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MBP 2012 13" A1278 (820-3115)
We have replaced the LCD Connector, and tested with 4 different complete known to be good display assembly's and we still have these 'stage lights', which must point to the issue being from elsewhere. @oldturkey03 any suggestions on what we can do next?
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@livfe part of the backlight IC U9701 connects the cathode part of the LED strips to ground through PWM-controlled FETs. LED_RETURN_1 through LED_RETURN_6 lines are present on the LVDS connector (pin 24-Pin 29). A broken line on those will cause the anomaly we refer to as "Stagelight." :)
Here are the resistors for the LED Return lines
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Fantastic, we will check the later today and I am very confident that your help will solve this one (& others hopefully!) - Vielen danke :D
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