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一、电源部分的应急修理这部分可分为变压器类和电路类。在代换电源变压器时,只要机壳内装得下,可用大功率的代小功率的。采用合适的稳压电路后(如用MC7800系列稳压集成电路),用次级输出电压高的代低的。单、双组同功率、同电压变压器,只要稍改动一下整流电路也可互换。新旧变压器安装方式不一样时,只要机内装得下,且不会干扰电路,那么新变压器装在哪里,怎么装,都可随心所欲。在电路方面,有些稳压二极管损坏后,可将废管拆除,并适当增大限流电阻,使输出电压相应降低,从而维持电路工作。废硅三极管(必须有一个结完好)的集电结或发射结的结电压为0.6～0.8V。所以,
First, the power part of the emergency repair This part can be divided into categories of transformers and circuits. In the replacement of power transformers, as long as the shell is built-in, available on behalf of low-power high-power. After using the appropriate regulator circuit (such as using MC7800 series regulator IC), with the secondary output voltage high on behalf of the low. Single, double with the power, the same voltage transformer, rectification circuit as long as a little change can be interchangeable. New and old transformer installation is not the same, as long as the machine was installed inside, and will not interfere with the circuit, then the new transformer installed where, how to install, can be arbitrary. In the circuit, some Zener diode damage, the waste pipe can be removed, and appropriate to increase the current limiting resistor, the output voltage is reduced, so as to maintain the circuit. The silicon junction transistor (must have a good junction) collector junction or junction of the emitter junction voltage is 0.6 ~ 0.8V. and so,