iphone 5 short after waterdamage - GSM-Forum

NoFe@R!!! · 09-27-2013, 09:45

hi all,
i have water damage iphone 5. short circuit shows all devices (1-4 Pin is short) What is the solution

dragosgsm · 02-16-2015, 23:21

same problem here, any solution ?

calais250 · 02-17-2015, 04:12

Hi
I have revived a few iphones doing this way
remove the heat shield form motherboard, clean the board with isapol alcahol, then check if still short if so
connect an external power source to the two pins that is short 3.7V
and wait till any compenent heats up and then remove the component that is hot
usually a capacitor.
good luck

android unbrik · 02-17-2015, 13:35

today i repired short motherbord mayb help u

NoToRiOuS26 · 02-26-2015, 23:58

I have the same problem, pin 1 and 4 short on battery connection.

Android unbrik do you have a bigger picture ?

axiom uk · 02-27-2015, 00:57

You need to work out what component is shorted yourself! just because one guy replaced a capacitor doesn't mean it works for you too!

NoToRiOuS26 · 02-27-2015, 10:21

And what is the best way to do it, where do i start ?

Someone here told that you have to use a external dc source to power the board so you can find the component that gets hot ?

axiom uk · 02-27-2015, 12:11

That would be a good place to start, applying low voltage high current will cause to shorted component to carry all the load and therefore heat or burn giving you a visual clue. Also symptoms will help you narrow down areas to look for example, touch issues could be a short in the touch IC or supplying components etc, get hold of the schematics and trace the lines.

NoToRiOuS26 · 02-27-2015, 15:17

And what is a safe low voltage to use without damaging the board.

axiom uk · 02-27-2015, 15:51

well the maximum the battery outputs is 4.2v

Formingus · 06-30-2015, 14:05

Quote:

Originally Posted by calais250

Hi
I have revived a few iphones doing this way
remove the heat shield form motherboard, clean the board with isapol alcahol, then check if still short if so
connect an external power source to the two pins that is short 3.7V
and wait till any compenent heats up and then remove the component that is hot
usually a capacitor.
good luck

Which alligators you use to connect external power supply to battery connector on iphone 5?

moe123 · 08-26-2015, 08:30

Hi,

gsmhosting is awesome.

I find this post relevant, trying to repair a few of my phones to pass some time.

Measured across pins to find about 11k ohms so im thinking there is a short.

I apply a small voltage across those same pins and wait till its hot?

i have a small dc voltage regulator, am i correct , by connecting both positive and negative to the positive and negative terminals on the batt connector?

any tips would be appreciated

Thanks

calais250 · 08-28-2015, 04:40

I solder a tiny wire to the cap then use aligator clip

09-27-2013, 09:45	#1 (permalink)
NoFe@R!!! Junior Member Join Date: Mar 2006 Location: Turkey-İst Posts: 18 Member: 245360 Status: Offline Thanks Meter: 3	iphone 5 short after waterdamage hi all, i have water damage iphone 5. short circuit shows all devices (1-4 Pin is short) What is the solution

02-16-2015, 23:21	#2 (permalink)
dragosgsm No Life Poster Join Date: May 2005 Location: Bacau Posts: 3,229 Member: 148032 Status: Offline Thanks Meter: 415	same problem here, any solution ?

02-17-2015, 04:12	#3 (permalink)
calais250 Freak Poster Join Date: Oct 2011 Posts: 177 Member: 1668980 Status: Offline Thanks Meter: 35	Hi I have revived a few iphones doing this way remove the heat shield form motherboard, clean the board with isapol alcahol, then check if still short if so connect an external power source to the two pins that is short 3.7V and wait till any compenent heats up and then remove the component that is hot usually a capacitor. good luck

02-17-2015, 13:35	#4 (permalink)
android unbrik No Life Poster Join Date: Apr 2012 Location: bahrain. Posts: 1,243 Member: 1742913 Status: Offline Sonork: 100.1604070 Thanks Meter: 328	today i repired short motherbord mayb help u

02-26-2015, 23:58	#5 (permalink)
NoToRiOuS26 Junior Member Join Date: Feb 2015 Posts: 15 Member: 2344322 Status: Offline Thanks Meter: 2	I have the same problem, pin 1 and 4 short on battery connection. Android unbrik do you have a bigger picture ?

02-27-2015, 00:57	#6 (permalink)
axiom uk Junior Member Join Date: Apr 2008 Posts: 38 Member: 747693 Status: Offline Thanks Meter: 5	You need to work out what component is shorted yourself! just because one guy replaced a capacitor doesn't mean it works for you too!

02-27-2015, 10:21	#7 (permalink)
NoToRiOuS26 Junior Member Join Date: Feb 2015 Posts: 15 Member: 2344322 Status: Offline Thanks Meter: 2	And what is the best way to do it, where do i start ? Someone here told that you have to use a external dc source to power the board so you can find the component that gets hot ?

02-27-2015, 12:11	#8 (permalink)
axiom uk Junior Member Join Date: Apr 2008 Posts: 38 Member: 747693 Status: Offline Thanks Meter: 5	That would be a good place to start, applying low voltage high current will cause to shorted component to carry all the load and therefore heat or burn giving you a visual clue. Also symptoms will help you narrow down areas to look for example, touch issues could be a short in the touch IC or supplying components etc, get hold of the schematics and trace the lines.

02-27-2015, 15:17	#9 (permalink)
NoToRiOuS26 Junior Member Join Date: Feb 2015 Posts: 15 Member: 2344322 Status: Offline Thanks Meter: 2	And what is a safe low voltage to use without damaging the board.

02-27-2015, 15:51	#10 (permalink)
axiom uk Junior Member Join Date: Apr 2008 Posts: 38 Member: 747693 Status: Offline Thanks Meter: 5	well the maximum the battery outputs is 4.2v

08-26-2015, 08:30	#12 (permalink)
moe123 Junior Member Join Date: Jan 2015 Posts: 2 Member: 2330510 Status: Offline Thanks Meter: 0	Hi, gsmhosting is awesome. I find this post relevant, trying to repair a few of my phones to pass some time. Measured across pins to find about 11k ohms so im thinking there is a short. I apply a small voltage across those same pins and wait till its hot? i have a small dc voltage regulator, am i correct , by connecting both positive and negative to the positive and negative terminals on the batt connector? any tips would be appreciated Thanks

08-28-2015, 04:40	#13 (permalink)
calais250 Freak Poster Join Date: Oct 2011 Posts: 177 Member: 1668980 Status: Offline Thanks Meter: 35	I solder a tiny wire to the cap then use aligator clip