manumathew.017
Member
I have resoldered all the three IC's properly,,,,, Now different behavior, PPVCC_S0_CPU_REG is 0V. The fan is running, Board is not booting.
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A1398 late 2013 random shutdown with black screen
- Thread starter manumathew.017
- Start date
Something got affected by heat I suppose; maybe CPU...
manumathew.017
Member
You mean the CPU gone bad?
Should I check any other signals to make sure the CPU functionality?
Will it make sense cleaning me region?
Should I check any other signals to make sure the CPU functionality?
Will it make sense cleaning me region?
Something happened when changed the chips.
Possibly overheat affecting CPU, maybe knocked off components...
Possibly overheat affecting CPU, maybe knocked off components...
manumathew.017
Member
A1398 - Google Drive
drive.google.com
I cannot diagnose the solders in pictures.
Something went wrong in the replacement process, I suppose.
Something went wrong in the replacement process, I suppose.
manumathew.017
Member
The fan is slowly starting and then running at full speed, But still 0V at PPVCC_S0_CPU_REG. Should I close it or Is there something I can try?
Did you get more FDMF6708?
Changing them is an idea.
Changing them is an idea.
manumathew.017
Member
Changing them doesn't help 