該gai係xi統tong安an裝zhuang在zai監jian控kong機ji房fang控kong製zhi桌zhuo麵mian上shang,當dang設she備bei出chu現xian故gu障zhang時shi,係xi統tong既ji能neng將jiang傳chuan輸shu信xin號hao自zi動dong倒dao換huan到dao正zheng常chang工gong作zuo的de設she備bei上shang,又you能neng指zhi示shi出chu現xian故gu障zhang的de具ju體ti位wei置zhi,也ye可ke以yi人ren工gong倒dao換huan主zhu備bei信xin號hao。經jing過guo實shi際ji應ying用yong證zheng明ming:該係統具有自動化程度高、處理故障迅速、指示故障部位準確等優點,為安全播出提供了極大便利,符合廣電總局提出的“不間斷、高質量、既經濟、又安全”的技術維護總方針。
調製器接口中3腳的普通故障包括內部直流電源故障,內部IOMHz振蕩器、70MHz振蕩器、10MHz振蕩器故障,外部晶振參考故障,時鍾鎖相故障以及總電源故障等等。5腳的接口故障會因工作時間的延長而劣化,加上其主要微波器件GaAschangxiaoyingguanshejishoumingtongchangdouzaibaiwanxiaoshiyishang。youqishigutaigongfangneibudoushijigefangdaqibinglianshiyong,jishiqizhongyibufenchuxianguzhangshiyebuhuizaochenggonglvchedizhongduan,suoyigutaigongfangdezhengtikekaoxingyuanshengyuchuantongdexingboguan、速調管放大器。
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