诺基亚X3-02 手机一发热触摸屏就失灵,这是什么情况?
推荐回答(2个)
,首先拆开机机,观察各部分的压痕,明显有压痕的地方用1000号左右的砂纸打平,我们的两个中一个是SIM卡附近的,一个是触摸屏排线上的,都处理了!(水货么,也许是装配不到位)
2、导热问题,这是个大问题,电源有的脚都变色了,难免由于高温而导致虚焊或者脱焊,幸亏有设备,吹补,这大家最好请专业班子去判断,剩下的就是怎么把CPU和电源的热量散发出去,大家知道,电脑的CPU过热都会导致运行缓慢甚至死机,何况手机的,主频还没电脑的百分之几却要运行那么多程序,出现假死机,关机重启后正常的,很可能与这有关,我的方法是用大小和CPU于电源块一样的铝块,用双面胶贴在她门上面,厚度正好是盖板与他们之间的间隙,然后盖上上面的大铁版,中间涂上导热硅胶,这样,他们的热就会直接从自身传给中间的铝块再传给最上面的铁版,我在铁版上还铺了软的金属弹簧,目的是在把这热量再传给液晶屏的屏座!这样即能为他们散热,也可以借助这热量蒸发触摸屏的潮气!
3、受潮问题,这个问题和过热类似,甚至有过之而不不及,真正的由于水的受潮还好处理,就象大家说的稍微烤下就行了,但事实不是这样,汗和身体的热气是罪魁祸首,加上手机触摸屏因为成本和体积的问题,多采用电容式触摸屏,简单的说就是在几层玻璃中铺上了规定值的电阻粉压成一个整体,由外界的力引起电阻发生变化而使起发生反应,(公共场合的一般是电阻式触摸屏,如银行的卡机、移动的自助查询系统等)..经过仔细观察小8的触摸屏边缘,明显的看得出线和玻璃的块数,在加上经常的按压,难免会是屏出现松动,所以我感觉他密封并不严,当水气与汗进入几层瓶的内部,聚集到一定的程度,肯定会改变里面电阻粉的阻值甚至短路,此时发生错位和失灵的现象就彻底解释清楚了。我的方法,当彻底把屏干燥后,分别用辣纸和透明胶封住屏的正反,只留下四边,然后用清漆(或别的油漆、密封性漆都行)喷在四周,用毛笔刷也行,这很关键,目的就是要他密封!此时注意一个细节,就是听筒部分,我们搞好的26台中有2台继续失灵,我怀疑与这个地方有关,可能忘记了涂那里了!千万记住,汗是含盐份的,过多的汗气进了触摸屏,聚集了一定的盐分,是根本无法排除的,所以,触摸屏和按键同时失灵的,不用想,这就直接换屏没错,我们遇到了的!虽然屏和按键的排线各不相干,但按键的失灵是由于屏引起的!当时拆下屏的排线按键就好了,装上就不行!当时就换了瓶,立刻就正常了...
总结:
1:第一次失灵的时候,我们都考虑的是排线松动、接触不好、系统BUG等,其实,排线不可能松动,他们不仅卡的很紧,而且有专门设计压住他们的东西,系统不敢说,毕竟经常在更新,但如果说失灵是由于系统引起的,我想三星的程序员门还没傻到这个程度,否则怎么大多数都没有失灵!
2:失灵后轻微烘烤是解决的最快最直接的方式,但不能彻底,除非你好了后特别注意使用方法和存放的环境!
3:首先说明,机器内部很难受潮的,本身密封的很紧,而且有一定的热量,即使轻微的受潮也没什么大的影响,主屏也是不会,即使我用水把它打湿了也没发现严重问题,所以,根还是在触摸屏!
4:记住3点,处理好过热假死机、密封好触摸屏的边缘包括听筒边缘、好的使用方法和存放的环境,至此,小8失灵彻底解决!!我们自己的2台以前一般最多3~5天就会,现在快2个月了,任何条件下,一次都没有过!
此方法是实践经验,供大家参考,希望大家有更好的方法出来!但我们要的是彻底断根的方法,不再讨论临时方案了!
我们交换过失灵和没失灵的主板与屏幕以及触摸屏,在排除过热假死的前提下,哪怕故意轻微打湿的主板都能让小8正常使用,而系统又是在主板上的,所以我觉得与ROM也无关,由此判断,百分之百都是瓶的问题,但大多数都没有坏,按上面方法处理后(除按键屏同时失灵的),全部恢复正常!我们甚至用自己的作过毁灭性试验也彻底通过。图片我怎么上不来呀
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