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This arrived with no liquid damage. Power cycles every few seconds. Board looks pristine. Checked all coils and do not see any shorts.
When magsafe or usb-c is plugged in they both turn on for two seconds then off then on. All voltages appear as well.
What should be checked next?
This arrived with fans spinning fast and slowness. Replaced Q5852-Q5854 but no change. What should be checked next and which program is recommended to find which sensor is at fault. Trackpad works as fine
Arrived with a burnt CD3217 and usbc amp meter going on and off every few seconds. Second port stays on at 5v
Replaced bad CD3217 from a donar M1 board but same issue. What should be checked next?
Arrived with liquid damage and severe damage to J9600. Data is important.
Diode mode reading on pin 4 J9600 is 0L and donar board is 0.432. Repaired all other traces on J9600
Is data still saveable if U8600 is replaced from donar board?
This arrived with liquid damage around U3100/U3200 area.
Replaced U3100/U3200 from same donar board but no change. Amp meter is 5v 0.70amps
PPBUS_G3H 12.30V
All PMU and LDO voltages are present and it is not in DFU mode.
What should be checked next??
No liquid damage and board looks pristine. No audio even though sound can be adjusted from keyboard and under sound output MacBook Pro Speakers are listed as built in.
When playing a YouTube video the timer for the video progresses along with the captions but the video itself remains frozen...
Arrived with no liquid damage with PPBUS_G3H shorted. U1100 was shorted. Replaced U1100, PPBUS_G3H was no longer shorted and had boot current over 2 amps for a few seconds before C8010 burned and smoked. Replaced but now board is at 20v 0 amp draw. PPBUS_G3H was shorted again from shorted u7900...
This has no liquid damage but has a issue of shutting down randomly. The error message the OS has a issue and needs to be reinstalled comes up.
While trying to backup data from target disk mode it will randoml;y shut down. When holding power button to try and turn it back on the mag safe light...
This board came in with liquid damage all around the cd3215. Replaced components but in the middle of replacing cd3215 some minor pad damage happened on board see picture. Every time cd3215 is soldered amp meter cycles from balls bridging.
What is the best way to fix this? Does uv mask work if...
This has no liquid damage, looks pristine, and randomly died on the client. Magsafe 3 and usb-c turn on for a few seconds and then goes back off and back on. All voltages appear during these few seconds including PP1V8_S1_CLVR_VDDH.
Does this sound repairable and is there a boardview available...
Arrived with no power from a shorted cap on PPBUS_G3H. Board looks pristine
Removed and replaced however after logging into the OS for a few seconds it will restart and say "your computer restarted because of a problem with your computer" most speciaifically as soon as all the icons are...
This board has a strange issue to where it's stuck always saying service recommended for the battery. Tried a known good battery that shows normal from another unit but still same problem on this board. Battery otherwise charges and works no problem.
Tried reinstall osx and pram reset. Is there...
This arrived with liquid damage in the U3200 area. I have replaced U3200 and check all traces/resistors in the area. Everything measures good.
There seems to be a issue with PP3V3_G3H at C3200. Diode mode measures 0.581 on C3200 however measures normally at C3100 at 0.340. Amp Meter does not...
This arrived with fast fan spin and unable to load the O.S. Data already backed up before the issue started.
Q3200 was shorted and getting excessively hot. Removed Q3200 but since it was welded to the board from the short replacing it is not possible.
Fans spin fast within couple minutes of...
This has no liquid damage. When plug in a/c adapter fan spins but no usb activity and cpu stays cold. Vcore is 1.8v
Tried known good bios with clean me.
Bad CPU?
Arrived with liquid damage around UB300.
After replacing UB300 board powers on and boots now however there is a issue with the keyboard. Whatever key is pressed the board will act as if you are continuously pressing it down.
Tried known good top case and cables but no change. What should be...
No liquid damage. Both ports are 5v 0.18a drops to 0.02amps then loops over. At times unplugging and plugging back in 20v will appear for a few seconds. PPBUS_G3H starts at 12.30v then 12V before looping.
Only getting 5v at PPDCIN_AON_CHGR so replaced U5200 after checking...
Arrived with U3200 burned along with blown r200/203. After replacing and changing U3200 from a donar board no change, only 5v.
Noticed short present on PP5V_G3S. U7210 was shorted. PP5V_G3S short gone after replacing but still only 5V on charger.
PPBUS_G3H is 12.33V.
Using 96 watt original...
This arrived with very little liquid damage. After removing C6501-C6503 and C6405 board started to boot with 20v for a few seconds but boot looped and then was stuck at 5v.
Reviving T2 in DFU solved the 5v issue. The machine now turns on and boots into the OS. The issue is when you go to...