
Emeraldia Namco NA-2 Arcade PCB No Boot, Solid Color Screen Repair
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Published on ● Video Link: https://www.youtube.com/watch?v=PZakNPi1bG8
This is a look at trying to get this Emeraldia pcb working again.
The board would either show a black screen or a static solid color screen only. After looking at this board I can say that this hardware is prone to corrosion from leaky caps and they should be replaced as soon as possible.
List of caps replaced on the board:
100uf 6v (x10)
470uf 25v (x1)
1000uf 16v (x1)
220uf 6.3v (x1)
2.2uf 35v (x7)
47uf 16v (x1)
22uf 6v (x4)
Total 25 capacitors
If/when you replace these caps, try to find a higher voltage value just to be on the safe side.
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