失压保护检测待机控制STB过压保护检测保护检测FSDH321检修时拔去除电源的所有插线,STB接地,空载测三组电压,看问题在那组。
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松下TC-33GF85G彩电电路原理图_松下彩电TC-33GF85G电路图.pdf
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TCL NT21F4N-1506P彩电原理图_TCL-NT21F4N图纸TEA1506P.pdf
TCL NT21C06S彩电原理图_TCL NT21C06S彩电.pdf