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Please help!
Before that I had both Green and Amber MagSafe LED lit, and I have PP3V42_G3H at 1.5v
Now MagSafe not lit, and no PP3V42_G3H at all.
Logic board: 820-00165
Is this a good question?
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You’ll need to test for voltage at the other points of PP3V42_G3H as it sounds like you’ve got a break in one of the traces.
Did this system have a liquid spill at some point?
OK, now I’m lost!! As we were focusing on PP3V42_G3H
Now you’re telling me R7110 which is a resistor and Pin-1 is PPDCIN_G3H_ISOL side which then goes onto U7100 - CHGR_DCIN Pin-2…
Lets back up here and get the symptoms written down as well as what lead up to you getting this system (did it get wet? Was it dropped? …
And what you’ve done so far: Did you replace any components? Did you check the battery? Did you check the MagSafe connections & make sure it’s the correct one for the system (not a fake as well)
Going into the schematics might be needed but you need to have a reason and a method to isolate out failure. Posting pins and values without context is like saying I had to go to work without knowing what you do for work or how you get there. Do you walk do you drive to you take a bus? Hopefully this helps explain what its hard to help someone poking at a schematic without understanding what the fault is.
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i dint dropped it
and no liquid damage
i leaved to charger connected and downloading torrents and left it on table
after i returned its in off and wont power again
Downloading files can be stressful for your system as both the CPU and the drive tend to get hot so either could fail if pushed to long and without enough cooling.
Where are you located? I think you really need to visit someone with more experience and can work with you in person.
We tend not to get into tracing logic issues here on IFIXIT as its hard to see what you can't see directly and have the needed tools and values.
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I cleaned up your question as it was very disjointed.
Hopefully its correct. If not clarify whats wrong here. Creating a second even more disjointed question wont help us help you.
by Dan
i dont have any amber light like you corrected my qestion
its mine no liquid damage
Problem in R7110 pin 1 i am getting 15.7 volts but on pin 2 - 0 volts
by Avinash v
There is No light as i mentioned above
by Avinash v
Yes
But PP3V42_G3H is fine
by Avinash v
Take a look at these YouTube vids:
- Can 1 drop of liquid destroy a Macbook Air?
- Does MacBook Air spontaneously die?
It might offer the insights on whats needed here.
by Dan
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