PDA

View Full Version : Hardware problem... 1.8v dead on my comunication board


dog_seb
09-07-2007, 02:37 AM
Hello all,

I need help, I have tried to unlock my Iphone, but after connect needles i got a freeze of my Iphone , restart the phone and dont work the wifi (classic problem... ) but after 20sec I receive this message " Repair Needed iPhone cannot make and receive calls." :eek:
Afreid I restore my phone and nothing, after restore the phone send my the same message...
I checked the comunication board and have problem with the 1.8V for test point , I have just 0.2V... :(
Please help me.... :o
Thanks.

Dog_seb

tramuyo
09-07-2007, 02:59 AM
battery pins or smth is wrong bro, i have the same problem

MuscleNerd
09-07-2007, 05:50 AM
This 1.8V to 0.2V observation could be important in figuring out the "Repair Needed" problem.

otachi
09-07-2007, 07:51 AM
i got this too, and then one day it just whent to restore mode endlessly.

ended up going to an apple store where they were stumped and took it in for repairs under warranty

prof78
09-07-2007, 11:35 AM
hi measure your battery (black <-> red) with power on, if you have less then 3.8V better is 4.1V you have a short circuit....

regards

dog_seb
09-07-2007, 10:59 PM
ok , my battery have 4.1V

I probe to restore the phone but dont work...

smth ... ?? what is this Tramuyo ???
Help...

:(

tramuyo
09-08-2007, 03:13 AM
smth=something

dog_seb
09-08-2007, 06:45 PM
ok, thanks, I go to probe to change on Apple store ... :D
I am verry bad ....
:cool:

tramuyo
09-08-2007, 09:14 PM
well.. nothing to do :( keep on research

Shoggo
09-09-2007, 11:29 PM
Same problem here.

Hope somebody can give me a hint

Regards
Michael

tramuyo
09-12-2007, 05:32 PM
maybe we can make a new join between voltage controller and battery, bypassing some charging circuits. A friend of mine tells me that, bcoz the problem is the charging circuit (short-circuits himself). I tell u when its done and post some photos.

Now the final goal is done (SW unlock), we should work in another goals (like damaged iPhones, how-to-repair 0.8v problem, etc)