Backlight is out

Question

iPhone 3GS

Обновленная версия iPhone 3G с более высокой скоростью обработки. Ремонт этого устройства схож с iPhone 3G, и требует простых отверток и инструментов для вскрытия. Модель A1303; 16 или 32 ГБ памяти; с Черной или Белой задней пластиковой крышкой.

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Tommy @tommy29647

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Опубликовано: 15 дек 2009 г.

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Backlight is out

So I dropped my iphone the other day and it cracked the screen and I decided to fix it myself to see what it looked like inside and to save a few bucks. I got everything replaced (LCD and Digitizer) but the backlight wont turn on. I restored the phone, fiddled with the brightness and even took it apart again and tried to clean the parts that I messed with with alcohol. Anyone know what cable needs to be fiddled with to fix it.

---Note---

I tried to see what it would look like with my old LCD and the backlight is also out there.

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David Iwanicki @davidiwanicki Репутация: 4,6к 31 13 4 · Answer 1 · 2009-12-16T05:38:19-07:00

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David Iwanicki @davidiwanicki

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The LCD connects to the logic board directly, via a single cable - Cable #1. Most likely, the logic board was damaged by the drop as well, causing the issue you are experiencing.

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well i hope thats not the case but when i dropped it and truned it on, the LCD backlight was still there so I dont think its damaged. how should I clean the connectors, people say toothbrushes but thats not helpful enough -_-

16 дек 2009 г. из Tommy

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Zip Harcourt @zipharcourt Репутация: 13 1 · Answer 2 · 2011-06-01T16:28:35-07:00

Zip Harcourt @zipharcourt

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After installing ifixit's Front Panel Kit (glass and digitizer only), my backlight initially wasn't working.

The second time I removed and reinstalled the screen, I noticed a piece of dirt in the female (case back) part of the #1 connector, preventing it from seating fully.

Once the debris was removed and the screen reattached, the backlight was immediately functional.

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iPhone 3GS

Backlight is out

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