iphone 4s display light not working easy solution - Page 5 - GSM-Forum

qwertybasse · 11-20-2014, 14:23

Mine was FL8. I make a jumper

ol' · 12-06-2014, 11:55

Hello,

after a screen change, I notice that it lacks the c82 component. my screen does not light up. how to repair that component?

Thanks

samir_paudel99 · 04-09-2015, 13:06

its work 100% for me thanks sirr....

skytelecom · 06-05-2015, 14:57

i have a iphone 4s which came to change the headset port ribbon. we changed and fix the motherboard . cant power on black blank screen . when plug in to the computer . its detect as dfu mode .

any solution?

gustavo20039 · 01-30-2016, 23:51

Hi,

I have an Iphone 4s, that is water damage.
I have noticed that the iPhone is been recognized on the laptop in took about 10-20min to boot.(maybe I will need to replace the battery).
After I noticed that the iPhone keeps doing chime sound of plugging battery.
And it's not showing any image on the display(I have replaced the lcd) but not 100% dark, maybe 90%. Any ideias regarding the issue with the display? Coil?IC?

Regards

mikemcfc69 · 03-08-2017, 17:45

Quote:

Originally Posted by megus

hi guys
i found this thread related to my problem.
Seems terminal 2 on the display connector has ****n circuit..
The problem now- i don't know how to solder such a small pice if circuit.
The distance (see picture) between terminal and c21 capacitor about 1.3mm
Attachment 304142
i have small soldering iron but it seems not thin enough.
What kind of equipment r u guys using?
I see some ppl have missing components, so for me to re-solder something missing would be mission impossible..

There is a full iphone 4s schematic if someone needed. I found it on some russian site. It has "gsm forum" logo on front page, so must be known here. Still, if interested i can upload it somewhere.

hello can u please send 4s schematic thanks same backlight issue j4 to c134 jumper wire could fix

01-30-2016, 23:51	#65 (permalink)
gustavo20039 Junior Member Join Date: Mar 2014 Posts: 2 Member: 2158314 Status: Offline Thanks Meter: 0	Iphone 4s water damage no display Hi, I have an Iphone 4s, that is water damage. I have noticed that the iPhone is been recognized on the laptop in took about 10-20min to boot.(maybe I will need to replace the battery). After I noticed that the iPhone keeps doing chime sound of plugging battery. And it's not showing any image on the display(I have replaced the lcd) but not 100% dark, maybe 90%. Any ideias regarding the issue with the display? Coil?IC? Regards

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11-20-2014, 14:23	#61 (permalink)
qwertybasse Freak Poster Join Date: Mar 2014 Posts: 195 Member: 2142442 Status: Offline Thanks Meter: 53	Mine was FL8. I make a jumper

12-06-2014, 11:55	#62 (permalink)
ol' Junior Member Join Date: Dec 2013 Posts: 1 Member: 2076956 Status: Offline Thanks Meter: 0	Hello, after a screen change, I notice that it lacks the c82 component. my screen does not light up. how to repair that component? Thanks

04-09-2015, 13:06	#63 (permalink)
samir_paudel99 Junior Member Join Date: Oct 2014 Location: nepal,narayangadh Posts: 14 Member: 2272184 Status: Offline Thanks Meter: 2	its work 100% for me thanks sirr....

06-05-2015, 14:57	#64 (permalink)
skytelecom No Life Poster Join Date: Jul 2009 Location: Sri Lanka Posts: 504 Member: 1074229 Status: Offline Sonork: 100.1605299 Thanks Meter: 62	i have a iphone 4s which came to change the headset port ribbon. we changed and fix the motherboard . cant power on black blank screen . when plug in to the computer . its detect as dfu mode . any solution?