My iPad pro 2018 12.9" lost backlight

Question

iPad Pro 12.9인치 3세대

2018년 애플 11월 스페셜이벤트에서 출시된 태블릿컴퓨터 고유번호 A1876, A2014 및 A1895.

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Serdar Yagcioglu @iserdar87

평판: 13

2

게시일: 2021년 6월 22일

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My iPad pro 2018 12.9" lost backlight

Hi all, this is my first post. My iPad pro 2018 12.9 inch (model 1895) went black during usage outside at 28°C. Then I noticed that the actual display shows picture but the backlight is not illuminating any more. I have opened the iPad and checked the logic board for visual damage but everything seems to be OK. The filters next to the display connectors are also ok. Does someone has experienced this issue or has the schematic for my ipad? Would be very helpful

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How did you test the filters

daniel 의 2021년 6월 23일

I have used this video as a guide: https://youtu.be/6FnO1oY-voM

It is not the same model but has a similarly design at some circuits.

I did not had any burned filters but found a burned cap (optical burned but not shorted).

Serdar Yagcioglu 의 2021년 6월 23일

Do you have a multimeter

daniel 의 2021년 6월 24일

Yes. Do you have schematics available for this model which is showing where the backlight circuit is located?

Serdar Yagcioglu 의 2021년 6월 25일

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답변 1개

I have used this video as a guide: https://youtu.be/6FnO1oY-voM

It is not the same model but has a similarly design at some circuits.

I did not had any burned filters but found a burned cap (optical burned but not shorted). — Serdar Yagcioglu
Yes. Do you have schematics available for this model which is showing where the backlight circuit is located? — Serdar Yagcioglu