Recent content by mastak07

0.67 coil (L7030? is this the coil/inductor to measure? sorry im a noob so I've been reading the Rossmanngroup repair guide but I couldn't find anything about coils) gets 4.02 in diode mode

R7020 = 5.7v F7000 & F7001 have continuity diode mode to ground at PPBUS_G3H = 067 No 3V3_G3H

I have what I thought was a clean 820-01700 board not turning on. After close inspection under a microscope I could see there was a tiny amount of crap on F7000 chip. With the power plugged in the board is sitting at 1.33v and not turning on. Could you please tell me where I should go to from...

820-3787

Tryin to boot in safe mode I got this

2014 15” retina MacBook Pro - won’t fully boot into macOS. It’s gets stuck half way not matter the boot source. Running the D hardware test shows no error. Gpu gets hot and booting in safe mode I got the following pic. Is this a failure that can be repaired ? Or maybe something simple like...

Thanks for your help, I ended up creating a new user admin and this solved the issue.

resistors and traces RA294-99 look ok

Ok so I plugged in a USB keyboard and all the keys work. I replaced the trackpad+cable and the keyboard. The MacBook does the same thing. The trackpad works and all the keys on the replacement keyboard work before logging into the macOS. After logging into macOS the trackpad stops working...

Happy New Year guys! I have a 15" MacBook with a trackpad that works when you press option/alt and choose the start up drive however once the Mac is booted into the OS the trackpad is unresponsive. I changed trackpads and cables and no change. A couple of keys are not working as well, I have...

Hi, I swapped the screen out but on this 2011 15" Macbook however the camera is still not detected. I can't see any liquid damage near the connector for the webcam. Could you please advise me on where I should start problem solving this board?

I have an a1398 that has a display issue as pictured , I changed the cable but the issue persists. Is this display toasted or is there a chance there could be an issue with the board?

Q9706 Pin 1 - 0v Pin 2 - 0v Pin 3 - 1v Pin 4 - 11.7v Pin 5 - 0v Pin 6 - 0v Q9707 Pin 1 - 0v, Pin 2 - 3.2v Pin 3 - .7v Pin 4 - 0v Pin 5 - 0v Pin 6 - 0v

Q9706 Pin 3 .98v, Pin 4 11.7v and 0v on 1,2,5,6 Q9707 Pin 2 0.7v, Pin 3 3.24v and 0v on 1,4,5,6.

I'm trying to diagnose a no backlight on a 2012 15" Macbook. When I measure voltage on pin 3 of q9706 the backlight turns on, as soon as I take the multimeter off pin 3 of q9706 the backlight turns off again. Should I replace q9706 ?