Introduction: Fix a Broken Circuit Board

Picture of Fix a Broken Circuit Board

In this project I will show you how we can fix or repair a broken PCB . Sometimes when we are shifting our things from one place to another or just a circuit board fells from our hand then the circuit board breaks down and becomes idle . This is a common problem with us . And it also leads to new buy of a circuit board , a normal good range transceiver costs about 40 $ which is costlier than arduino but in this tutorial I will show you how we can fix it . Not only joining but also making it working.Here's a video of it working :-

Step 1: Nice Challenge

Picture of Nice Challenge

In this project I will show you the fixing of my transmitter that I broke down when opening my drawer it stuck and broke down Its power supply portion was different than its controller . But this idea helped me to reapir my broken transmitter.

Step 2: Things Required

Picture of Things Required

For this fixing we need :-

  1. solder
  2. soldering iron
  3. copper wires
  4. blade
  5. broken circuit board with all constituents like capacitors,transistors etc. to make it working.

This is all we need to repair our broken circuit board.

Step 3: Identify

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Firstly identify the correct wires by placing your two or more broken parts correctly like solving a jigsaw puzzle and then move to next step.

Step 4: Scratch

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Scratch the corresponding metal flows in circuit board on both side (as the upper green coating on circuit board is insulator ,and the inner copper clad is conductor). Scratch a small portion over the corresponding side leave some space between two scratches as if solder connects two wrong wires then the PCB will not work. Use a blade for this scratching task .

Step 5: Stripping Wires and Placing Right Wires

Picture of Stripping Wires and Placing Right Wires

Now take a long copper wire and with the help of stripper and a pair of pliers strip off the whole wire .Take a single wire and then place it on corresponding scratches over both broken parts . Don't make the wire contact with other soldered parts.

Step 6: Solder the Wires

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Now carefully solder the wires from one side firstly and then solder the right wires on both sides respectively.Don't spell the excess solder on other scratches .

Step 7: Soldering on Other Side

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Now start soldering the correct wires carefully on the other side . Again don't spell the solder on other scratches . Do it until all the joints had been joined.

Step 8: Final Soldering and Spreading

Picture of Final Soldering and Spreading

Finally all the wires are now joined . Now the thing is to spread the wires carving outside . Making curves so that they do not touch with each other to malfunction .And now your circuit board will work smoothly and It becomes more flexible now it will not break if thrown on ground!

Step 9: Working

Picture of Working

Just Connect the battery to circuit board and then switch it on you will be surprised to see the circuit board working ! This project is economically beneficial to our community and makes it more flexible than earlier . This idea might be useful for all of us . But I think it had helped me to fix my 3 circuit boards , now working fine .Please vote if you like !

Thanks!

Comments

ptkrf (author)2015-07-09

Pro tip: use insulated wire.

No, seriously. Don't use stripped wires like shown in pictures above. You could easily damage and/or destroy circuit board and it's components and, if you are dealing with decent voltages, hurt yourself. Not to mention that it could start fires...

framistan (author)2015-07-01

Congratulations on fixing your circuit board! It could have been done a little easier by epoxy gluing the board together, then use very small lengths of wire only directly across each crack. If long wires are necessary then use thin insulated wire.

Yes, right thing but I also wanted to make it flexible acting as shock absorbent,that's right that I could use insulated wire.

MikB (author)Gursimran Singh 4252015-07-04

It wouldn't need a shock absorber if you didn't keep breaking stuff :)

"It is a common problem for us" ...

This technique is really rather risky, even for low voltage. Because one day the bare wires will touch and break something.

Try and reunite the pieces with epoxy. Where possible (blank board areas) epoxy a small piece of insulated board to straddle the joint. Then you will find it is mechanically stronger and you don't need much wire at all, if any.

Simply scraping the track both sides of the split and running solder across will often repair the track.

Oh, and if you are using single/double sided boards, this works. If they are multilayer (inner traces) you are in a world of pain.

rebeltaz (author)2015-07-01

As a professional technician for over 25 years, I have many times had to repair broken television mainboards, usually around the heavy flyback transformer. I would highly suggest you stress to your readers that BARE wire should NEVER be used. You should ALWAYS use insulated wire for such long runs. The reason being that bare wire can (and will) short together and cause more damage to the circuit than rewiring a broken board can fix. Murphy's Law - Anything that can go wrong, will go wrong.

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