Questions tagged [printed-circuit-board]
All about PCBs: repairing, making replicas, troubleshooting, drawing & original documentation, etc.
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Did anybody use PCBs as macro-scale mask-ROMS?
Early on, even fairly small ROM's were quite useful. For example, you could fit a minimal upper-case only font for a terminal into something like 256 bytes. And that's a scale that a human could lay ...
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IDE interface board design review [closed]
Hope this is ok here. This seems to be the place with the real hardware experts. As some of you may recall, I've been trying to get a 44 pin IDE SSD module working on a retro IDE interface. The SSD ...
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What is the Commodore 64C "France version" and why does it need a beefy resistor?
While perusing the schematics for the Commodore 64C (titled COMMODORE-64 B/NE) I came across a suspicious section of the power supply: The unregulated "9V" is connected to the completely ...
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What was the first computer board to be wave-soldered?
The Wikipedia article on wave soldering does not give any information on its history. What was the first computer circuit board to use this process?
I am specifically looking for computers that were ...
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How did wave soldering work? [closed]
While it is not used as much nowadays, wave soldering was a big advance in the productivity of manufacturing electronics, compared to soldering all the components by hand. It consists of placing all ...
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Need help with lifted pads/traces on a TRS-80 Model 100 PCB
The worst imaginable thing you can think of happened. I've tried making a minor repair and it all rolled downhill like a snowball and now I have significant damage.
Extent of Damage
The pads got ...