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TSD-10型中波数字调幅广播发射机,是上海明珠广播电视科技有限公司研制开发的一种运用数字技术进行调幅广播的全新的中波广播发射机。该机完备的控制、检测和保护系统,大大地提高了发射机的工作稳定性和可靠性。我台于2004年初购进了两台该型发射机,在近一年的使用中,我们陆续处理了该机一些故障。今从原理上就该机较为独特的风机监测电路的一例故障处理做一剖析,供各同行参考。
TSD-10 medium wave digital amplitude modulation broadcasting transmitter is a brand new medium wave broadcasting transmitter developed by Shanghai Pearl Broadcasting and Television Technology Co., Ltd., which uses digital technology to carry out amplitude modulation broadcasting. The aircraft complete control, detection and protection system, greatly improving the transmitter’s work stability and reliability. I Taiwan in early 2004 purchased two of the transmitter, the use of the past year, we have one after another to deal with some of the aircraft failure. This principle from the principle of the machine is more unique fan monitoring circuit to do an analysis of the failure to deal with for the reference of their peers.