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Second generation of iPhone. Model A1241 / 8 or 16 GB capacity / black or white plastic back. Repair is more straightforward than the first iPhone. requires screwdrivers, prying, and suction tools.

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iPhone backlight not working anymore

Hi,

i have a problem with my iPhone.the lcd backlight is not working anymore.the iPhone felt down, and the dislpay incl. the touchscreen was destroyed. so i bought new touch and lcd set...

after replacing my destroyed lcd, everything was working fine, incl. backlight.

But then the backlight went off.. i opened the iPhone again...seated all cables again into the iPhone, and it worked again...but only for a few minutes, till i moved/shaked the iPhone...

i guess that the connection for the backlight is not well connected...but i don´t know what cable is responsible for the backlight connection...I uploaded 2 pictures...can you say me which connection on each picture is for the backlight?

On the picture nr2 the thing numbered 1 seems a little bit destroyed...

Picture1:[URL|

http://sebastian-eitel.de/media/1.JPG]

Picture2:[URL|

http://sebastian-eitel.de/media/2.JPG]

Thanks,

Sebastian

Beantwoord! Bekijk het antwoord Dit probleem heb ik ook

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hi sebastian,

besteht das problem noch oder hat sich die sache erledigt ?

es wäre schön diesbezüglich nochmal eine rückmeldung zu erhalten oder falls möglich eine antwort zu akzeptieren, sofern diese zur lösung beigetragen hat. es geht letztendlich darum das wir nach und nach die ungelösten abarbeiten wollen. falls das problem noch bestehen sollte - kein thema, schreib einfach nochmal was dazu und ich versuche dir das alles orgendwie zu lösen. gruß markus

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Where is pic1 from?

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Hi,

finally i didn´t get it working.

I just sent the iPhone to a iPhone repair shop, and they repaired it for me.

He wrote me, that there were more errors within the iPhone...

Well, now it´s working!

Thanks for your answers anyway.

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hi sebastian, good that it works again, i would suggest that you accept your own answer, since no other answer was the right one (that way your question will go out of the "unresolved tab" - i think the "coil" was gone in your phone and thats why the backlight was not working. viele grüße aus mittelfranken

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this will fix it if it is a 3Gs...

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My sons 3gs was water damaged and the backlight stopped working. I was told it was the LCD, so I gt a new one off ebay for £22 and fitted it myself. It is now working and the connection for the new LCD was number 1.

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if replacing the lcd doesn't work. it could be there is a burnt pin on the lcd connector on the board or the backlight coil is bad. either one requires soldering on the motherboard and is pretty difficult.

but usually either one of these is due to liquid damage.

try applepierepair.com. they are masters at this stuff

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I guess is a defective/damaged LCD. Try to turn the iPhone on and put under the sun light or under another good light source and watch if you can see something, I mean a a very tenuous image.

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hi,

under the light i can see the pictures on the lcd...

and sometimes also the backlight is working...

that´s why i thought it´s not well connected, cause when it´s working it´s only workng for a few minutes, till i touch the iPhone somewhere...

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any idea, how the backlight gets its power or data?

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No idea, but you must test with another LCD or a complete Touch/LCD (it´s more easy to try) from an iPhone´s friend for example, to see if the problem persists.

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I repaired an iPhone using a complete Touch/LCD and the phone seems to work except for the backlight. As there is only three cables from the screen to the rest I wonder which one of these that powers the backlight?

Second question could of course be - is there any risk that I damage something else during the process that could effect the backlight?

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please post this as a new question - that makes it easier for everybody - your problem is most probably a different one than this one

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buy a new lcd digitizer that should do the trick,

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this answer is not useful - the digitizer and the lcd are two different things

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http://www.youtube.com/watch?v=Ng9qQEUj9...

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it has sorted the problem but isn't ideal. the 6r8 is the right part but it should be soldered correctly.. this is half a job!

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http://www.youtube.com/watch?v=rZZawHT1E...

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6r8 is the right part but should be soldered to the board correctly.. this isn't the ideal fix for the problem.

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Block Image

for Iphone 3G have different coil and IC specs you cant just use the 3GS coil in 3G it will cause damage and possible fire.

you can buy the 3G coil and backlight IC with the correct specs from here

for less than 5$

Block Image

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cyberdoctormd, be careful with posting your URL all over. Could be looked upon as spam. Place the URL into your profile and link your answers to that. Many people that answer questions, have their own business but do not use this forum to increase their business

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donulfo zal eeuwig dankbaar zijn.
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