Fluke dtx-1800 and its accessories dtx-cha002 channel adapter channel replacement RJ45 socket notes

I received a letter from a customer in Shenzhen today DTX-1800 Matching 3 Channel adapter modules RJ45 Interface replacement ？
For my normal daily work , But today's sensory stimulation is no less than repairing a high-tech component .
Listen to me carefully , Follow the normal maintenance process , The first step is to disassemble the screws , To its north is 3 After the screws are removed, open the main board . Please watch carefully , What happened next , Absolutely overturned all my previous welding knowledge ：

Even with one 1mm+ Of solder wire across rj45 The solder pin is between the tin dots of the board , And enchanting . The use of solder across this connection is a false start , Solder itself is elastic , If the fixing is not firm , External force may make it solder , The flying wire connecting wire that should be used , It is not easy to solder after fixing .

Let's observe its enchanting degree from another angle ：

 

After some disassembly 、 cleaning 、 welding , After that, its test function is completely restored .

Summary ： Daily welding maintenance FLUKE Fluke DTX-1800 perhaps DTX-CHA002 When , It is recommended to use special tools and special devices to repair parts .