荣耀V9系列通用 TOP 故障维修指引V1.7(1).xlsx 返回目录 上电时序图 信号脚 量测点对 应序号 电压 实物点测图 GPIO_176_PMU_PW R_HOLD PMU_RST_SOC_N (SYS_RST_N) SOC_RST_PMU_N (POR_RST) PWRON_N BUCK_BOOST_EN VOUT_PMUA (LDO_PMUA) VBUCK3_2V15 (BUCK3) VBUCK2_1V45 (BUCK2) VOUT26_1V8 (LDO26) VOUT0_0V8 (LDO0_1) VBUCK0_0V8 (BUCK0) VBUCK4_0V8 (BUCK4) VOUT29_1V2 (LDO29) VOUT2_1V8 (LDO2) VOUT24_2V8 (LDO24) VBUCK1_1V1 (BUCK1) VOUT0_0V8 (LDO0_2) VOUT30_0V8 (LDO30) VOUT29_1V2 (LDO29) VOUT7_1V8 (LDO7) VOUT5_1V8 (LDO5) VOUT23_3V0 (LDO23) VOUT8_1V8 (LDO8) VOUT10_3V2 (LDO10) VOUT15_3V0 (LDO15) VOUT13_2V85 (LDO13) VOUT27_2V4 (LDO27) SYS_CLK (SYS_CLK_19M2) ABB_CLK_19M2 CLK32_SYS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 C1214 1.8V / / 1 C1201 1.8V R2905 1.8V R1224 3.5V～ 4.1V C1007 3.0V C1142 2.15V C1141 1.45V C1039 1.8V C1025 0.8V C1145 0.8V C1147 0.8V C1011 1.2V 2 C1009 1.8V C2701 2.8V C1107 1.1V C1025 0.8V C1031 0.8V C1011 1.2V C1010 1.8V C1012 1.8V 5 3.5V～4.1V 1.8V-9 1.8V-20 2.4V 27 22-3.0V 24-3.2V 6-3.0V 26-2.85V 10/17-0.8V 11-0.8V 12-0.8V 3-1.8V 1-1.8V 16-1.1V 18-0.8V 13/19-1.8V 25-1.8V 23-1.8V 2.15V-7 8-1.45V 29 0.9V 28-0.9V 21-1.8V 14-1.8V 30-0.9V C1016 3.0V 3 4 C1013 1.8V C1014 3.2V C1022 3.0V C1020 2.85V C1045 2.4V R1221 0.9V C1212 0.9V C1203 0.9V 4-1.8V 15-2.8V 返回目录 全景图 TOP面 2 3 BOTTOM面 1 4 2019/3/20 第7页，共47页