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2015년 9월 25일 출시. Model A1688/A1633. 수리는 이전 모델과 유사하며 스크류 드라이버 및 비집는 도구가 필요합니다. GSM 또는 CDMA / 6, 64, 또는 128GB / 은색, 금색, 스페이스 그레이 및 로즈 골드로 제공하였습니다.

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Backlight broken after screen replacement. Soldered filter no fix.

Backlight doens't worker after change of screen

Tried changing cracked screen on my own. Did not turn turn off battery before starting.

Changed the screen. No picture. Used a flashlight and saw that the screen and phone was working, but with no backlight.

I sent the phone to a repair store in Norway. The guy said to me that I broke the backlight filter. He soldered a new one. Backlight still doesn't work. He says that he didn't find any other errors than the short-circuiting of the backlight filter. He has confirmed that it gets the voltage it should get.

He also said that the the backlight went on a couple of times when he tried booting the phone a second or two before turning off.

Do you know what the problem could be?

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From the sounds of it he didnt know too much of what he was doing or how to do it!

You can buy a backlight board from any good parts supplier. I personally wouldnt have soldered it as its close to the LCD and you dont want to damage that too.

What you need to do is disconnect the battery BEFORE anything else that you do.

I'd put a new screen on where the backlight is already fitted.

or

take it to somewhere else that has experience in changing screens.

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Jan Hansen 가/이 대단히 고마워 할 것입니다.
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