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2014년 9월 19일에 출시된 이 4.7” 스크린 iPhone은 iPhone 6 Plus의 작은 버전입니다. 모델 번호 A1549, A1586 및 A1589로 식별됩니다.

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Testing Point On iPhone MotherBoard..

hi every one.. anybody can tell me plz, the usage of TP testing point on Iphone MB.

Cuold u plz give some example.. Thanks

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Umer muhammad just to clarify. Your question is for an iPhone 6 logicboard?

@oldturkey03 .. thanks a lot.. but Leeopie respond my answer.. I want to know only the type of use of these test points.. but now all is clear :) thanks

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Hey bud,

There are many test points on an iPhone motherboard and all test different parts of the board. I use them to test correct voltages or to repair damaged tracks/lines by running jumpers to them.

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Thanks a lot :) So for Example.. if i test with multimeter on iphone 6 Board on TP2518.. (PP_LCM_BL_CAT1_CONN = 0,2 volt) i have 0,2 voltage on my multimeter if averything is right???

Cuold u plz give me one example, when these points are useful for check if the track is broken or not? thanks a lot @Opie

Yes bud that’s correct. Also 1 way to use a test point to bypass tracks are, sometimes iPhones have a searching/no sim fault. This can be (but not always) the bb_cpu where pads U1 and P1 get damaged as they are on the flexible part of the board. Pad P1 can then be jumped round the board to PP3171 and U1 to PP3147. Otherwise you would have to jump a wire underneath other ic’s.

Thanks Lee... :))

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