If you tried to replace your iPhone broken screen and accidentally broke connector #3 (FPC), it’s still possible to fix it without using a heat gun or a work station.
The components on modern logic boards are called Surface Mounted Devices (SMD). They do wonders with modern gadgets by making your smartphones small, lightweight, consuming less power etc. However, if one of these components are broken, it’s a challenge to replace it, especially if it involves soldering.
If you accidentally broke the delicate FPC (connector #3), you will have a problem with your earpiece and proximity sensor. You can easily get a replacement from third party vendors part replacing it will require some good soldering skills and a lot of patience.
Some of the most popular questions we get about fixing logic boards:
- What is the best tool to use to remove SMD without breaking other components on the logic board?
- What is the ideal temperature to remove an SMD?
Today, we will reveal to you one of the best tools you need to make all your soldering work manageable – the ChipQuik SMD1 Low Temperature Removal Kit.
With this alloy it allow you will only need a soldering iron to accomplish surface mount repair easily which normally require heat gun, IR rework station and years of soldering experience.
The concept is simple since normal lead based solder on the board have a melting temperature at 240 degree Celsius.
CHIP QUIK Desoldering Alloy have a much lower melting temperature of ~58 degree C, therefore by mixing (dilute) the two alloys together you get a melting temperature some where in between and closer to 58 degree C which allow you time to desolder complex surface mount component like FPC connector or socket connector off the board safely and effortlessly.
It helps removes 8-10 SMD’S (components).
By reducing the rework soldering temperature:
- This special alloy will significantly reduced you solder rework soldering temperature.
- Prevent heat related damaged to the copper pads on board.
- Protect potentially heat damage to neighboring components or small chips.
Some Basic Instructions (with soldering iron or heat gun)
- Apply flux to all leads.
- Melt alloy uniformly on all pins (you need the temperature to be high enough to actually melt the original leads at least once in order to get the desired result as described).
- Maintain alloy in molten state long enough to release FPC connector.
- Lift connector from board with a pick or tweezers.
You can use this to change iPod, iPhone, iPad, dock connector, FPC connector, coil, resistor, wifi holder, battery connector (this is what we use in our repairs).
This alloy is recyclable and reusable for many repairs, simply heat it up with the soldering iron and you can reuse the alloy lump in your next repair job.
There you have it – the not-so-secret must-have tool when repairing iPhones!
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