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发布于:2018-9-4 23:47:59  访问:69 次 回复:0 篇
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Electrical Automation Technology
1) A simple inspection that is visual make sure that there are not any electric components out of put on the circuit board. Additionally it is a time that is good make sure all of the soldering. (energy is down)
2) Analog Signature Analysis: when you applie a AC that is current-limited sinewave two points for the electrical elements and circuit. (power is off)
3) doing an In-Circuit Test: checking different measurements that are physical the board like voltage, regularity, etc. (energy is on)
4) Performing a practical Test: verifying that the circuit board actually does just what it is designed for. (energy is on)
If a number of the printed circuit boards fail some of the above tests, not all is lost. You can discover where in actuality the issue is happening and replace the a deep failing components and/or board allowing because of it to pass through. That is often known as reworking.To understand about 60w soldering iron for electronics and technology and tourism, go to our internet site soldering irons cape town.
Instance 3: Dell e151fp ( equal to Acer Chassis that is FP553 energy or power on then shutdown shortly
Solution 3: Solder out the faulty C605, C707, C703 capacitor, the defective power ic UC3842B, faulty resistors R613, R623, R615, defective transistor Q601, defective diode D604= 1N4148 and fuse F601. Solder the parts that are new in to the circuit.
From above examples, regardless of how serious fault degree of lcd monitor, the soldering work is definitely tangled up in restoring lcd monitor. There is the following articles explain the basic soldering to advance soldering means of the surface mounted devices (SMD) on our website.
1) Tools for soldering
2) Soldering safety and wellness
3) Photos for soldering dry bones on circuit panels
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