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TCL液晶电视L26F19有图像.R声道有杂音.L声道正常(已修复).

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Post time: 2020-3-25 17:19:06
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TCL液晶电视L26F19有图像.R声道有杂音.L声道正常(已修复).主板40-MTK23L-MAF2XG.R声道有杂音.L声道正常我在想不可能是功放电路毛病.我测量U601(RC4558)1脚4.5V..2脚4V..3脚3.5V..4脚0V..5脚3.5V..6脚5V..7脚6V..8脚8.3V..看图纸U601..1脚和7脚..2脚和6脚.他们的电压差不多.实测他们的电压不一样.我换U601(RC4558)毛病一样.然后我换C16开机R声道正常.现在在试机中.

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Post time: 2020-3-25 21:54:50
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谢谢楼主的分享,论坛有你更精彩...
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