Sierra. When I try to install it with app store I get an error message "application is damaged". If I try it with my install flash stick I get the error message like on the picture...

Hi, I'm working on a MBP 820-01598 with pulsing rails. All rails up to PMU_ONOFF_L seem to pulse. PMU_ON_OFF_L itself is stable at 3.3V. PPBUS_G3H is cycling from 12.6V to 12.3V. PP3V3_S5 and following rails are steady 0V. Resistances on big coils seem to be good. No signs of lliquid on the...

Hi there, I'm struggeling with an MBP 2012 15" (820-3332). It was running with typical screen blsckout issues so I resoldered U8900 with leaded solder but without success. So I wanted to replace U8900. While removing it, it slipped out the tweezers and landed straight on the components around...

Hi there, got a 820-01598 - did get it with some corrosion around U6903 (see picture) and at the Touch ID. After restoring it with Apple Configurator 2 it stucks (after the internet recovery screen) at this state. Already tried to restore it again - same result. Tried another touch ID, but still...

Hi there, i'm very new with the newer USB-C MLBs and got a water damaged 820-01041 here that stucks at 5V 0.4A. It had some corrosion around U3200. I replaced some corroded components like Q3200, F3001, C3509, C3505, CC753 and CB212. The board took 4.8V and 0.6 A on 3 of 4 USB-C ports and 5V...

Hi there, I got a 820-00165 with a liquid damage around U7600. I'm in S0 State but ALL_SYS_PWGD is missing because of low PP1V05_S0. Already replaced U7600 and C/R/Q7630. Resistance to ground on PP1V05_S0 seems good (320 Omh). Here are the voltages of U7600: Pin 06 :1.8V Pin 12: 5.1V Pin 16...

Hi there, currently I'm struggeling with a MBP 2015 15" (820-00138). It had some corrosion in the are arround the LVDS connector (on both sides of the MLB). Now the USB port is not working and there is no internal display. Works fine with external display so far. PP5VR3V3_SW_LCD goes high for...

Hey, Im struggling with another 820-00850 Board. The MBP ia very slow. I received it with formatted SSD and I can't even install MacOS. It stucks on status "Less than one minute..." with progress Bar at ~25% I already tested the Board in a Known working case - without luck. I recognized that...

Hello, currently I'm working on a water damaged 820-00850. There was corrosion on and around U7100 with a broken pad No 25. After trying to restore the pad i scratched too much and opened the underlying layer (GND). PP7103 is not shorted to ground but pin 25 of U7100 is now... Any ideas how the...

Hey :-) I got a 820-4924 turning on, CPU_VCORE is present but I don't get any USB activity or POST. PPBUS_G3H: 12.6V SYS_PWROK_R: present CPU_VR_READY: present PLT_RESET_L: present CPU_VCCST_PWRGD: present PM_PCH_PWROK: present PM_PCH_SYS_PWROK: present already tried reflashing SPI-Chip with...