mctwudd 发表于 2011-8-15 02:06:13

26S15HM-8M20-搜台少经测高频头5V供电及总线电压正常,后测调谐电压33V低只有11V,经测33V升压电路D30(1N4148)正极也只有11V正常32V,后测Q44(C1815)集电极供电电阻R53(10殴)电阻变大更换后故障排除.
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