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| iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides. |
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05-02-2012, 21:59
| #1 (permalink) |
| Freak Poster   Join Date: May 2010
Posts: 252
Member: 1307963 Status: Offline Sonork: www.mycelcare.com Thanks Meter: 312 | iphone 4s display light not working easy solution  don't forget to press thanks Best Regards Rizwan  |
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| The Following 35 Users Say Thank You to gsmcdma25 For This Useful Post: |
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05-16-2012, 19:56
| #2 (permalink) |
| Freak Poster Join Date: Feb 2011 Location: Galway, Ireland
Posts: 276
Member: 1508411 Status: Offline Thanks Meter: 36 | Hi, I have iphone 4s , water damaged. Black screen. Phone is recognised and touch responds but nothing on the display.No Backlight either. I have continuity on the two points you have shown above. Can you tell me what voltage should be at those points please as i have no voltage there. Thanks |
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05-17-2012, 17:31
| #5 (permalink) | |
| No Life Poster   Join Date: Apr 2009 Location: Moldova,Chisinau. Age: 38
Posts: 3,473
Member: 1017374 Status: Offline Thanks Meter: 2,594 | Quote:
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| The Following User Says Thank You to Wites OM Tesla For This Useful Post: |
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05-17-2012, 18:12
| #6 (permalink) |
| Freak Poster Join Date: Feb 2011 Location: Galway, Ireland
Posts: 276
Member: 1508411 Status: Offline Thanks Meter: 36 | Hello Wites my old friend. Can you confirm the coil is the one in the image? If so it is open i think and needs replacing. Where can i take one from you know?  |
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05-17-2012, 21:21
| #7 (permalink) |
| No Life Poster Join Date: Apr 2009 Location: Moldova,Chisinau. Age: 38
Posts: 3,473
Member: 1017374 Status: Offline Thanks Meter: 2,594 | Yes that is light coil if no beep replace it and hope light will solve if not solve replace D1 near. L18 have 4.7UH-1.2A-406MOHM try put from iphone 4G or ipod touch 4G. |
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| The Following 3 Users Say Thank You to Wites OM Tesla For This Useful Post: |
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05-17-2012, 21:43
| #8 (permalink) |
| No Life Poster Join Date: Apr 2009 Location: Moldova,Chisinau. Age: 38
Posts: 3,473
Member: 1017374 Status: Offline Thanks Meter: 2,594 | Download 4S schematic posted by erric here http://forum.gsmhosting.com/vbb/8415242-post48.html I have download it from Mobile-files some days back now i remake schematic. |
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| The Following 6 Users Say Thank You to Wites OM Tesla For This Useful Post: |
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05-18-2012, 07:28
| #9 (permalink) | |
| Freak Poster Join Date: Feb 2011 Location: Galway, Ireland
Posts: 276
Member: 1508411 Status: Offline Thanks Meter: 36 | Quote:
Thanks for your good advice as always. | |
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05-18-2012, 11:25
| #11 (permalink) |
| Junior Member Join Date: Dec 2009
Posts: 27
Member: 1187617 Status: Offline Thanks Meter: 1 | iphone 4s itunes erreur -1 :the whole screen went black now the phone won't load up again its stuck on the apple logo then goes on to the usb cable pointing to itunes 10.6.1.I did the complete ireb proceedure when I did the hold shift to restore almost at the end of the proceedure I got an itunes error -1 ,I try redsnow but it's the same thing itunes error -1.Can someeone please help me rectify this problem please |
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05-18-2012, 12:38
| #12 (permalink) | |
| No Life Poster Join Date: Apr 2009 Location: Moldova,Chisinau. Age: 38
Posts: 3,473
Member: 1017374 Status: Offline Thanks Meter: 2,594 | Quote:
This diode is integrated in light ic on iphone 3G,3GS and 4g here it is separated. | |
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| The Following 2 Users Say Thank You to Wites OM Tesla For This Useful Post: |
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05-18-2012, 14:22
| #13 (permalink) | |
| Junior Member Join Date: May 2012
Posts: 5
Member: 1761026 Status: Offline Thanks Meter: 0 | [IMG]http://www.****************.com[/IMG] Quote:
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05-18-2012, 18:29
| #14 (permalink) |
| Freak Poster Join Date: Feb 2011 Location: Galway, Ireland
Posts: 276
Member: 1508411 Status: Offline Thanks Meter: 36 | Right, The coil has fixed the screen issue, Well done again WITES. !!! Everything works fine except the WiFi is greyed out. I shall investigate further and see what i find. PS. Wites, feel free to use the image above as a iphone 4s back coil fix post. I'm sure others will find it useful. Cheers |
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05-18-2012, 18:40
| #15 (permalink) |
| Banned Join Date: Mar 2012
Posts: 317
Member: 1738165 Status: Offline Thanks Meter: 206 | you can get the iphone 4s coil and ic from here. if you dont have a an old phone board to take it form. change the backlight coil and ic then post results  |
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| The Following User Says Thank You to noobfix For This Useful Post: |
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