Search results

here: https://drive.google.com/file/d/1h1_uhpTDzhn2xA_rdEjnwJAXB9vCzz9U/view?usp=sharing i've read the chip for 3 times, checksum doesn't match

i know, i was thinking using it then make it clean ME region ohh i do have original rom but i dont trust it, the chip dont work on the logic board. the minipro can read it alright most of the time. give me a sec.

can you use this rom from a donor board or different one? https://drive.google.com/file/d/15f-...ew?usp=sharing

file is ok now for some reason. i've used the ROM but Fsys need patching otherwise will say system serial number unavailable in ASD. however the serial works fine in OSX i've no idea how to patch Fsys :( also sensor tests are missing.

hi 2informaticos the file is corrupted. can you reupload please. thank you

original u6100 chip was damaged by corrosion, trace to pin 8 (pp3v3_sus) was missing. i fixed with a jumper. i was not able to use the original chip, i then used another u6100 from a donor board and booted fine. can someone make me a clean ME with serial number and Fsys? C02JWW4QDTY3 cheers

you need to unplug the internal lcd cable if you want to use external. thats a good sign if you get light on the usb

probably PP3V3_SW_LCD is missing. check L9000 and trace to the LCD connector.

the light is next to the battery connector. it's very tiny.

whats the voltage and amp is shown on the meter? you have to start measuring...

do you have a USB-C meter, it's easier to diagnose the board when you have one?

logic board number? have you try unplug the battery, keyboard flex cable and other cables then plug the charger to see if get light? genuine apple 85w charger? any history? can you list all the power rails?

https://drive.google.com/file/d/1ENhq5La9sZ5BWTo0vqaNzAcTOdWWaQAg/view the link is from Duke.

anything on external display? any light activity on USB Mouse?

I've never use AHT. To be honest, I always rely on ASD OS, EFI AND MRI and forgot about the AHT. try MRI because sometimes ASD doesn't pick up everything.

diode mode measurement on J4802 pin35 and pin37? volage on PPVIN_S4_TPAD_FUSE ? voltage on PP5V_S4_TPAD_F voltage on PP3v3_S4?

correct polarity?

sorry, PP1V2_S3 is there. my mistake. i'll try ultrasonic.

Does it power up when you use short the “smc_onoff_L” + “ground” on the logicboard? have you try another trackpad? have you inspect the J4800 trackpad connector?

should i replace U7210 to see if that will fix it?