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Jessa_the_Professa commented on TiptonRepair's reply to iPhone XR not charging - Tristar tester passesWhat ic is it--and what called it to your attention? How have you determined that it is a failure point?
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Jessa_the_Professa commented on TiptonRepair's reply to iPhone XR not charging - Tristar tester passesWhat is the identity of the chip that you intend to replace, and why are you replacing it?
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Jessa_the_Professa commented on TiptonRepair's reply to iPhone XR not charging - Tristar tester passesThis is a picture of tigris 2 overlaid on top of some other chip that I don't recognize.
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This could be the pin--think of the u-shaped structure of the pin. Push the plastic behind the pin to squeeze it back into position. If not the pin,...
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When you have a potential short, you want to use your multimeter---avoid "see hot, replace hot" technique---that will make the picture of the...
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I would start by using diode mode in the connector for the fcam assembly paying attention to any lines with PROX in the name. Compare to known good,...
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You always compare to known good, or ask a friend, keep a database, find some limited diode mode readings in zxw, use iBridge, or make an assumption....
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Jessa_the_Professa commented on TiptonRepair's reply to iPhone XR not charging - Tristar tester passesFeel free to post a picture "much larger than my last order" ???
Tigris 2 is a square chip that is noticeable because it has a "missing...
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Jessa_the_Professa commented on TiptonRepair's reply to iPhone XR not charging - Tristar tester passesYou're replacing tigris2, which is U3300 on the XR schematic. Tigris 2 chip is the one that looks like it has a missing ball in one spot.
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Rule #1--you don't have a board problem until you know you don't have a parts problem. You need to put the board with a KNOWN GOOD iPhone X screen,...
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Jessa_the_Professa commented on GuruFix's reply to iPhone 7 Plus and iPhone 8 Plus touchscreen issuesI think you should try the latest version of premium aftermarket screens. Most customers can not distinguish modern aftermarket screens from OEM. Try...
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It is possible that it could be something else, but if the device had service before and now doesnt and it got audio ic----the next step is to reball...
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In what way are aftermarket screens lacking in comparison to OEM? In the past aftermarket was clearly inferior, but is that really true today? If so---what...
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