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求助！帮朋友修sony KV32-V25电视, 开机后有声音没图象,无行频声,灯丝不亮,面板上Stand by灯以1Hz闪亮. 简单测开关电源输出, 低压9V, B高压138V均正常.怀疑系统控制单片机控制扫描电路的输出异常. 请教高手并求电路图.
eglington
(eglington)
(#219498@0)
Last Updated: 2001-10-9
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求助！帮朋友修sony KV32-V25电视, 开机后有声音没图象,无行频声,灯丝不亮,面板上Stand by灯以1Hz闪亮. 简单测开关电源输出, 低压9V, B高压138V均正常.怀疑系统控制单片机控制扫描电路的输出异常. 请教高手并求电路图.
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