For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Hello,
I have that board where the data is important that is boot looping and I haven't tried DFU revive/restore yet.
Screen comes on, no Apple logo, and will turn off after around 10 seconds and does that in a loop.
When the board turns off, the SSD_PMU_RESET_L goes low.
PPBUS is stable at...
Hello,
I've got this board that stopped working after, that's what the customer has reported, the trackpad stopped clicking.
Board looks pristine, no liquid damage that I can spot.
I was getting 20V 0.01A with battery plugged in.
Without battery, I am now getting 5V with 0.1A current drawn...
Hello,
I have that 14" M1 board that was previously liquid damaged and repaired.
As I've received it, PP3V8_AON is at 1.5V fluctuating up to 1.7V and PPBUS_AON is at 12.25V.
I am getting a .16V drop to ground on the PP3V8_AON line and when injecting voltage, the amperage drawn is minimal...
Hello,
This is a board issue. I've tested with board another good working screen, same symptoms.
Client's screen works with test MB.
Works with external display as a secondary monitor.
Here are some measurements:
edp_panel_1v8_en = 1.8V
pp3v3_sw_lcd = 3.3V
pp5v_sw_lcd = 5V
bl_pwr_en = 0V...
Hello,
I've got that 820-01949 that has liquid damage on both side of the board, close to the air intake.
Customer live on an island and the humidity is always a concern here, in conjonction with dust.
Damages on one side are:
- R3208
- R3209
- C3102
- C3512
Damages on the other side are...
Hi,
I have that MacBook Air M2 that will randomly restarts giving a pink screen at first.
The crash log reports the following message: SOCD report detected: (iBoot panic).
That's it.
When running the diagnostic tool, it gives the error about the camera NDC001
When booted up, the camera will...
Hi,
I have that board 820-01700 that is not charging.
Laptop is turning on with charger plugged in.
It will also work on battery but will not charge the battery.
I am getting 20V with 0A drawn when battery is plugged in on all 4 ports.
However I got it to charge for a few seconds and then it...
Hello,
I have ordered a replacement board on ebay for an iMac 27" 2019 and got apparently an Apple replacement board with no SN.
I went to flash the original serial using the blank board serializer and all that worked fine.
However once I started updating the OS I was prompted by a firmware...
I have that machine which looks clean.
Trackpad works but keyboard doesn't.
I've inspected the internals and trackpad as well as cables connectors look fine.
A few spots on the cable where tiny stones or debris have left marks so thinking it's worth trying swapping that cable first but I don't...
I have that machine that came in, dead, with the trackpad clicking.
Customer mentioned that the machine switched off while being used.
Upon visual inspection, nothing appeared out of ordinary.
Plugged the board alone to USB-C and both ports would cycle at 5V, from 0.14A to 0.3A then charger...
Hi,
I have that board that was previously worked on.
Customer told me the laptop did shut off while working, battery was charged or at least partially charged.
When I got the board, the amp meter was showing nothing.
Upon inspection the USB-C area was reworked as well as the as the U7000 area...
Hello,
I have this board which my personal board used for test and I screw it up while testing a display not fully assembled in the case.
I saw a spark near the CD3217 if I recall well and that was it.
Now I can tell I have the 5V and 3.3V lines to power the screen and also, when the screen is...
Hi,
I have a customer that came in with an iMac that is restarting in a loop.
The iMac was previously repaired by another shop and I can see the Bios has been reworked somehow.
The customer has reported that the loop happened after he tried to install an SSD in place of the HDD.
Since then the...
820-00281 Not charging, 5V 0.02A on charger only (battery unplugged), 20V 0A with battery plugged, shows sign of battery flat.
Should be a simple problem to fix but...
Each USB-C port shows 5V with 0.02-3A consumption. No port power cycles.
When checking rails around the USB-C chip, I'm getting...
Hi,
I have that 16" 2019 board which won't turn on.
It's stuck at 5V 0.3A on any of the 4 ports.
I am the 2nd tech working on that board.
Visual signs:
board is clean, no liquid damage that I can see.
CD3217 have been reworked (reflowed or replaced) by the previous tech.
With battery...
Hi,
I've got that MacBook Pro 16" that came dead.
Wouldn't wake up from sleep.
After first inspection, board would not start, was getting 20V but stuck at .04A floating.
Tried reviving/restoring but got Error 6.
After further inspection, I did find some signs of liquid on one edge of the...
Hi,
I have an 820-01041 that is really playing with my nerves.
It was liquid damaged on the edge where the air intakes are.
Initially I was getting 5V only. The 1.1V LDO line was not coming on.
It had a shorted capacitor on the SSD rail. Replaced it and a few others that looked nasty and got it...
Hi,
I got that board for data recovery.
Customer went to Apple after he cracked his screen.
MacBook was working prior to going to Apple as he said he could use it on an external screen + internal screen was lighting up.
Apple did diagnose that both screen and mainboard were dead.
Anyhow, Apple...
Hi,
I have a 16" MacBook Pro that negotiate 20V and amperage rises up to 1A then back to 0A and does that in a loop.
I have tried that motherboard in a different enclosure, known good, and it does exactly the same thing.
So I believe it's confirmed to be a board issue.
Board is corrosion free...
Hello,
I have that board that had a prior repair attempt.
I don't have any history from the customer on it.
The only thing that I saw was the board have been reflowed in the USB-C area. There was also 2 missing diodes of the keyboard I2C lines but I have put these back already.
Other than that...