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零件编号 | LV1116 | ||
描述 | LV1116 | ||
制造商 | ETC | ||
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3.3 LV1116
适用机芯:创维 6D96 机芯(也可供 6D95、6D97 机芯参考)。
检修要点:
(1)本电路是音频信号切换及伴音处理控制电路。
(2)对于无声故障,可先将 LV1116 输入输出脚短路(确认后级要正常)。如有正常声音,
说明故障与此电路有关(LV1116 不一定有故障)。接着检查 LV1116 供电引脚是否正常,各引
脚的外围元器件是否正常(可断开除供电、I2C 总线、本机输入输出外的引脚)、LV1116 是否正常、
I2C 控制是否正常(包括微处理器、存储器、I2C 总线的负载)。
(3)如声音小,声音失控,声音沙哑,应检查 LV1116 本身和软件控制。
(4)如声音断续,主要检查信号是否标准,软件控制是否正常(含 I2C 总线是否受电磁干扰)。
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页数 | 1 页 | ||
下载 | [ LV1116.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
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LV1116 | LV1116 | ETC |
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