This board power with chime and TB image is OK.
But on LVDS screen no video, white screen.
I checked and L9004 was bad. I replaced it and no no white screen anymore. Now dark screen but no video, no backlight. If I remove L9404 I have white screen again.
LCDVDD, LCD_F, CLK and DATA are at 3.3V
LCDBKL - 25V
I tested this screen on working board and screen is ok.
LVDS connector from pin8 to pin 18 compared with another board I have same value 5M en all data pins.
Any idea what to check next?
But on LVDS screen no video, white screen.
I checked and L9004 was bad. I replaced it and no no white screen anymore. Now dark screen but no video, no backlight. If I remove L9404 I have white screen again.
LCDVDD, LCD_F, CLK and DATA are at 3.3V
LCDBKL - 25V
I tested this screen on working board and screen is ok.
LVDS connector from pin8 to pin 18 compared with another board I have same value 5M en all data pins.
Any idea what to check next?
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