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Hints, Tips and Solutions (Do NOT post requests for help here) If you have any useful general hints and tips for vintage technology repair and restoration, please share them here. PLEASE DO NOT POST REQUESTS FOR HELP HERE! |
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11th Sep 2019, 12:21 am | #1 |
Nonode
Join Date: Oct 2014
Location: West Midlands, UK.
Posts: 2,181
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Cleaning PCB
Excess flux on a board. Scrub it, but where to find a brush . Take one artists brush ,wrap with tape and it's job jobbed. I used a 15x6 mm, which tapes up to a firm 6mm brush.
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11th Sep 2019, 1:14 pm | #2 |
Dekatron
Join Date: Feb 2007
Location: Lynton, N. Devon, UK.
Posts: 7,088
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Re: Cleaning PCB
I use a toothbrush, or a cut-off paintbrush, depending which way I need to scrub!
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11th Sep 2019, 1:51 pm | #3 |
Heptode
Join Date: Jul 2014
Location: Boston, Lincolnshire, UK.
Posts: 995
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Re: Cleaning PCB
It's even easier if you use an electric toothbrush....
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12th Sep 2019, 8:45 pm | #4 |
Dekatron
Join Date: Jun 2009
Location: Staffordshire Moorlands, UK.
Posts: 5,276
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Re: Cleaning PCB
I've always used an old bristle paint brush that's been given a 'haircut'. I did try a toothbrush but got tired of scraping my knuckles across cut-off component legs. The advantage of a paintbrush is that a stronger solvent like MEK or Xylene doesn't dissolve it.
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Kevin |
12th Sep 2019, 9:40 pm | #5 |
Dekatron
Join Date: Jun 2016
Location: London, UK.
Posts: 3,687
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Re: Cleaning PCB
My local art shop sells nice stubby paint brushes at 5 for a quid. I trim them too. Perfect for the job.
Agree on the knuckles issue with the toothbrush. I rather like not having road rash from cleaning a board! |
12th Sep 2019, 11:02 pm | #6 |
Nonode
Join Date: Oct 2014
Location: West Midlands, UK.
Posts: 2,181
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Re: Cleaning PCB
Mr B- must try that, but toothbrush- static problems? I've none in my circuit- it's a 7805 into an AMD 0512, but on CMOS, I'd be wary, with an electric toothbrush.
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22nd Sep 2019, 4:35 pm | #7 |
Heptode
Join Date: Dec 2014
Location: Lincoln, Lincolnshire, UK.
Posts: 583
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Re: Cleaning PCB
I tend to run a craft knife (the blunt side) along Veroboard to clear the space between tracks then brush with an old toothbrush. If I am really trying to clear things to spotless I use a cotton bud soaked in isopropyl alcohol then brush with the toothbrush.
I do use a paintbrush for dust around components, sometimes using it with isopropyl dependant upon risk to components. |
9th Oct 2019, 9:09 pm | #8 |
Octode
Join Date: Mar 2016
Location: Knutsford, Cheshire, UK.
Posts: 1,500
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Re: Cleaning PCB
I use an old toothbrush + IPA, gives great results for removing /dissolving messy flux..
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...where on earth did that spring/screw go?? |