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发布于:2019-3-27 23:50:27  访问:307 次 回复:0 篇
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Soldering Iron Cleaning Sponge
Once you`ve completed that an element of the task, spray a mist of water on the pipeline and suitable. Then wipe the fitting and pipe down once more. This step that is last remove any excess flux and dirt from your own perfect solder joint.
Pretty easy, huh?
Contrary to popular belief it may take an apprentice month or two so that you can determine this key 6th action that will enhance your solder finish. Offer it a whirl and remember practice makes perfect.
Now you know the 5 actions to a perfect solder joint and the special bonus key 6th action that will enhance your solder finishes. To be able to retain this knowledge that is new make it your it is time to take action.
Final thirty days, I`d received approximate 2~5 nos of defective lcd monitors each and every day from customers resided in a residential area occupied by 20000 individuals. I haven`t got such a good harvest indeed. Just how wages that are much we get from the fix only? Unbelievable! It really is $6400 approximately which calculates from average $80 x 80 nos monitor that is lcd.
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1) A simple inspection that is visual be sure that there are no electrical elements away from place on the circuit board. Additionally it is a time that is good double check every one of the soldering. (power is off)
2) Analog Signature Analysis: when you applie a current-limited AC sinewave across two points of this electric elements and circuit. (energy is off)
3) doing an In-Circuit Test: checking various real measurements with the board like voltage, regularity, etc. (power is on)
4) Performing a test that is functional verifying that the circuit board really does just what it`s designed for. (power is on)
If a few of the printed circuit boards fail any of the above tests, not absolutely all is lost. You can discover where in fact the issue is happening and exchange the a deep failing components and/or board allowing for it to pass through. This is sometimes known as reworking.
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