HUAWEI TECHNOLOGIES CO., LTD.
Page 37
4.11.2 Troubleshooting Charging Faults
Charging fault is usually caused by some minor problems. For example, the problems include
soldering of the component and battery problem (caused by the low battery voltage). After the
battery cross-test and measuring of the signals of the charging circuit are done, the problem will
normally be solved.
4.11.3 Maintenance Instances
In the case of no charging, replaced the battery, the problem remained. Measuring VCHG is 2V. In the end, the
test showed that it was due to poor soldering of CN701.
To Next Page
Loading...
