Laptop Keyboard Teardown
Ok, here I will show a laptop keyboard teardown, and why some keyboard are not working and why it is impossible to clean and repair.
This is the target keyboard. It is from a Gericom Q10 Air 3G netbook.
After 10 minutes of disassembling, I got the half of the letter out-see the above photo.
This is after 30 minutes. As you see, there are three main parts.
– the buttons
– the PCB foil
– and the metal plate
Now we have to disassemble the PCB foil into two parts. On this foil are the circuit printed for the keyboard with the pads. In some situation, you can try to clean the keyboard with a cotton swab and alcohol or some cleaning liquid. However, take care what type of cleaning stuff you use because of the foil. Don’t use nitro paint thinner! This will mess up your foil! Do not use any sharp tool that will destroy the conductive trace.
Most of situation the cleaning the pads will not help. Why ? I will show you on the next photos.
All of that dark coloring in the wiring is corrosion, as cancer in human body. This is why the keys are not working correctly or they stops working after a time. No cleaning with water, alcohol, ultrasonic cleaning will help to solve this problem.
Inspect this picture and you can see there are no hopes any more…
This is a pad with corroded wire and a black point on the left side, which is a corroded point too. This pad will be completely destroyed in a short time.
This is a completely corroded, useless pad.
This is may be a 25% good pad, but in a short time stops working too. The best way to repair this kind of keyboard is to replace it with a new one. I hope you enjoy this tutorial and will save lot of repair time.
This article was prepared for you by Christian Robert Adzic from Novi Knezevac-Serbia.
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