Okay, so after trying several different trackpads, none worked. I had somehow given up hope that the MacBook would work, but finally I connected the battery and suddenly everything worked again. I didn't have a battery in my Macbook the entire time I was testing it. But if I understand it this way, the system only runs at 100% when all components are installed.

The device are works now...

oh ok wow?! I'll test it after work. The battery has already been removed because it doesn't work. Would it work normally if no trackpad is connected?

Hi

I have now a 820-4924 (with a i7 and 16GB).
I would like to get the device working again for me.

The Problem is the Device comes to me with a "dead" ssd. I tested on a other 820-4924 (i5-8gb) board and the MAC OS Installation stopped working with this SSD.
Well i hope/guess its was a easy peasy Fix - New SSD And its working again.. But No!

I don't know exactly how the procedure should start. But the LCD panel goes dark - then the "chime"(?!) sound comes and only 2 or 3 seconds later the apple comes.

it doesn't...

The repair is done! Successfully.

I Take a Donor Board and use the R Area from this Board.

Now i wanna try to upgrade a 4GB modell to 8 GB ^^.. ( i have to buy now a BGA178 Stencil)


Thank you all!! Peace from Germany!!...

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(I have to check which board i have) Moment please

So it pulsates as soon as it gets power. I don't press any power buttons - the logic board is lying naked on the table. The MagSafe plug first turns green then red. I don't have any fan spin...

Hello community, I have a MacBook Air 820-00165 with an i5 and 8GB Ram. The logic board doesn't want to start. I've taken some measurements but I can't really get any further.

And please excuse me if something is spelled wrong, I have to use a translator.

-------

PPBUS_G3H = 8.6 V (stable)
PP3V42_G3H = 3.44 V (stable)
First Always/SMC signals
SMC_RESET_L = 3.4 V (stable → SMC running)
SMC_PM_G2_EN = pulses between 0 V ↔ 3.3 V
PM_PWRBTN_L = pulses between 0 V ↔ 3.3 V
PM_SLP_S5_L = pulses between 0 V ↔ 0.2 V
...

Hello forum,

I'm still relatively new to the world of electrical repairs.

I have a Macbook here that I can't figure out

When the battery is gone, the USB input consumption goes up to 20 V and 0.06A. But it breaks down after about 2-3 seconds and you can also hear a small ticking on the logic board. But I can't pinpoint it exactly.

I removed the logic board and took a few measurements.

But I can't really figure it out.

At first I thought the infamous CD chip was defective - but then of course you read more on the internet...

Hi Forum ;P

Im New on the World of Electric Repairs and im actually just a noob ^^. I hope i can ged sometimes Help ? And sry for my very Bad english im from Germany. Peace!!!...