In the absence of any schematic condition to a piece of advanced injection mold
ing machine are new circuit board for repair, to have a so-called experience as before, although hardware strength deep confidence in maintenance, but improper method, work is still fall by the wayside.
So how should we improve the effect of repair?
Next by vertical injection molding machine manufacturer of advanced injection molding machine repair experience to share with you.
In the absence of any schematic condition to a relatively new advanced injection molding machine of circuit board for repair, before the so-called & other;
Experience & throughout;
To have a as, although hardware strength deep confidence in maintenance, but if the improper method, work as usual the wasted effort.
So, what can you do to improve the maintenance efficiency?
Use tools, multimeter, magnifying glass, when holding a piece of advanced injection molding machine to repair the circuit board, good habits is the visual response to their first, when necessary and with the aid of a magnifying glass, see what?
Basically see: 1, if there is a disconnection;
2, discrete components such as resistors, electrolytic capacitor, inductor, diode, triode, etc when disconnection phenomenon;
3 if there is a fracture, injection molding machine, circuit boards, PCB line, adhesion, etc. ;
4, if anyone had repaired?
What are the components move?
If there is a virtual welding, welding and insert the operation error;
Finally, vertical injection molding machine manufacturer is pointed out that after identified by repairing the parts without the condition, first advanced injection molding machine is measured with a multimeter circuit board between power supply and ground resistance, if the value is too small, only several or a dozen ohms, there are components on printed circuit boards that injection molding machine was breakdown or part of a breakdown, breakdown of components must be taken to be find out.
The concrete measures to be repair circuit board power supply, with the hand to touch the temperature of the injection molding machine circuit boards each device, hot will be the key suspect.
If the resistance is normal, resistance on the plate is measured with a multimeter, diodes, transistors, field effect tube, dial section switch, such as discrete component, its purpose is to first to make sure that the measured element is normal, our reason is that can use the multimeter to solve the problem, don't complicate it.
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