A1200听筒无声不送话,之维修方法

[wjfeng98]

A1200听筒无声不送话,同时出现不送话听筒无声多为耳机插口故障,于是先测J902的3脚5脚、4脚6脚都通路没有断开，再测2脚，电压在1.7V到0V间跳动，正常情况下J902的2脚在不插耳机时电压应为2.8V,插入耳机后被拉低为0V.于是怀疑FL901出了故障,摘去换新的后2脚电压正常.

 

[en_19851118]

以后有遇到一定用，我先顶了

 

[力争]

顶顶 顶 [s:70] [s:70]

 

[zhanghy3036]

[font=黑体]文字[/font] [s:59] [p:5]

 

[bandle]

好东西~~~~~~~~

 

[张小胖]

[s:59] [s:59] [s:59] [s:59] [s:59] 不错

 

[xiaoxifeifei]

[s:87] [s:87] [s:87]

 

[soholm]

[s:72] [s:72] [s:72] [s:72]
好 测量的很仔细

 

[liangqin]

[s:59] [s:70] [s:70] [s:70] [s:70] [s:70] [s:70] [s:70]

 

[xiaoxinxia]

[s:76] [s:76] [s:76] [s:谢谢了

 

[donghai19]

以后有遇到一定用，我先顶了

 

[yaliang]

谢谢分享，支持一下！！！！！

 

[sxyxcwh]

谁知道能不能飞线啊 》？]

 

[7902]

好东西~~~~~~~~ [s:88]

 

[ajiu1201]

好东西~~~~~~~~经典

 

[冰之恋]

直接短接耳机也可以解决

 

[dhgogo]

[s:76] [s:76] [s:76] [s:76] [s:76] [s:76]

 

[zhzhlem]

我先顶了 [s:58]

 

[9533953]

[s:72] xian ding zai shuo

 

[zhoubojay]

高手`了` 顶 [s:76]