Search results

I just tried a new io board and cable an I'm still get no green light at the magsafe FML. Any suggestions? I'm About to throw the towel on this board :(

Hello everyone I got a macbook a1502 820-4924 were the fan spins after 1-2mim of connecting the magsafe and t it doesn't show a image. I checked the voltage on ppvout_s0_lckbklt and I'm getting 0v on it. I tried a good working LCD and I'm still getting no image. The diode and fuse seem to be...

its not stolen Duke :( i bought it from a auction. I was just confused why it didnt show me the efi lock before allowing me to reinstall the os. Thanks for your input

Hello guys i was reinstalling the OS on a Macbook A1534 EMC2991 via internet recovery. After waiting some time, the computer started flashing a folder symbol. Now every time i try to boot into recovery it shows me a EFI lock. Any idea why im getting this lock now? If the computer had a lock it...

I just ordered a new one. Ill report back once I get it. Thanks!

damn it!! I just ordered new one thinking it will address the issue but it didnt. Us there anyway to test this i/o boards?

So i decided to take a step back and concentrate on the NO green light with the magsafe connected. Btw, I'm using a 85w magsafe. Here are my measurements. Im clearly missing SYS_ONEWIRE thats why I dont have green light. Could this be my LIO connector? This thing is driving me nuts lool...

hey duke, i have inspected the connector for the flat cable and there isn't any corrosion on the pp3v42 pin. I have inspected the isl area and its clean. I only see some water residue on 3210. When this board first came it had green light but no power. Any idea what i should be chasing? Thanks!

I got a water damage a1465 820-0016 that never turns on. It gets stuck lon the charging logo (low battery) when you connect the battery and magsafe. When I connect the massage without the battery; the machine turns on and shows a x on battery symbol. In both scenarios I don't get a green light...

After troubleshooting the backlight circuit with the schematics. the issue was due to corroded led connector on the screen. i replaced it and now the backlight works properly. You can close this one. thanks!

Anyone knows the adapter socket i need to read a micron N25Q064A BIOS chip? It comes from a macbook A1502 mid 2014. I got a TL866A but i cant determine which socket i need. Thanks!

They seem to be in range r1800 290KOhms r18010.70 MOhms r1802 19.94 KOhms r1803 19.94 KOhms

im suppose to be getting 3v. It looks like the pch creates this line. so does that mean this board is garbage? lool

No Title c1802/03 1v there is some corrosion near the smc. I have attached a pic Should i try to inject 5v into PP5V_s3 to see if i can get the fan to spin? I remember having a similar post

I did more testing and im missing PM_SLP_S4_L

Hello, I have a water damage 820-3115 that doesn't turn on. Most of the corrosion occurred on J6955 (BIL) and U3280 (t29 15v boost regulator). When I was checking the power rails I noticed that the S3 rails are missing. I also noticed that this line beeps to ground when I connect the magsafe. Is...

I got a macbook A1534 2015 that came in with water damage. It turns on completely but the image is very fainted. It looks like there is no backlight. I cant find any schematics for this model. Anyone knows where the backlight circuitry is on this board? or what i should be checking? Thanks!

I have returned the macbook to the customer. Thanks for your input dukes!

will i be able to get pp3v42 without the tps51980? im thinking of removing that chip and focusing on the pp3v42 and then take it from there. Thanks!!!

Hello everyone i got a macbook air a1370 820-3024 that came in with a dim green light and no power. During visual inspection i found that it was missing TPS51980. I replaced this chip and i still not getting the fan to spin. Could the isl be causing this issue? I checked my voltages and I'm...