SolderFungus
New member
Hi. This is my first post. I have limited experience with the M series of MacBooks. I consider myself decent at soldering but I lack experience when it comes to more advanced motherboard troubleshooting. I hope I can learn something from all of you! Thank you.
I have a 820-02016 with liquid damage.
Getting 5V at 450mAh after replacing one of the CD3217 chips.
I have a Uni-T UTi120B thermal cam but I am not able to see any hot spots
I found a deviating value on PPVDD_SOC_S1. Broadview PDF tells me this is a .86V line. I do not believe I can inject voltage here and the resistance seems to be to high for that anyways. Please correct me if I'm wrong.
I'm not sure what the next troubleshooting should be. Any Any suggestions would be greatly appreciated.
From repair.wiki on the A2337 :
I have a 820-02016 with liquid damage.
Getting 5V at 450mAh after replacing one of the CD3217 chips.
I have a Uni-T UTi120B thermal cam but I am not able to see any hot spots
I found a deviating value on PPVDD_SOC_S1. Broadview PDF tells me this is a .86V line. I do not believe I can inject voltage here and the resistance seems to be to high for that anyways. Please correct me if I'm wrong.
I'm not sure what the next troubleshooting should be. Any Any suggestions would be greatly appreciated.
From repair.wiki on the A2337 :