Does anyone know what chip is this?and what is it purpose?i cannot find same replacement
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Re: ACER a515 C5V01 LA-E891P
The picture isn`t clear enough with the part number . You didn`t say its on the IO audio board..........
The IO Audio board schematic is D7W01 LS-E893P Rev: 1A -
Re: ACER a515 C5V01 LA-E891P
I am not sure, but it is very likely the usb 5v power controller.
It is not matching the la-e891p schematic. However, like SMDFlea suggested, a clear photo would be helpful to identify it ...Comment
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Re: ACER a515 C5V01 LA-E891P
i dont have a clear photo i have upload again the chip removed the board id C5V01 LA-E891PAttached FilesComment
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Re: ACER a515 C5V01 LA-E891P
This is exactly the same as US21 smd on the same board LA-E891P... you can find the schematics here:
https://www.badcaps.net/forum/showthread.php?t=75826
As mentioned before it is providing usb 5v ...
If you have donor boards check near usb ports for a similar sot23-5 chip...
The chip you mentioned is k2k + 2 digit part number..
You can replace it with 54B+2 digit part number or
SY6288C20AAC as per the shematics...
I have attached some photos to make it easy....Attached FilesComment
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Re: ACER a515 C5V01 LA-E891P
@weelcup thank youComment
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