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#41 |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 43
Posts: 9,955
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Hehe, that Agnus socket replacement pic reminds me of replacing the cracked buster socket in my A3000T.. :-D
I used the trusty paint stripper-rework station there too. There's really no other way to get sockets with that many pins off the circuit board. :-) |
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#42 |
A-Collector, repairments
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my another nice repair of Viper 520
http://chain.3dgrafika.cz/wrk/alcone/_viper520_oprava/ Card was dead if you switch on (jumper) fast ram, so ive replaced dram chips and it works, hell yeaah! Hyunday chips are desoldered from 72pin simm -.) (due to unable to find same part number anywhere else) man, im beginning to like that hotair rework |
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#43 |
Miggy Man
Join Date: Nov 2004
Location: Cornwall, United Kingdom
Age: 40
Posts: 831
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Anyone got any tips of how to de-solder something?
(In this case a simm socket from an A4000 motherboard without damaging the board) |
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#44 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
|
Sold wick and a £20 (paint stripper) hot air gun...
(courtesy of our resident wizard... MERLIN ![]() i would recomend a small custom built nossel for the gun (i believe that a coke can or similar could be used / beaten to shape ![]() ![]() However a small solder re-work station would do wonders for a small investment. ebay prices have gone up recently so have a shop.. you should be able to get a decent one under £70. If however you are lifting components i would recomend a copper rod or similar to place onto them and absorb the heat generated by the hot air desoldering unit. |
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#45 |
A-Collector, repairments
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its on amiga.serveftp.net, but thats now down (hope its temporary prob)
BUT here is mirror of simm desoldering page just for ya ![]() http://chain.3dgrafika.cz/temp/amiga...lace_simm_.htm (Property of A.Hoffmann, hope he doesnt mind for mirror it) and be cautious, coz soldering with hotair in these hot days (32C here) needs a lot of cold beer! ![]() Last edited by Chain; 10 June 2007 at 14:10. |
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#46 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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@Chain
32c Holy Shit!!!!! i start wishing oblivion to take me after 27c..... |
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#47 |
Miggy Man
Join Date: Nov 2004
Location: Cornwall, United Kingdom
Age: 40
Posts: 831
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Thanks chain
![]() That's exactly what I needed.. lol Same motherboard that I have too xD |
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#48 | |
Registered User
Join Date: Jul 2006
Location: Birmingham UK
Age: 43
Posts: 214
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Quote:
Farnell and RS will supply solder and flux, along with components, however their prices are not the best for home constructors, http://www.futurlec.com/ do cheap components (along with a reasonably priced board manufacturing service) but no solder or flux. |
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#49 | |
A-Collector, repairments
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Quote:
http://chain.3dgrafika.cz/temp/A4000_/a4000_simms.jpg |
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#50 |
Registered User
Join Date: Nov 2006
Location: Amigaville
Age: 46
Posts: 3,338
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Guys check this chaps work, he does some articles on Surface mount soldering too...
http://amiga.serveftp.net/hardware_repair.html |
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#51 |
Blessed A1200 Of TeH Rat
Join Date: Aug 2007
Location: Bham, UK
Age: 42
Posts: 496
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I did this to a GeForce 4 Ti4600 many moons ago, it was a bad ass card
![]() ![]() I had to change ALL the caps, but I was most pleased with the one I stuck on the back, I thought I was being well clever ![]() I was given the card and it only cost me about £2 to put right I really did think that was good. If I remember it ended up on the back because the board was damaged in some way... The card ran for about 2 more years then died due to RAM for no reason ![]() EDIT : I knew there was a reason I was looking in here... Does anyone know where I can get a solder pump, not those crappy spring loaded solder suckers, I used to have this thing with a rubber ball that basically sucked it up as you pumped it, but I have not seen one for years, eBay shows all those crappy ones I don't want. I REALLY badly need to learn how to solder properly, a rework station looks nice are they easy to use? Last edited by DrF; 19 October 2007 at 22:05. |
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#52 |
A-Collector, repairments
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#53 |
Blessed A1200 Of TeH Rat
Join Date: Aug 2007
Location: Bham, UK
Age: 42
Posts: 496
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Well I have ordered some essentials for now solder, desoldering wick, flux, soldering paste, super pointy tweezers. Gonna get a new iron, and I want to get a Willem programmer thingy, theres some many things I need to learn to do, but I never have the tools
![]() I will keep looking for a hot air rework station, that site with the SMD tips makes it look a little TOO easy to use. |
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#54 |
Blessed A1200 Of TeH Rat
Join Date: Aug 2007
Location: Bham, UK
Age: 42
Posts: 496
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This video may be of some help to people, I found it quite good, how to do SMD soldering with not so expensive normal soldering gear, and from the video the methods look like they work quite well.
http://www.curiousinventor.com/guide..._Soldering/101 PS : Double post 'cause this topic has been dead awhile and it would be nice to see how everyone got on ![]() |
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#55 |
crusader of light
Join Date: Jul 2002
Location: Stone, Staffordshire.
Posts: 1,151
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After all these years I still cant solder for toffee, I made up a scart lead for my arati jaguar last night and I made a right mess, badly burning myself in the process.
Worst bit was, I realised half way through that the connectors I was using either end were intended to be solderless ![]() |
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#56 | |
Blessed A1200 Of TeH Rat
Join Date: Aug 2007
Location: Bham, UK
Age: 42
Posts: 496
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Quote:
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#57 | |
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Join Date: Jul 2003
Location: Helsinki / Finland
Age: 43
Posts: 9,955
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Quote:
However you must learn how to solder through hole stuff and wires into connectors before even considering SMT work.. Without soldering experience, doing SMD will just result in a nervous breakdown and a ruined PCB. |
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#58 |
I hate potatos and shirts
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If you don't have enough talent ($$$$) to buy/rent/borrow/steal a SMD rework station, and have to dessolder a capacitor (or a resistor, or whatever), just use two solder irons, one in each lead of the device.
Just a tip... |
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#59 |
Registered User
Join Date: Feb 2005
Location: Beaverton, OR
Age: 66
Posts: 41
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I have been working in the electronics industry as an electronics assembler for over 25 years. In the upcoming RetroGeek Computers episodes I will share what I have learned through the years. I will record the first of the three-part series this week. Then it will be coverted to a Video-MPG and posted in the Downloads/Videos area of the RetroGeek Computers website. So stay tuned.
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#60 |
Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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heres a great place to start learning soldering technique
http://www.curiousinventor.com/guides/How_To_Solder from through hole to SMD ![]() dont forget youTube as well just type SMD soldering or de-soldering ![]() |
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