Industrial Electronics Repair Use Basic Electronics Knowledge To Fix Just About Anything For PROFIT
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- Опубліковано 19 жов 2022
- LER #312 This repair video was recorded in two sessions and is pretty much unedited. It's quite long but it shows REAL LIVE repair work on a PCB with no schematics and very little information available. This is the control PCB for an emergency electricity backup system (diesel generator and battery) for mains power. Can we fix it? Well it's all just electronics at the end of the day, yeah?!?! Get a coffee or beer and, sit down, learn how to repair industrial electronics and make some serious profit! Enjoy the ride.
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Thank you
Richard
Hi Richard. To easily remove lead-free solder from a printed circuit board, use low melt solder and mix it with the lead-free solder. Then you can easily remove it with your desoldering device. Don't forget to clean with ISO. After that you can safely solder new or the same components back, but this time you use normal lead-containing solder. The simplest and easiest way to remove lead-free solder. I do have to confirm that it is a very difficult circuit board that is made quite cheaply. The solder pads come off very quickly, indicating a non-professional etching of the board. Best of luck with the repair. Greetings from Belgium. Andy.
So, the part of the circuit not protected with a fuse got burnt several times. We all know that zener will fail again.
it's after 5 AM now; I started watching at 3 AM and couldn't stop! Great video, thanks for making it and for the lesson on inductors & relays. I maybe can't live without regular 'Learn Electronics Repair' vids 😁
the most common false is the power supply when they leaking a it burned out a resistors without any colours with its body’s you can’t tells how may ohms its should be how do you worked outs the correct resistors it should be for me it’s easy is to go back to VIR let’s says 6 volts divided 12 ohms=0.5 Amps to fine out how many watts for a resistors 0.5 multiple by 6volts=3watts maybe I’m right or maybe wrong
I think that PCB is an AVR(Automatic Voltage Regulator). It controls the output voltage by controlling the input voltage onto the rotor of the alternator. This depends on the frequency of the device/ rotation speed of the alternator. It is a 3 phase generator. 220V single phase (L+N)and 380v phase to phase.
That one does two things. One is engine control alarm system. And the other is switching between generator and shore power
Wow, 100 euros seems dirt cheap considering the time and skill set required... I don't know how you could make a living off that! Great video, thanks for sharing!
Industrial PCB repair ... Don't think there are many who can do this on this island ... I reckon you are going to get more of this ...
I would probably charge somewhere around $1,000 for that especially if it's industrial
Waggling a vacuum desoldering tool back and forth is not very effective. It is much better to move the tip around in circles so that the pin is pulled away from the sides of the hole all the way around. It is also important to allow adequate heating time before turning on the vacuum, otherwise all you do is suck molten solder off the top which prevents good heating to the other side of the board. You must be careful not to heat too much or apply too much pressure either of which can damage the pad.
I appreciate all the industrial electronics repair videos you do, keep them coming! I like seeing how you desolder and like that you show the challenges of it and how you use different methods to achieve each component removal. that's the stuff that is hard to learn on your own without seeing someone else do it.
Excellent videos, very informative for me as a novice to see the diagnostic process, method and thought in depth. Your theory 'cut-aways' are also great and very helpful. Please keep them coming. Happy New Year.
I’ve watched your explanation of bridge rectifiers in several of your videos. Something about the way you explained it here finally made it click. Thank you Richard!
I have just retired as an electrician and have found for the last number of years its all electronics as my main area was repairs I find richard what ur doing amazing and very interesting. It looks like determination, patience, skill, and knowledge are needed in abundance, of course, the right equipment also. I feel like a fish and have just been hooked. Thank you so much for sharing your knowledge skill & intrest.
Great stuff as always Richard. Been watching you for a while now and your videos have lead me in the right direction many times to fixing a PCB. I'm taking on as much Industrial electronic repair I can at work (I'm an industrial electrician), so please do more industrial electronics repair! Love these videos.
Thank you Richard. For me electronics is just a hobby, but you have done so much to improve my understanding of the subject. You da man 🙂
Once again, this is brilliant. Thx again for taking the time and effort to put out these videos, as the depth of knowledge/experience gain is unmeasurable, in my ongoing repairs saga. It’s rare that anyone fixes stuff anymore.
Thank you Richard I thoroughly enjoyed this one.
Fascinating journey, many thx Richard. I’m not sure but looking at a lot of those components it appeared there was a shortage of solder leaving an opportunity for moisture, and eventually corrosion, to get a grip. Might be worth touching up the soldering generally once you have it back in the land of the living once more. Keep up the great work 😀👍
Hi Richard, Most informative and enjoyable to watch sessions available. Thanks and best regards,