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sony d33没有声音

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Post time 2020-04-05 09:03:53 | Show all posts |Read mode
顾老师:sony d33之前都一直好好的,后来电位器有声音,拆下来清洗,后换上去,彻底没声音了,又从另一台D33换了一个好的电位器依然没声音,可能后边电路板下边垫了电线不小心短路了?现在光盘读盘正常,但是彻底没声音,能提供解决思路吗?谢谢。
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Post time 2020-11-25 18:14:35 From the mobile phone | Show all posts
先看lineout是否有声音。如果lineout有声音,要检查耳机输出到pcb,是否有电容失效或断路。如果lineout无声,就比较要查询mute电路是否工作了。希望帮到你。
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