夏普SP-41机芯保护电路原理与维修(一)
mag(2012)
Abstract
<正>夏普SP—41机芯I2C总线系统主控电路微处理器ICl001采用IX2504CE,存储器ICl002型号为IX2448CENl,被控集成电路有:解码/行场小信号处理集成电路M52343SP、伴音处理集成电路UPC1853等。适用机型有:夏普21NFl等小屏幕彩电。夏普SP—41机芯开关电源采用以振荡、稳压电路
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