The Pennefather v500 has been used for more than two years. The overall effect is OK. The life of the yellow shaft is somewhat short. Many common buttons are unresponsive, or it is a combo, which affects my typing feeling a few days ago. To play an article, it would have been 10 minutes, but because the key is not a batter, it is dull. It took half an hour to get it all done. At that time, there was an impulse to throw the keyboard. Later, under the advice of my wife, I wanted to change it. Applying for funds) to children is still small, many places need to spend money, you just want to repair, this kind of irrefutable reason, on the Taobao ordered the cherry's green shaft, replaced by himself (before also changed 4 This time, the light car is familiar with the road). First on the panorama
Rapoo V500 mechanical gaming keyboard black black shaft 129 yuan to buy a sense of well-being keyboard Jingdong direct link to Wikipedia 
Screwdriver, solder, rosin, electric iron, workbench, and suction welding device start work immediately after completion (sweat absorber must have this thing, with a very convenient and practical, not technical content)
First remove the back, fix the usb line and the master chip with four screws, and you're done!
Take out the usb cable and pull out the master chip. It must be light and easy to break. The metal contacts on the chip are also easy to bend!
Now to get the front screws, there are a total of 5, A next to another key, under the space bar 2, one next to the shift key, next to the arrow keys, one by one removed and put away, the keyboard board can be directly out It!
Pull out the keyboard key cap that needs replacing, I have already replaced 3 black shafts and one black shaft, can be seen on the picture, it is volume +, VOCSGN that should be replaced today, these 7 keys, actually want to change or blue The shaft is comfortable, and the black shaft is very good.
The middle of the operation process, because it is almost 10 o'clock, the child's wife has just slept, I forgot to forget after my own operation, it is really sorry, we can search online operation process, I just follow that, this is the yellow axis to take After coming out, the soldering iron can be melted slightly after the temperature rises up and the rosin is touched. The waste solder is sucked away with a soldering iron, and almost the same time, the screwdriver is used to hold the round plastic body of the shaft. At that point, it came down. Then one by one to remove the shaft to remove, clean the weld around the mouth, and then put the green shaft, the control hole to stay on the press.
This is a good solder joint on the back side. After the shaft is plugged in, use a soldering iron to stick the rosin, then cut a piece of solder about 1mm. Use a soldering iron tip to stick to the tip of the soldering iron. Then gently tap the shaft. On the contact, we must keep the solder to surround the contact, the above figure can see the comparison of my own welded contact and the original contact, slag technology, and so on!
Welded after the completion of the test, if the button did not respond, it is estimated that the virtual weld, and make up the welding on the line, generally no big problems can be installed, after the Bahrain can then use the keyboard test software, test!
After the change, you can work another two or three years to buy new ones, or continue to purchase the green shaft and change the others!
Well, today is the end of it. It is worth buying the first article. Thank you all and thank you for what you can buy to provide the exchange and pick-up platform!
Life is endless, more than ever! Pay tribute to the octopus!
The water glass shell process has low cost, simple operation, and low requirements for raw materials. The basic feature of the process is the use of paraffin-stearic acid low-temperature mold material, and the use of water glass as the binder in the process of shell making. In terms of shell process, its surface quality is average, and its dimensional accuracy is not as high as that of silica sol process, but because of its unique cost, it is widely used in some civil and low-precision internal combustion engines in my country.
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