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接修数台日立牌T—93U型黑白电视机,均发生同一故障现象,无光栅、无伴音的故障。该机型线路采用日本日立公司的3片HA型集成芯片和2片KC型集成芯片配合外围电路共同组成一部黑白电视机。
Then repair several Hitachi T-93U black and white TV sets, the same phenomenon occurred, no grating, no sound fault. The model line by Japan’s Hitachi’s three HA-type integrated circuits and two KC-type integrated chips with peripheral circuits to form a black and white TV.