Ipad 9.7 short on caps near cpu - GSM-Forum

ndagi · 03-13-2019, 09:41

Hi,
i,ve attempted to remove icloud from an ipad pro 9.7 wifi model by hardware and,after reprogramming the PCIE chip and replacing , im getting error 4014 on itunes. ive reballed another PCIE chip and must have changed it 10 times between the two and still i get the same error 4014.

well, frustrated i decided to examine board , using diode mode,i found these capacitors short (see attachment). i have no clue as to what track theyre on but im 100% sure theyre the culprit. ive crawled the internet for schematics for this ipad model with no success.Unfortunately its the only one i have.

I need help guys, anyone with the schematics of has the ipad pro 9.7 on hand should please help with reading and maybe i can revive this thing.

it still comes up as an ipad in dfu on itunes and 3u.

thanks in advance.

ndagi · 03-13-2019, 11:15

Update: Removed shields on the borders of the board and traced short to power ic!
dont know how it happened i guess heat shorts circuits too. i have to order a new power ic for the ipad

$ide$tep · 03-15-2019, 21:45

what do you mean short? 0 omhs? or 10-15? these could be pp_gpu line, and it is ok to be 12-15 ohms on it

icl-2019 · 03-16-2019, 00:08

same problem to me

brek89 · 03-19-2019, 17:56

Are you sure it's a short film? pp_gpu line and almost 20 ohm. Be careful that this is not short. Check out all the pitches where the nand is welded. In case you remove you have interrupted some track. The mistake you mention concerns the nand.

ndagi · 03-24-2019, 13:00

Quote:

Originally Posted by brek89

Are you sure it's a short film? pp_gpu line and almost 20 ohm. Be careful that this is not short. Check out all the pitches where the nand is welded. In case you remove you have interrupted some track. The mistake you mention concerns the nand.

Hi, can you please point me in the direction of the pp_gpu Lomé? Like I said in the first post I can’t find the schematics for this iPad. I’ve already ordered the new mic but not delivered yet so any assistance at this point would be greatly appreciated.
Regards
Ndagi

MonkeyRiver · 04-29-2019, 15:47

I was working on a iPhone X yesterday. I ended up totaling it because of a PP GPU short.

I tried the caps first, Then the PMIC, Then finally the A11. The A11 was the source of my problem

blightyear · 05-19-2019, 06:53

Hi,

my search gives no schematics for ipad pro 9,7 until today. The only thing is board view in ZXW.

Free the right for repair and share :-)

Best regards
buzz

simpleprince49 · 06-13-2019, 11:29

up for this thread..i have also semilar problem..but mine after recovery it will not connect to restore mode instead go back to dfu again..

04-29-2019, 15:47	#7 (permalink)
MonkeyRiver Major Poster Join Date: Jan 2019 Location: Kansas City Posts: 42 Member: 2891996 Status: Offline Thanks Meter: 6	I had a PP GPU short on a iphone X. I was working on a iPhone X yesterday. I ended up totaling it because of a PP GPU short. I tried the caps first, Then the PMIC, Then finally the A11. The A11 was the source of my problem

05-19-2019, 06:53	#8 (permalink)
blightyear Junior Member Join Date: Apr 2011 Posts: 15 Member: 1564017 Status: Offline Sonork: [email protected] Thanks Meter: 1	Schematics ipad pro 9,7 Hi, my search gives no schematics for ipad pro 9,7 until today. The only thing is board view in ZXW. Free the right for repair and share :-) Best regards buzz

03-13-2019, 11:15	#2 (permalink)
ndagi No Life Poster Join Date: Dec 2002 Location: nigeria Posts: 661 Member: 18926 Status: Offline Sonork: ndagi Thanks Meter: 52	Update: Removed shields on the borders of the board and traced short to power ic! dont know how it happened i guess heat shorts circuits too. i have to order a new power ic for the ipad

03-15-2019, 21:45	#3 (permalink)
$ide$tep Freak Poster Join Date: Oct 2004 Location: Kiev, Ukraine Age: 39 Posts: 119 Member: 88304 Status: Offline Thanks Meter: 9	what do you mean short? 0 omhs? or 10-15? these could be pp_gpu line, and it is ok to be 12-15 ohms on it

03-16-2019, 00:08	#4 (permalink)
icl-2019 Freak Poster Join Date: Nov 2018 Posts: 101 Member: 2877826 Status: Offline Thanks Meter: 17	same problem to me

03-19-2019, 17:56	#5 (permalink)
brek89 Junior Member Join Date: May 2016 Location: Italy Posts: 30 Member: 2568440 Status: Offline Thanks Meter: 4	Are you sure it's a short film? pp_gpu line and almost 20 ohm. Be careful that this is not short. Check out all the pitches where the nand is welded. In case you remove you have interrupted some track. The mistake you mention concerns the nand.

06-13-2019, 11:29	#9 (permalink)
simpleprince49 No Life Poster Join Date: Feb 2009 Location: inside apples a15 Posts: 886 Member: 975554 Status: Offline Sonork: KG state:prenormal Thanks Meter: 253	up for this thread..i have also semilar problem..but mine after recovery it will not connect to restore mode instead go back to dfu again..