2023年12月3日发(作者：红米5plus手机)

Mate20系列TOP故障维修指引V1.0返回目录待机下电点测图全景图实物点测图待机下电点测表TOP面1R51091.8V电压名称测量点状态与参考值供电与待机状态VBUCK0_0V75C507开机后0.75V给U300供电，待机下电C1022VBUCK4_0V7C1147开机后0.7V给U300供电，待机下电2C10340.8V1.8VVBUCK5_0V81.35VC1028C10302.85VC1150开机后0.8V给U300供电，待机下电VBUCK6_0V7C436开机后0.7V给U300供电，待机下电VBUCK7_0V6C417开机后0.6V给U300供电，待机下电C10421.8VC10530.75VC20501.8VVOUT9_SDIO_1V8/2V95C473装SD后1.8V给U300供电，待机下电3C10121.2VVOUT11_USIM0_1V8C10401.09V/2V95C477装3G卡1.8V/装4G卡2.95V给U5701/U300供电，待机下电C11561.8VU1000VOUT14_2V85C1030射频开启后2.85V给U3502/J2901/U3803等供电，待机下电390.37VC10411.2V0.9VVOUT16_1V8/2V95C1039插SD卡后2.95V给J2804供电，待机下电VOUT17_CAM_AVDD2C1150C1020摄像开后2.8V给J2901/J2001供电，待机下电0.8V_2V8VOUT23_3V2C570开机后3.2V给U300等供电，待机下电10.54V1.8VVOUT2_1V8C1034开机后1.8V给U300供电，待机下电VOUT3_1V8C1042射频开启时1.8V给U3301/U3401/U3901等供电，待机下电C11470.7VC4170.6VVOUT4_1V8_LCD_IOC1044连接LCD后1.8V给J1701供电，待机下电C4351.8VC570VOUT5_1V8C435开机后1.8V给U300供电，待机下电3.2VC507C501VOUT7_1V8C1045开机后1.8V给U300供电，待机下电BOTTOM面0.75V0.8VVOUT18_1V8R5109开机后1.8V给U5100/U5701/U6001等供电，待机下电2.6VVOUT21_CAM_IOVDDC1048打开摄像后1.8V给J1901/J2002/J2001等供电，待机下电1.8V4_1V8VOUT26_1V7/1V35C1028开机后1.35V给U1000供电，待机下电J2903VOUT28_1V8C1049射频开启时1.8V给J2901/U3201/U3501等供电，待机下电12VOUT29_MCAM_AVDDC436C2050打开摄像后1.8V给J2001供电，待机下电0.7VC4771_1V8C4739101.8V1.8或2.95VLDO_BUFF_1V8C1036开机后1.8V给U1000供电，待机下电2VOUT30_0V75C1053开机后0.75V给U300供电，待机下电VOUT39_0V8C501开机后0.8V给U300供电，待机下电VOUT40_0V8C1022开机后0.8V给U300供电，待机下电VOUT1_1V09C1040射频开启后1.09V给U3301供电，待机下电VOUT25_1V25_LCD_VDDC1056连接LCD开机后1.25V给J1701供电，待机下电VOUT32_CAM_DVDD_1V1C1054摄像开启后1.1V给J2001供电，待机下电VOUT37_1V2C1041开机后1.2V给U300供电，待机下电1VOUT38_1V2C1012开机后1.2V给U1000供电，待机下电VOUT6_0V85C1027开机后0.85V给U300供电，待机下电4C10361.8VC10541.1VC10441.85VU1400C1049C10481.8V1.8VC1039C10452.95V1.8VC10270.85VC10202.8V返回目录2018/11/26第1页，共1页