專門整iPhone壞主板之你問我答(義士免費整iPhone)
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有位手足部iphone 7plus唔著機,拎比我整
唔著機既首先睇下電流
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
![](https://na.cx/i/UZahGc4.png)
一扣電就漏電600毫安,說明主板有短路既地方
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
而且係有ic開啓左保護機制既一個電流
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
![](https://na.cx/i/Jqncu8Y.png)
拆塊板出黎
扣電都係一樣既電流
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
鎖定係主板短路問題
![](https://cdn.lihkg.com/assets/faces/normal/hehe.gif)
短路既地方會發熱
而松香煙遇熱會溶
![](https://cdn.lihkg.com/assets/faces/normal/hehe.gif)
所以落松香煙再加電就會搵到短路既地方
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
![](https://na.cx/i/HDWHSpo.png)
雖然呢粒ic發熱,但短路既唔係佢,係佢後面既電路
![](https://cdn.lihkg.com/assets/faces/normal/hehe.gif)
![](https://cdn.lihkg.com/assets/faces/normal/hehe.gif)
佢就係今日既主角:3.6v變壓ic
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
佢主要功能有兩個
一. 有大電流短路果陣係前面擋住,保護後面電路
![](https://cdn.lihkg.com/assets/faces/normal/kill.gif)
二.當電池電壓低於3.6v既時候,佢就自動有個升壓作用,將3v-3.5v既電壓升番上3.6v,等我地粒電可以用得耐d
![](https://cdn.lihkg.com/assets/faces/normal/agree.gif)
呢個係我好鐘意既地方,而且係iphone 既過人之處
![](https://cdn.lihkg.com/assets/faces/normal/agree.gif)
![](https://cdn.lihkg.com/assets/faces/normal/agree.gif)
![](https://na.cx/i/uuYK5Nt.png)
![](https://na.cx/i/cBkQ1kY.png)
拆粒ic落黎,人手加錫短接呢兩點
就可以跳過保護功能,搵出真正短路既地方
![](https://cdn.lihkg.com/assets/faces/normal/agree.gif)
![](https://na.cx/i/a8DvgUM.png)
以上係顯微鏡既世界
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
短接後搵出直正短路既地方,換左佢
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
![](https://na.cx/i/6buN3CD.png)
裝個mon落去測試,成功開番機
![](https://cdn.lihkg.com/assets/faces/normal/angel.gif)
救番部iphone 7plus了
![](https://cdn.lihkg.com/assets/faces/normal/agree.gif)
![](https://cdn.lihkg.com/assets/faces/normal/agree.gif)
整機既巴打絲打可以tg或ig聯絡我,一律免費
Tg:https://t.me/IphoneMotherboardhk
Ig: iphonemotherboardhk