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故障现象:机子不能重放DVD光盘。故障原因判断:验证故障时发现,该机重放CD和VCD光盘正常。根据现象分析,问题可能出在DVD激光头组件。
Symptom: The machine can not play DVD disc. Judgment of the cause of the malfunction: verification failure found that the machine playback CD and VCD discs normal. According to the phenomenon analysis, the problem may be DVD laser head assembly.