NOVA3i 系列 TOP故障维修指引V1.1(1).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 0.43V 2.95V 0.54V 2.71V 26 17 6 0.61V 3.0V 25 22 21 0.55V 3.2V 0.35V 1.8V 0.37V 1.8V 27 0.34V 1.8V 0.34V 1.8V 0.34V 1.35V 24 10 23 15 0.39V 1.8V 0.38V 1.2V 16 0.34V 1.8V 0.44/0.81V 29 0.72V U1001 0.38V 1.8V 0.53V 3.43V 5 7 0.22V 0.6V 19 3 0.38V 1.8V 0.16V 0.7V 11 13 20 0.35V 0.9V 0.23V 0.8V 0.3V 1.89V 8 14 0.42V 0.7V 0.27V 0.8V 12 0.28V 1.2V 0.23V 1.12V 18 9 1 0.37V 1.8V 全景图 TOP面 2 3 BOTTOM面 1 2 3 0.37V 1.8V 2 28 0.35V 0.89V 30 0.37V 0.9V 2.12V 1.8V 4 PWR_HOLD PMU_RST_OUT_N (SYS_RST_N) SOC_RST_PMU_N (POR_RST) PWRON_N VOUT_PMUA (LDO_PMUA) OUT_PMUH (LDO_PMUH) VOUT34_3V45 (LDO34) VBUCK3_1V95 (BUCK3) VBUCK2_1V2 (BUCK2) OUT26 (LDO26) VOUT0_0V8 (LDO0_1) VBUCK0_0V8 (BUCK0) VOUT30_0V8 (LDO30) VBUCK4_0V8 (BUCK4) VOUT2_1V8 (LDO2) VOUT18_1V8 (LDO18) VOUT24_2V8 (LDO24) VBUCK1_1V12 (BUCK1) VOUT37_0V6 (LDO37) VOUT6_0V9 (LDO6) VOUT5_1V8 (LDO5) VOUT27_1V8 (LDO27) VOUT36_1V2 (LDO36) VOUT29_1V8 (LDO29) VOUT23_3V2 (LDO23) VOUT15_2V95 (LDO15) LDO_BUFF (LDO_BUF) SYS_CLK_19M2 ABB_CLK_38M4 SYS_CLK_32K (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 返回目录 R1217 0.37V 1.8V 1 C1401 0.37V 1.8V C1221 0.38V 1.8V J2904 2.12V 1.8V C1001 0.38V 1.8V C1008 0.54 2.71V C1037 0.53V 3.43V C1123 0.3V 1.89V C1124 0.28V 1.2V C1044 0.34V 1.35V C1046 0.16V 0.7V C1127 0.27 0.8V C1033 0.23 0.8V C1122 0.42V 0.7V C1038 0.39V 1.8V C1009 0.34V 1.8V C1019 0.61V 3.0V C1125 0.23V 1.12V C1022 0.22V 0.6V C1047 0.35V 0.9V C1040 0.37V 1.8V C1013 0.35V 1.8V C1006 0.38V 1.2V C1045 0.34V 1.8V C1018 0.55V 3.2V C1034 0.43V 2.95V C1015 0.34V 1.8V C701 0.35V 0.89V C1201 0.44V/ 0.81V 瞬时电 压0.72V C704 0.37 0.9V 2019/3/21 第7页，共74页