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iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides. |
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12-12-2016, 20:42 | #1 (permalink) |
No Life Poster Join Date: Jun 2004 Location: sure...not at heaven... Age: 56
Posts: 655
Member: 67494 Status: Offline Thanks Meter: 71 | iphone 6 touch screen freeze..but... i explain... iphone 6 sometimes works,then freeze or start commands itself, changed display set and all same, i try whit another one and works good,so i fix home key,screws,front cam whit audio and sensors. i try and...touch freezed , make me crazy, i try to use old display and it works so step by step i understand the touch screen works only if the front camera flat is detached from board changed flat camera and is the same,phone freeze and cant use touch screen, tryed to isolate contacts,components and nothing. what i can do for solve? no teardown,no water,all original parts. thnk friends. ps the touch screen works again after remove the front camera flat only if shut off the screen or disconnect and reconnect battery. |
12-12-2016, 21:40 | #2 (permalink) |
Freak Poster Join Date: Dec 2014 Location: PCB
Posts: 315
Member: 2320407 Status: Offline Thanks Meter: 88 | Your problem is easy with me ! your problem is (TOUCH Freeze or stuck when connecting FRONT CAM) why ? you have problem in synchronization between CUMULUS IC CHIP and proximity all this is found in these SIGNALS 1-CUMULUS_TO_PROX_RX_EN_1V8 2-PP1V8_GRAPE so to sum up check the following: 1-C1158 1-FL1158 they are linked to PIN number 25 from J1111 then test R2405 this is very important it's responsible to SYNC between Proximity sensor which is on FRONT CAM FLEX and CUMULUS TOUCH IC See the following photos they must have 1.8 VOLT when testing with multi-meter ! 1-CUMULUS_TO_PROX_RX_EN_1V8 CUMULUS_TO_PROX_RX_EN_1V8 2-PP1V8_GRAPE Adonis IRAQI was here Kind Regards Last edited by ctccellulaire; 12-12-2016 at 21:49. |
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