2023年12月11日发(作者：熊思迪)
Charlotte-AL00C&AL00D&TL00C TOP故障维修指引 返回目录前摄像故障全景图维修流程图实物测量点TOP面前摄像故障14目检J2002及相关元件外10/12/14/22/24观是否OKN更换不良元件二极体均为二极体为0.54V0.32/2T2013T2015T2011T2014T2012二极体为BOTTOM面0.61V224交叉摄像头验证主板是否OKY结束J20021233N1.1量测J2002PIN7/9/10/11/12/13/14/N排除T2011-T2015不良后7/9/11/13/15/6/20/21/23215/16/17二极值是否OK更换U1905二极体均为二极体为
0.54V(0.80/0.77/0.75/0.75VY2.量测4.C1045U1000ISP_CLK1_SCAM(PIN6)GPIO_032_SCAM_RST_N(PI排除小料损坏后更换N20)NU3002电压为1.1V3ISP_SDA1(PIN21)ISP_SCL1(PIN23)二极体值是否OK
Y5.R20043.测量4.C1033两端电压均为VOUT13_CAM_AVDD_2V8(PI1.8VN2)VOUT20_MCAM_DVDD1_1V1(N排除小料损坏后更换电压为U10001.8VJ2002PIN22)VOUT21_CAM_IOVDD_1V8(PIN24)二极体值是否OKYU10004.打开摄像头测量4.C1014VOUT13_CAM_AVDD_2V8(C1电压为014)N更换2.8V5.R2005VOUT20_MCAM_DVDD1_1V1(U1000C1045)两端电压均为VOUT21_CAM_IOVDD_1V8(C1.8V1033)电压是否OKYU10005.开机测量ISP_SDA1(R2004)N排除R2004/R2005后依次ISP_SCL1(R2005)更换U1000/U300电压是否OK
4YU1905依次更换J2002/U1000/U1905/U300返回目录2019/3/22
第30页，共47页
2023年12月11日发(作者：熊思迪)
Charlotte-AL00C&AL00D&TL00C TOP故障维修指引 返回目录前摄像故障全景图维修流程图实物测量点TOP面前摄像故障14目检J2002及相关元件外10/12/14/22/24观是否OKN更换不良元件二极体均为二极体为0.54V0.32/2T2013T2015T2011T2014T2012二极体为BOTTOM面0.61V224交叉摄像头验证主板是否OKY结束J20021233N1.1量测J2002PIN7/9/10/11/12/13/14/N排除T2011-T2015不良后7/9/11/13/15/6/20/21/23215/16/17二极值是否OK更换U1905二极体均为二极体为
0.54V(0.80/0.77/0.75/0.75VY2.量测4.C1045U1000ISP_CLK1_SCAM(PIN6)GPIO_032_SCAM_RST_N(PI排除小料损坏后更换N20)NU3002电压为1.1V3ISP_SDA1(PIN21)ISP_SCL1(PIN23)二极体值是否OK
Y5.R20043.测量4.C1033两端电压均为VOUT13_CAM_AVDD_2V8(PI1.8VN2)VOUT20_MCAM_DVDD1_1V1(N排除小料损坏后更换电压为U10001.8VJ2002PIN22)VOUT21_CAM_IOVDD_1V8(PIN24)二极体值是否OKYU10004.打开摄像头测量4.C1014VOUT13_CAM_AVDD_2V8(C1电压为014)N更换2.8V5.R2005VOUT20_MCAM_DVDD1_1V1(U1000C1045)两端电压均为VOUT21_CAM_IOVDD_1V8(C1.8V1033)电压是否OKYU10005.开机测量ISP_SDA1(R2004)N排除R2004/R2005后依次ISP_SCL1(R2005)更换U1000/U300电压是否OK
4YU1905依次更换J2002/U1000/U1905/U300返回目录2019/3/22
第30页，共47页