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hello , all value are ok , no short and no overconsumption and the board do not become abnormally hot I ordered one backlight ic

already tested with another new screen same problems

the device boot normaly and i see image of the lockscreen and touch work PPVCC_MAIN_LCD_SW_CONN = 4v(only when display on) PPVCC_MAIN_LCD_SW = 3.9v ( only when display on ) GPIO_PMU_TO_LCD_PWREN_1V2 = 1,25v ( only when display on ) PP_LUME_OUT = 0v (always) PP_LUME_OUT diode mode value 0,580v

ok thank you , i already see this schematics my device works fine but have backlight issue all value look like good on j4801 and board are prety clean i thinks the backlight driver its self are dead but im not sure

hello anyone have an a2378 820-02415 pcd boardview ? thanks you