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故障现象爱立信388手机，开机后显示屏就被黑色的小方格占满，但能够通话。分析检修这类故障大多是显示屏前端滤波部位有问题。取出显示屏，用漆包线将海绵状物体下的6个焊点，与显示屏的6只脚—一对应连接。这样，显示信号使越过损坏的滤波元件，直接送到显示屏上，恢复正常显
Symptoms Ericsson 388 phone, boot screen was black small squares filled, but able to call. Analysis and troubleshooting of such failures are mostly front-end display filter problems. Remove the display, with the enameled wire sponge under the 6 solder joints, and the display of the 6 feet - a corresponding connection. In this way, the display signal over the damaged filter components, directly to the display, back to normal