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paulzolo
What's a life?
Joined: Thu Apr 23, 2009 6:27 pm Posts: 12251
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Thought I’d try making a lead that will let me run my BBC Micro and Acorn Electron through a scart socket on the TV. This requires some resistors, cable, a scart socket and a 6 DIN plug.
My soldering is crap. I have managed to melt the DIN plug so all the pins are now out of line. I think I’ll give up on soldering. I should have just bought one from eBay from the off.
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Wed Jul 03, 2013 1:44 pm |
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oceanicitl
Official forum cat lady
Joined: Fri Apr 24, 2009 8:04 am Posts: 11039 Location: London
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If you don't try you won't know. Well done for trying anyway.
_________________Still the official cheeky one 
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Wed Jul 03, 2013 2:11 pm |
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cloaked_wolf
What's a life?
Joined: Thu Apr 23, 2009 8:46 pm Posts: 10022
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Reminds me of the time I tried to fix my sister's laptop. It was a Dell Inspiron and developed a well known fault of the DC jack no longer working so the laptop wouldn't charge/power up. I duly read the service manual, stripped it down and tried to melt the solder points with a soldering iron. For the love of me I could not get it to melt (apparently something to do with the solder/process used) and I ended up having to chuck it away.
_________________ He fights for the users.
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Wed Jul 03, 2013 2:41 pm |
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paulzolo
What's a life?
Joined: Thu Apr 23, 2009 6:27 pm Posts: 12251
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I don’t see how people can solder so neatly. I always manage to make a huge splodge of solder. I think this was just too intricate for me.
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Wed Jul 03, 2013 2:42 pm |
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HeatherKay
Moderator
Joined: Thu Apr 23, 2009 6:13 pm Posts: 7262 Location: Here, but not all there.
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Clean work, clean iron. Keep the tip clean, and wipe it clean on the damp sponge before taking it to the work. Apply the iron to the work, bring the solder to it, and keep it on the work only long enough for the solder to melt and make the joint. For fine work it helps having an adjustable temperature-controlled iron with interchangeable tips. A potential spanner in the works these days is lead-free solder. The lead in the old-fashioned cored electrical solder helped it to flow under heat. Now it needs more heat to flow properly, risking damage to the work.
_________________My Flickr | Snaptophobic BloggageHeather Kay: modelling details that matter. "Let my windows be open to receive new ideas but let me also be strong enough not to be blown away by them." - Mahatma Gandhi.
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Wed Jul 03, 2013 2:55 pm |
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paulzolo
What's a life?
Joined: Thu Apr 23, 2009 6:27 pm Posts: 12251
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Not forgetting needing five hands. One to hold the soldering iron, one the solder, and a few more to keep the work in place. At some stage, something moves at a critical point. Usually wire pinging out f the hole in the pin it's meant to be in.
The downside today was the solder not going into the pin at the right time, the plastic melting and the pin going out of line.
So I have to either buy another plug and try again, or try to heat the current one up and realign it.
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Wed Jul 03, 2013 3:10 pm |
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Spreadie
I haven't seen my friends in so long
Joined: Fri Apr 24, 2009 6:06 pm Posts: 6355 Location: IoW
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The trick is to cut away the existing dc jack then you can de-solder the solder tails whilst pulling on them with tweezers. I fixed a couple of laptops doing it that way, just the other week. Sent from my iPhone using Tapatalk
_________________ Before you judge a man, walk a mile in his shoes; after that, who cares?! He's a mile away and you've got his shoes!
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Wed Jul 03, 2013 3:23 pm |
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paulzolo
What's a life?
Joined: Thu Apr 23, 2009 6:27 pm Posts: 12251
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I expect it's salvageable but only with a new DIN plug. I'm just bloody annoyed that it was that easy to make a mess of it.
This is so that I can take a couple of old computers to the school next week to show the kids doing Code Club that this is how computers used to be.
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Wed Jul 03, 2013 3:40 pm |
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finlay666
Spends far too much time on here
Joined: Thu Apr 23, 2009 9:40 pm Posts: 4876 Location: Newcastle
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Gf said I should get a case for my phone yesterday, had it 5 months and it's still in good shape
"nah it'll be fine I said"
Dropped it 3 separate times today and wrecked the back of the case *facepalm*
_________________TwitterCharlie Brooker: Macs are glorified Fisher-Price activity centres for adults; computers for scaredy cats too nervous to learn how proper computers work; computers for people who earnestly believe in feng shui.
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Wed Jul 03, 2013 10:49 pm |
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Amnesia10
Legend
Joined: Fri Apr 24, 2009 2:02 am Posts: 29240 Location: Guantanamo Bay (thanks bobbdobbs)
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I have cases for mine but never really use them that much. 
_________________Do concentrate, 007... "You are gifted. Mine is bordering on seven seconds." https://www.dropbox.com/referrals/NTg5MzczNTkhttp://astore.amazon.co.uk/wwwx404couk-21
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Thu Jul 04, 2013 12:21 am |
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big_D
What's a life?
Joined: Thu Apr 23, 2009 8:25 pm Posts: 10691 Location: Bramsche
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The usual problem is that the "average" soldering iron has a broad (4 - 5mm head). For electronics work, you need a point head.
_________________ "Do you know what this is? Hmm? No, I can see you do not. You have that vacant look in your eyes, which says hold my head to your ear, you will hear the sea!" - Londo Molari
Executive Producer No Agenda Show 246
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Thu Jul 04, 2013 3:53 am |
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Amnesia10
Legend
Joined: Fri Apr 24, 2009 2:02 am Posts: 29240 Location: Guantanamo Bay (thanks bobbdobbs)
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_________________Do concentrate, 007... "You are gifted. Mine is bordering on seven seconds." https://www.dropbox.com/referrals/NTg5MzczNTkhttp://astore.amazon.co.uk/wwwx404couk-21
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Thu Jul 04, 2013 4:59 am |
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paulzolo
What's a life?
Joined: Thu Apr 23, 2009 6:27 pm Posts: 12251
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The usual problem is that the "average" soldering iron has a broad (4 - 5mm head). For electronics work, you need a point head.[/quote]I have a pointed head on my soldering iron. Oddly, the "how to" videos I have been watching on YiuTube all use flat heads. Oh, well. I have ordered a lead from eBay. Costs a tenner. I'll be persevering with this one - but I'll have to get a new part on Saturday.
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Thu Jul 04, 2013 8:01 am |
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veato
I haven't seen my friends in so long
Joined: Fri Apr 24, 2009 7:17 am Posts: 5550 Location: Nottingham
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When repairing my car I tried to solder some wire. It worked but the end result was seriously messy. In the end I stripped it off and used these bad boys with a heat gun. Hands down the best way to join a wire I've ever come across http://www.autoelectricsupplies.co.uk/product/926/category/9
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Thu Jul 04, 2013 9:19 am |
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pcernie
Legend
Joined: Sun Apr 26, 2009 12:30 pm Posts: 45931 Location: Belfast
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_________________Plain English advice on everything money, purchase and service related:
http://www.moneysavingexpert.com/
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Thu Jul 04, 2013 11:32 am |
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