14英寸银星牌黑白电视机伴音电路,是使用一块LSC1008P(或LM3656N)集成块作伴音前置放大的,由于设计不妥供给电压过高,很容易将集成块LSC1008P损坏。这种集成块在市场上颇为少见,为了解决这个困难,这里介绍一种用TBA120S代换应急的办法。这种方法经多次代换试验,具有线路简单明了、维 14-inch Silver Star black and white TV sound circuit is the use of a piece of LSC1008P (or LM3656N) block for sound pre-amplification, due to improper design to the voltage is too high, it is easy to damage the block LSC1008P. This block is quite rare in the market, in order to solve this difficulty, here to introduce a method of replacing emergency with TBA120S. This method after many replacement test, with the line is simple and clear, Victoria