Revamped version of the iPhone 3G with faster processing speeds. Repair of this device is similar to the 3G, and requires simple screwdrivers and prying tools. Model A1303 / 16 or 32 GB capacity / black or white plastic back.

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No backlight after complete Touch/LCD replacement?

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?

Answered! View the answer I have this problem too

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hi peter, i edited your post - i think that "LSD replacement" is something different ;-)

the backlight and the lcd are powered by the same connector (1)

to the second question:

did you remove the battery while installing the lcd ?

if not, sure - it's possible that you shorted something

i only see 3 possible faults:

  1. the connector isn't plugged in correctly
  2. the backlight of the lcd does not work
  3. the coil for the backlight died while the connector shorted the contacts

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Where is the "coil for the backlight"?


I think you mean that coil and fix?


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If your iphone screen was working (backlight) prior to screen change then a short has occured and the coil is fried. Check out 'backlight coil replacement 3gs' (and other combinations) on ebay -there are guys who will fix your phone for £20.

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Peter Karlberg will be eternally grateful.
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