IC Number in Schematic |
U4002 |
Name and Function of IC |
USB charge and driver |
Technical Number |
SM5504 |
IC Manufacturer |
SILICON MITUS |
IC Package |
WLCSP,18P |
Malfunctios related to IC :
1.عدم کارکرد پورتUSB
2.عدم شارژشدن
3.Slow charging speed
4.عدم نمایش صحیح درصدشارژ
5.عدم دتکت USB
Repair flowchart related to this section :
قطعه c4070=5v را دارا میباشد که در صورت عدم وجود ولتاژ ایسی u4003 را تعویض وبررسی نمایید.
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