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Old 09-25-2018, 14:48   #6 (permalink)
7Axis
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Thanks for the reply, however I think the issue is definitely hardware considering that PP_VSW_S1 has no voltage, PP_VSW_S2,S3,S4 and S5 all have proper voltages although, therefore BBPMU_TO_PMU_AMUX1 has no voltage either, if I remove the coil L5601_RF there still is no voltage being produced by PP_VSW_S1, therefore it tell me that the Baseband CPU isn't bringing the line down since PP_VSW_S1 (I think) originates from Baseband PMU, also PP_1V0_LDO9 has no voltage (very close to the PP_VSW_S1 pads) is that enough to conclude the Baseband PMU is defective?

I have a 250 ohms resistance on the PP_VSW_S1 line, can anyone take a working board and tell me the resistance they have??

Last edited by 7Axis; 09-25-2018 at 14:55.
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