hi there , in this A1932 - Air 13 Retina 2018 820-01521, there no screen , no backlight.
no liquid damage.
i have change the lcd flex ,
tested with a working lcd screen but no display , no backlight.
hdmi over usbc is ok .laptop is working .
the same.
here measurement
- PP3V3_LCD = 3,3 V
- PP5V_LCD = 5 V
- I2C_SDA_TCON / I2C_SCL_TCON = 3,3 V (no oscilation)
- LCD_PWR_EN = 5 V
- LCDBKLT_EN_L = 12 V
- EDP_BKLT_EN = 0 V
- IPD_LID_OPEN = 1.8 V
i am stuck, if you have an idea....
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