I need help to identify this shorted chip on asus x200ca it has a mark AESD 552 i have attached the image of the board, can anyone help me identify this chip please
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Re: asus x200ca need to identify this chip
Monolithic Power Systems NB671LGQOpenBoardView — https://github.com/OpenBoardView/OpenBoardView -
Re: asus x200ca need to identify this chip
thanks piernov for the response i need to find the same chip for thisComment
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Re: asus x200ca need to identify this chip
thanksComment
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Re: asus x200ca need to identify this chip
what do u think is the factor if the system completes the boot process if i detached the X200ca IO board from main board and plug the adapterComment
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Re: asus x200ca need to identify this chip
now that i shutdown the system using windows process (not through power off button)... i could no longer power on the main board with isolated x200ca IO board if plug the adapter. It seems the hardware demands for physical power on process which i think defective or is it due to faulty bios since before that the system wont POST unless i detached the IO board.Comment
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Re: asus x200ca need to identify this chip
check all parts on the IO board,resolder all parts.Check the IO cable for damage .Comment
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This is a guide that I am writing for helping others to replace their MEC1503 EC chip if it breaks (or to get around an inconvenient prompt to the BIOS). This forum has been extremely helpful to me so I would like to contribute to help others. I will tell you right now that this task is very difficult to do. You MUST have experience and tools to do precision micro-soldering, BGA reballing, trace repair, and general laptop repair skills.
There are some specialty tools needed to do this task. The replacement MEC1503 chips can be acquired from Aliexpress. Do not buy the bare chips as... -
Long story short:
- dad converted Asus Chromebox CN62 into Windows compatible, with mrchromebox BIOS, years and years ago
- gave the computer to his son a couple years later
- son now decided to revert it to Chrome OS, to sell it as original (re-writing BIOS with the backup one created by his dad)
- too lazy to remove the board from the case, thought a voltage regulator was the BIOS chip (you know... it has 8 legs)
(seems like the story was not that short)
He used alligator clips to read the chip. No luck reading it. Removed chip and placed on a SOC-8... -
This is found between the usb-c port and processor of a Asus ROG Ally Z1 Extreme. I cannot find it anywhere on google. Please help me identify.... -
Asus Vivobook 15 (board X513ea R2.0) gone dead when user plugged an iPhone cable into the USB-C port during boot. Now there's no LED light, no power at all. I checked all MOSFETs and capacitors, no shorts found. The board only has 3.3V and 5V present, no other voltages.
I injected 3.3V into the EC chip power rail (ITE IT5125VG 128), and it draws 80mA, while the 3.3V LDO chip RT8249C has a max output of 100mA. I checked the boardview and found there are only two chips on this 3.3V rail, EC and Realtek audio chip. So I think EC could be the problem.
I found the EC chip...09-14-2024, 02:09 AM -
Could anyone identify Richtek backlight driver from Samsung LTN173KT01?
There is only "CZ=EL 12M" mark on it. Thank you very much!
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