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820-00281: No image on display. External works

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  • #16
    I Replaced U9800 from identical donor board, still no image on display. External display still works.

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    • #17
      Maybe some knocked off component, broken trace, or bad contacts at J8500.

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      • #18
        So decided to check in diode mode the values of all the pins on J8500, found out that U9850 that I had installed was bad. So ordered replacement from china and board now feeding image to display. Thanks guys for the assist again. This board is now fixed.

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