When you touch the VDD voltage, you question Q2300 again and use touch detection tricks to identify the affected components (capacitors in the purple cell can be removed, the IC in the red box must be replaced). After the sentence, turn the power supply to 0 and increase slowly and start to feel the capacitor or hot IC is isolated.
Note: When touching VDD Main, remove Q2300 from C123 with B123 pins.
See also: LCD iPhone 6s
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Search keyword: 6s touches PP_CPU, 6s plus touches VCC_MAIN, iPhone 6s plus touches PP_VCC_MAIN, iPhone 6s touches vbat, 6s touches VCC_MAIN, iPhone 6 Plus touches PP_VCC_MAIN, iPhone 6S touches secondary pressure, iPhone 6 touches primary pressure.
Good luck!
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