Hello everyone need some help please
purchase macbook pro m1 a2338 m1 from ebay for spare and repairs, board is clean no water damage , plug my amp meter in 5v , sorry didnt noticed amps, okey from a past i know i need to check PPBUS_AON put my multimeter in beep beep mode , SHORT, plug the charging cable and start looking from a thermal camera what is heating , i find out couple hot spots , and one of them was on a capacitor c81d3 ppbus_aon_mpmu_isns_in , check true microscope and i can see a cracked capacitor , took it out replaced with a good one, thinking it will work because short is gone , 5v 0.100a
short gone but no boot,
start reading repair wiki , start checking L5800, L5820, or L5840 all have 3.8v
on a f5200 i am getting 12.30v something not right
PP3v3_S2 LC710 iam getting 3.3v
PP1v25_S2 c5320 getting 1.2v
but P5VS2_EN is missing 0v
and i get lost i checked in dfu mode another macbook finds out straight away , motherboard be out power just a cable to a top usb port goes in dfu, when motherboard put in a ,macbook and connect to top port usb type c as well goes in dfu, when i try revive it fails no error , when i tried to revive again with older macbook it fail and comes with error 4014,
one more thing i noticed i am getting u0500 26c on thermal camera which is enough to see on it
but i checked pp1v25_awake_io pp1v8_awake i am getting them no short too
can someone advice please
purchase macbook pro m1 a2338 m1 from ebay for spare and repairs, board is clean no water damage , plug my amp meter in 5v , sorry didnt noticed amps, okey from a past i know i need to check PPBUS_AON put my multimeter in beep beep mode , SHORT, plug the charging cable and start looking from a thermal camera what is heating , i find out couple hot spots , and one of them was on a capacitor c81d3 ppbus_aon_mpmu_isns_in , check true microscope and i can see a cracked capacitor , took it out replaced with a good one, thinking it will work because short is gone , 5v 0.100a
short gone but no boot,
start reading repair wiki , start checking L5800, L5820, or L5840 all have 3.8v
on a f5200 i am getting 12.30v something not right
PP3v3_S2 LC710 iam getting 3.3v
PP1v25_S2 c5320 getting 1.2v
but P5VS2_EN is missing 0v
and i get lost i checked in dfu mode another macbook finds out straight away , motherboard be out power just a cable to a top usb port goes in dfu, when motherboard put in a ,macbook and connect to top port usb type c as well goes in dfu, when i try revive it fails no error , when i tried to revive again with older macbook it fail and comes with error 4014,
one more thing i noticed i am getting u0500 26c on thermal camera which is enough to see on it
but i checked pp1v25_awake_io pp1v8_awake i am getting them no short too
can someone advice please
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