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Sorry for confusion. When battery is connected the Machine works but doesn't charge. With charger only i get this: MG port voltage 16.6V unplugged plugged - starts fluctuating between 2 and 12V PPBUS_G3H - 0.25V

Hi, Corrosion around U7600 pin 12 line broken. Fixed. TP(1)LPCPLUS_RESET_L broken by corrosion. - fixed by running a jumper from R2081 to pin 19 J6100 but something tells me that was not neccessary. PPBUS_G3H - 8.6V PP3V42_G3H - 3.40V PP3V3_S5 - 3.3V U7600 pin 2 - 0.3 pin 8 - 0.12...

MG port voltage 16.6V plugged in starts fluctuating between 2 and 12V PPBUS_G3H - 0.25V Please advice how to proceed. Thanks!

3V3_SUS - 0V SYSCLK_CLK32K_RTC - 0.38V RTC_RESET_L - totally corroded pulled a wire from C1803 to R1803 and voila, its alive again! Thanks for you help man. You helped me fix 2 motherboards today +100 to your karma!

1 pin corroded inside MLB connector. Replaced. Working. Thanks for your help!

Mouse keeps working.

Hi, Corrosion around R1801, R1802, R1803, C1802. Replaced them and fixed broken lines between them but still doesnt turn on. PPBUS_G3H 12.6V PP3V42_G3H 3.48V PP3V3_S5 3.3V P3V3S5_ENTRIP 0.71V PP3V3_S5 is 140 diode mode. Does that mean I have short to ground? Thanks!

PPBUS_G3H stays the same - 8.6V Sorry how do I test if the board starts disconnecting LIO flex?

Hi, Water damaged board. Turns on but MagSafe light fades away completely in 20 seconds. Only corrosion that I found is on TP(1)PP3V42_G3H_BOOST. Testing point is completely gone. PP3V42_G3H 3.42B PP3V42_G3H 166 Ohms Please advice how to proceed. Thanks!

Thanks for your reply. I have never tried to read or write BIOS chip on mac. So will need to do some research first. Which tool do you recommend for iMac? Thanks!

Hi there, iMac 2015 5k goes on standby during work then wakes up again in a minute or so after smashing keyboard in panic. Tried: NVRAM RESET Clean OS New PSU Dancing with tambourine around it - no luck. Any ideas? Thanks!

New DCIN board was not good. Thanks guys. I feel silly :D

Hi, Pin on magsafe board look burnt because of shitty Chinese charger. PP3V42_G3H - 3.45v pin 19 U7000 - 5V pin 2 - 16.5V pin 3 - 3.8V R7005 - 20 Ohms Please advise how to proceed. Sometimes I get Green or Orange light on Magsafe that will die out within 5 seconds. Thanks!

So should always try to swap the board with the calibration chip first? If that doesnt work send it to data recovery center for opening up the the disks. Will try next time.

Thanks for the info guys!

Hi everybody, I have a strange case with 820-00045-A MacBook. No water damage. No drop damage. Just out of blue. 2 out of 10 works normally, boots to OS and stable flight for hours. 5 out of 10 doesn't want to turn on at all. 3 out of 10 tries to boot but gets stuck with this glitch on the...

Hi guys, Sometimes we get requests for HDD data recovery. I know that opening HDD and messing with heads is a whole different level of repair and is not for ordinary repair shop. However, in some cases it might be be a question of swapping pcb with calibration chip, which I can certainly do...

Hello everyone, Green light on MagSafe, No Fan spin. No signs of water damage on the board. LCD cable burned. Short to ground on Pin 4 of LCD connector J9000 Deep crater caused by an explosion near pin 2 of F9700. Please advice how to proceed. Thanks!

Yes agree about changing things without feedback but this bastard has been running Heaven all weekend and has not yet failed. Feels bad to give it back without a repair but what else can I do?

Hi everybody, Can you please help solve this repair. Customer informed that his iMac randomly switches off and takes a while to switch it back on. Sometimes can work for a week straight without experiencing the problem. When it shut off it needs a few hours without power to come back to life...