820-2838 No Internal Display

iambehr

Member
Hello,

Macbook had corrosion on or near internal dp connector and J4700. Cleaned up pins of J4700. Replaced edp connector with a new part. Macbook boots and shows external display, all seems to be working except for internal display.

Is not a backlight issue, checked for image and tested with known good display.

Checked smc_lid, 3.4 volts and voltage drops when magnet is applied to the lid switch.

Any thoughts?

Thanks!
 
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