Safety Precautions Repair Precaution Repair in Shield Box, during detailed tuning .Take specially care of tuning or test, because specificity of cellular phone is sensitive for surrounding interference(RF noise). Be careful to use a kind of magnetic object or tool, because performance of parts is damaged by the influence of magnetic force.
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VTCXO_PMU Connect TSX/XTAL GND Close to each other and nearby X601 U3-D to GND_AUXADC first than connect to main GND C128 470nF AVDD28_VTCXO D1...
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MT6571 support JTAG from below : [9] EINT_ALPXS 1. KP (recommand) AUX_IN0 2. MC1 SCL_1 [3,8,9] 3. CAM HW trapping PIN for JTAG debug from KP(serial) SDA_1 [3,8,9] for JTAG pin out from MC1/CAM, refer VIO18_PMU to HW design notice KROW0 Close to BB 5.1K/1%...
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