Charlotte-AL00C&AL00D&TL00C TOP故障维修指引 V1.0.xlsx 返回目录 上电时序图 信号脚 量测点对 二极 应序号 体 电压 实物点测图 全景图 TOP面 2 0.33V 1.95V 7 0.34V 1.8V 0.37V 1.8V 24 21 29 26 25 0.29V 1.8V 15 0.35V 1.8V 0.28V 1.8V 0.34V 1.35V 9 0.36V 1.8V 0.38V 1.2V 28 22 23 0.38V 2.95V 0.33V 1.8V 0.29V 1.8V 14 0.6V 1.8V 1 U1000 0.51V 2.9V 0.2V 1.2V 6 16 0.51V 3V 8 13 0.39V 19 0.25V 0.6V 0.23V 0.75V 18 0.3V 0.75V 10 2 0.35V 1.8V 0.37V 1.8V 3 U300 0.09V 1.1V 0.3V 0.67V 17 12 27 0.59V 3.2V 20 0.35V 0.85V BOTTOM面 1 3 PWR_HOLD PMU_RST_OUT_N (SYS_RST_N) SOC_RST_PMU_N (POR_RST) PWRON_N VOUT_PMUA_1V8 (LDO_PMUA) VOUT35_CODEC_2V9 (LDO35) VBUCK3_1V95 (BUCK3) VBUCK2_1V2 (BUCK2) VOUT26_1V7/1V35 (LDO26) VOUT0_0V75 (LDO0_1) BUCK0 VBUCK4_0V75 (BUCK4) VBUCK6_0V75 (BUCK6) VBUCK8_1V8 (BUCK8) VOUT18_1V8 (LDO18) VOUT24_3V0 (LDO24) VBUCK1_1V1 (BUCK1) VOUT30_0V75 (LDO30) VBUCK7_0V6 (BUCK7) VOUT6_0V85 (LDO6) VOUT7_1V8 (LDO7) VOUT5_1V8 (LDO5) VOUT27_1V8 (LDO27) VOUT36_1V2 (LDO36) VOUT29_1V8 (LDO29) VOUT8_1V8 (LDO8) VOUT23_3V2 (LDO23) VOUT15_2V95 (LDO15) LDO_BUFF_1V8 (LDO_BUF) SYS_CLK (SYS_CLK_19M2) ABB_CLK_38M4 PMU0_CLK32_SYS (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 31 32 返回目录 C1202 0.6V 1.8V C1101 0.35V 1.8V 1 5 0.38V 1.8V C1205 0.37V 1.8V TP3035 2.65V 1.8V TP3083 0.38V 1.8V C1024 0.51V 2.9V C1145 0.33V 1.95V C1143 0.2V 1.2V C1034 0.34V 实际 1.35V C1048 0.3V 0.75V / / / C1147 0.3V C1151 0.39V 实际 0.67V 实际量 不到值 C1155 0.29V 1.8V C1032 0.29V 1.8V C1020 0.51V 3V 2 C1139 0.09V 1.1V C1054 0.23V 0.75V C1153 0.25V 0.6V C1050 0.35V 0.85V C1030 0.37V 1.8V C1028 0.33V 1.8V C1035 0.36V 1.8V C1038 0.38V 1.2V C1037 0.35V 1.8V C1031 0.28V 1.8V C1019 0.59V 3.2V C1413 0.38V 2.95V C1042 0.34V 1.8V / / / C1208 0.44V/ 0.78V 瞬间 0.9V / / / 0.44V 0.78V 0.9V 31 4 2.65V 1.8V 3 L E D 1 9 0 1 2019/3/22 第7页，共47页