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A2681 820-02536 5v 0 to 300ma

Y

yobad

Member
hello, i have this case of UF400 i suppose was dead, USB c stuck on 5V and current starting for 0 to 300mAmps, then drop to zero.
Before replacing UF400, on thermal camera, i believe it was heating.
i replaced UF400, then UF100 and U5500, not working, still 5v
In the end, I replaced UF260. I got all chips from iCloud board and was working before.
i found no short.
1V5_LDO_CORE = 1.5v
PP3V3_UPC0_LDO = 3.3v
PPBUS_AON 12V
PP3V8_AON = 3.8V

please help
 
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