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[takgiko]

Tips for using commercial heat gun

Proper use of the commercial heat gun can improve maintenance efficiency and damage the phone motherboard if not used properly. If some maintenance personnel remove the power amplifier or CPU, they find that the mobile phone circuit board is out of the solder joint, the plastic cable holder and the keyboard base are damaged, and even a short circuit occurs. This is actually caused by the maintenance personnel not knowing the characteristics of the commercial heat gun

Method of blowing small chip components

The small chip components mainly include chip resistors, chip capacitors, chip inductors and chip transistors. For these small components, a hot air gun is generally used for blow welding. When welding, be sure to master the air volume, wind speed and direction of the airflow. If not done properly, not only will the small components be blown away, but also large components will be damaged.

The small soldering chip components are generally small nozzles, the temperature of the commercial heat gun is adjusted to 2~3, and the wind speed is adjusted to 1~2. After the temperature and airflow are stable, the small patch component can be clamped with a finger pliers, so that the nozzle of the commercial heat gun is separated from the component to be disassembled by 2~3cm, and is kept vertical, and uniformly heated in the upper direction of the component, and the solder around the component is melted. After that, remove it with a finger pliers.

If the small component is soldered, the component should be placed positive. If the tin on the solder joint is insufficient, the soldering iron can be used to fill the solder joint with an appropriate amount of solder. The soldering method is the same as the disassembly method. Just pay attention to the temperature and airflow direction. The hot air gun is one of the important tools for repairing communication equipment. It is mainly composed of basic components such as air pump, air flow stabilizer, linear circuit board, handle and outer casing. Its main role is to desolder small patch components and chip integrated circuits.

Proper use of the commercial heat gun can improve maintenance efficiency and damage the phone motherboard if not used properly. If some maintenance personnel remove the power amplifier or CPU, they find that the mobile phone circuit board is out of the solder joint, the plastic cable holder and the keyboard base are damaged, and even a short circuit occurs. This is actually caused by the maintenance personnel not knowing the characteristics of the commercial heat gun.

[senegallife]

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