Recent content by drmacbookth

1. What too to use to reprogram SOC ROM U2010? 2. How to force DFU by jumper method? Thanks for any tips!

I found the issue, some liquid near cPU on SDA lines, pulled a wire and working thanks!

Battery sign shows X and fans spinning high. Apple HWT result says "might be something wrong with charger" but I do have an orange light and shows charge sign before login to user account. Looks like no data communication is happening, do these have SMC chip or does the battery talk to the T2...

OK thanks for that will check.

So after doing the process again its installing, then ir reboots, chimes, Apple logo, black, apple logo again and in the Configurator shows a lock, I noticed caps lock was on, so i connected it to an external display, and what do you know, it is in recovery menu. So it seems the display has some...

I notices it had a defect pin on one of the charge ports due to corrosion, also tiny little splash visible on the battery so I guess it had some liquid. Board is totall ]y clean. I retried DFU again with a proper Type-C connector and yes both battery and charger connected. the sequence i didnt...

I got a Macbook 2020 that came in not booting. Chimes, shows Apple logo then crashes. Also the utility menu crashes, so tried a DFU restore which generates an error. Got 20V, all seems OK, chimes, Apple logo, then black. Time to try another T2 chip or what you guys suggest? SSD seems OK, no...

Hi Guys I have a 14 inch Macbook pro with liquid damage around UP800. I have replaced this IC. This is the only area where I saw liquid. The mac has 12.28v and also 3.8V on PP3V8_AON. Tried to get it in DFU mode but that did not work. Area around the Type-C charge chips looks clean. I have no...

It is the right fan. So in the meantime i tried another display assembly (webcam) to no avail. Will check again for broken traces. Are around Q6050 looks clean and all resistor seem OK too.

Hi Guys I have an 820-01700 Core i9 with a high fan spin. I have tried to change the fan but still the same. Checked all lines going to the fan no shorts there. Any other component that can cause this? The Mac works fine, temp reading and all are good and its fast, just fan running max speed and...

Hi guys, I have a 820-01949 that came in with wine damage. Customer said the webcam stopped working. Keyboard was also completely sticky as well as power button, also some wine spilled around T2 chip area. Mac was still turned on. Explained to the customer we had to clean it, and there is a...

Spot on. R7012 was off, replaced it and working board:).

We use original Apple chargers that work with other macs (we only use for testing). Will check and post back tomorrow with values.

Hi Guys, I have a 820-00164 that can runs off the battery, but no charge and not running of AC, no orange light. No shorts on PPBUS, 3.42v and DC-IN lines. No power on PPBUS or 3.42. D7012 is present, tried another U7100, Q7130 and Q7180 with no result. All resistors around U7100 measure OK...

no fault history and board looks new. I dont get any pulse on EN