Lets fix a pinball display driver board! Williams System 6a & 7 missing digits @londonpinball
Lets fix a pinball display driver board! Williams System 6a & 7 missing digits  @londonpinball
Uploaded May 2020 | Updated September 2026, 1 day ago
Today we're repairing a Williams Algar with missing digits in the player 2 and four displays. We'll talk about how to identify problem IC's and how to replace them.

Below is a link to the soldering/desoldering station I mentioned in the video. It's available on Amazon sometimes as well. The desoldering gun requires regular cleaning and maintenance, but it works well if you take care of it:
ebay.ca/itm/Aoyue-701A-All-Digital-Dual-Function-Soldering-and-Desoldering-Station/131855405037?epid=1212793059&hash=item1eb331cfed:g:0CIAAOSwKKpeqt69

I am not a trained electronics expert. If I get something wrong in these videos, please forgive me.
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Let's fix a pinball display driver board! Williams System 6a & 7 missing digits

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