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中波激励器“跑频”故障检修一例冉延明（黔江广播电视局６４８７００）机型：哈广ＧＺ（Ｚ）一１—ＩＶ型中波发射机。故障现象：激励器显示频率为１４２７ｋＨＺ，与该机发射频率１５２１ｋＨＺ相差甚远。故障时，掉电后重新开启电源时，其显示频率从１２６６ｋＨｚ缓慢...
Medium wave exciter “running frequency” troubleshooting a case Ran Yanming (Qianjiang radio and Television Bureau 648700) Model: Ha Kwong GZ (Z) a 1-IV-wave transmitter. Symptoms: Exciter display frequency of 1427kHZ, and the aircraft firing frequency 1521kHZ far. Failure, power-off after the power is turned back, the display frequency from 1266kHz slowly ...