My broken Amiga 3000 arrived and I haven't been this happy since I got a fully working one 35 years ago! :amiga:
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 01:30:02 JST Bernie
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 01:39:04 JST Bernie
Two weeks ago I found it in the attic of my girlfriend's distant relatives in Philadelphia.
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 01:55:54 JST Bernie
As is common with desktop Amigas, the rechargeable nickel-cadmium battery of the real-time clock had leaked its electrolyte all over the motherboard 😦
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 02:08:20 JST Bernie
The horror! 😱
The alkaline potassium hydroxide solution spilled over the venerable PCB, corroding several traces and components.
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 02:22:01 JST Bernie
@dryak I'll try to document it the best I can.
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DrYak (dryak@mstdn.science)'s status on Friday, 29-Nov-2024 02:22:02 JST DrYak
@codewiz wishing you a happy repairing project!
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 02:32:01 JST Bernie
While waiting for the delivery, I purchased a few basic tools from Adafruit and borrowed a hot air gun and a good soldering iron from my friends.
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 02:42:36 JST Bernie
I also watched a few instructional videos on vintage PCB restoration, including this horrific Amiga 3000 battery spill repair session.
https://www.youtube.com/watch?v=JJ6mkfcyGT8
#amiga #retrocomputing #repair #electronics -
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 02:54:56 JST Bernie
@penguin42 Magnifying visa? You mean glasses with built-in magnifying glasses?
The Amiga 3000 board was not yet SMD, so I should be able to work on it without magnification.
Though I'll have to fix my reading glasses 😂
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penguin42 (penguin42@mastodon.org.uk)'s status on Friday, 29-Nov-2024 02:54:57 JST penguin42
@codewiz Youmight try one of the magnifying visa things; having the binocular vision is handy.
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Bernie (codewiz@mstdn.io)'s status on Friday, 29-Nov-2024 03:03:03 JST Bernie
Luckily, my PCB isn't as severely damaged. The spill might not have reached the sockets of the Amiga chipset: Paula, Super Denise and Super Fat Agnus.
These custom chips constitute the vital organs of any Amiga computer, and the ECS variants are probably the rarest.
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