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Rilasciato il 19 settembre 2014, è la versione con schermo più grande (5.5") dell'iPhone 6.

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What can I do to repair my 6Plus , vertical lines , no touch!

Hello

I need some help please , i have an iPhone 6 Plus which is broken , i tried to repair it myself ( have some experience with electrical repairs , not enough it seems ), it had the touch disease , i changed the IC Meson and reballed sewerall times the IC nothing worked,i changed even the display , it was the same and it was unressponsive to touch gestures and still the discolored vertical lines.

I gave up the self repair , so i brought it to a repair shop , the guy says that he changed all the component which are for the Touch and display , but still does not work , and it is like that even now , i'm looking at a phone that is busted . Please i need some advice where to start the troubleshooting , i can work with diagrams i even procured them , how to start the diagnose to find the problem ! I can't afford to buy a new one , and i'm stuck with a broken unit.

P.S. the M1 pad was broken so i replaced it with a jumper , hope it was done good , the L1 L2 pad i think witch are not connected are also missing . ( sorry for bad english not my first language . Apple store out of the question , we dont have one :P

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The L1 pad (CUMULUS_TO_SAGE_BOOST_CLK_EN) is absolutely required and it is also a relatively weak trace so you will want to properly jumper that pad.

The L2 pad is NC.

While you're at it, double check the surrounding area for any bridged or partially dislodged passive. You'll also want to check all of the phone functions once you done as sometimes the passives on the front side of the board , the ones underneath underfill, tend to float up and partially disconnect.

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i will try , but how can i jumper it so it stays there properly ? it is almoust in the the middle of the IC's place

da

The L1 pad is right on the upper edge of the IC, third one from the top left hand corner.

da

could it be that by my multiple attempts to reball the IC's , could be some other components unsoldered from the heat on the other side ? and if so are there any components that have anything to do with the image and touch functionality ?

da

This is actually a very typical side effect from a Touch Disease repair. There is a row of passive components on the front side of the board, just above the CPU shield but below the connector. They are all covered in epoxy. When too much heat is applied, the epoxy actually sucks the parts off the board. You'll have to remove the epoxy (use low heat) and check the components individually to see if they are solidly anchored into place. Re-solder the parts as necessary.

Refer to the schematic ad boardview to see what part of the circuit they control.

da

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Peter Ben sarà eternamente grato.
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