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Tag ASUS x450v

Second, fix ASUS X450V notebook headset speaker without sound

IMG_268
When the chip is disassembled, the resistance value of 27 pins is infinite, and the resistance value of the installed chip is 638, indicating that there is no problem with the board layer. Replace the fifth chip, change the installation method, heat and weld from the bottom, the quasi-voltage comes out, the sound is there, and the headphone sound is there!