• 7 Common Phone/Hardware PCB&Circuit Board Failures

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    7 Common Phone/Hardware PCB&Circuit Board Failures
    Analyzing, locating, and repairing circuits is the basic work of hardware engineers and there will always be all kinds of strange problems. We need to gradually locate and solve the problems one by one to reduce the failure rate, improve the production line yield, and improve the average Trouble-free time and reduce after-sales problems.  This section introduces several common analysis ideas, which are common in hardware circuits such as mobile phones, tablets, and computers. 1.Poor soldering - short circuit. The factory may cause partial tin connection during SMT, and the amount of tin connection is not much....
  • On the Printed circuit boards(PCB)

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    On the Printed circuit boards(PCB)
    A printed circuit board is a panel or plate made up of one or a pair of conductive patterns. They are located on the surface of the dielectric base. In some cases, a system of conducting patterns located on the surface and in the volume of the dielectric base is used. The main purpose of printed circuit boards is to mechanically fasten quantum electronics and electronic technology, as well as to connect them electrically. Varieties of printed circuit boards The simplest option is a plate with copper conductors on one side, connecting the elements of the conductive pattern only...
  • How To Fix the SMD Parts In the Proper Position When Soldering?

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    How To Fix the SMD Parts In the Proper Position When Soldering?
    How to fix the SMD parts in the proper position when soldering? This is a  predicament that everyone will encounter. So am I. Whenever I have PCB's that need to be filled with SMD parts I have to double check this, and as the pin spacing gets tighter this has become an issue.Modifying some bent tweezers with rubber bands to improve grip is able to help hold the components in place until 1 or 2 pins can be soldered. This method works, but it can be very tricky. We can also try a variety of glues and...
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