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Anyone do PCB repairs?


inthedark
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Only suggestions;

Water ingress problems can recover when the board is fully dried.  Water tends to 'lurk' under components, and gentle heat (such as on a radiator)can help dry out.  Residues can be hygroscopic and cause corrosion in the longer term.

Simple PCBs can be repaired by people with suitable skills; do you have any friends who are 'radio amateurs'?  They are often skilled in these areas.  Alternatively, someone who works in electronics.

Complex PCBs these days are very small, very densely packed, and have multiple layers of tracks (conductors). Repairing 'inner' layers is pretty much impossible.  Changing the tiny modern components is very highly skilled, and involves very specialist tools/kit.  Usually not economic.  Just looking at the miniaturisation used in mobile phone type PCBs shows the scope of the task (there are you tube videos of them being opened).

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What is the PCB from? Depending then it highly Possible that a replacement would be cheaper than replacing tracks/components and especially if I.C’s are involved and need programming?

I have a friend who last time time I visited his place, has most of the gear required but not sure to what level he is able to ‘delve’ 

PM me with the prob/ pcb usage etc and fault ( with photo if poss) and I will forward them to him.

 

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  • 2 weeks later...

An old schoolmate has very kindly repaired some things for me but looking at some of his other work it can get eyewateringly expensive if you are required to pay the bill.

I have had a crack at some non cost effective boards myself in the past with some success, but with the really tiny surface mount stuff it seems little can be done at home beyond a very crude attempt to reflow the board.

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