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1.索尼KV—1882彩电采用自动搜索时定不住台,手动搜索调台正常,但不记忆。故障分析:自动调台时,如果微处理器接收到由同步分离电路送来的同步信号(或反映同步信号已经存在的某一电平值)和由中放电路送来的正确AFT电压值,则微处理器判定此时接收到电视信号而暂停搜索过程。如果上述两个条件没有得到满足,则即使在调台过程中搜索到电台,微处理器也判定没收到信号而不停止搜索。存储器能否存储有关数据除微处理器和
1. Sony KV-1882 color TV with automatic search can not stop the station, manually search the transfer station normal, but do not remember. Fault analysis: automatic tuning, if the microprocessor receives the synchronization signal sent by the synchronization separation circuit (or reflect the synchronization signal has a certain level of value) and sent by the discharge circuit correct AFT voltage value, The microprocessor determines that the television signal is received at this time to suspend the search process. If neither of the above conditions are met, the microprocessor determines that no signal has been received without stopping the search, even if the station was searched for during station tuning. Memory can store data except microprocessor and microprocessor