Electronics > Repair

Please help to identify component

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ValSergeev:
Hello lads.
After unsuccessful searches on the Internet, I came to you asking for help in identifying a component. It is located in the LCD panel control board circuit.
I will be sincerely glad for your help!

m k:
So power out, supply, AC in and what ever in from the left.
Above parts are uncertain and ground must go under it.

Has K-component more than two contacts?

mikeselectricstuff:
Buck regulator - unfortunately there are about a gazillion options for what it could be - searching by package and pinout would be a start but likely still dozens to hundreds of possibilities

amyk:
Micrel/Microchip MICxxxx series seems to have similar markings...

floobydust:
Welcome to the forums :)
I find SMD marking "71A" QFN-8 package is RT8297 buck converter.

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