Defender Repair Video - Only boots to Bookkeeping - Troubleshooting

Trying some new gadgets for videos... (this one is ~ 11 minutes)

Defender Board Set - full restore and repaired not booting into game.


~Brad
I wasn't sure if you were going to create a thread, but I approve of this format. I'd been fixing these for many years and never really took the time to understand the logistics of how the CMOS circuit worked. a few years back I got one in to fix and the 7404 was bad. the header pin tested the opposite of what it's supposed to with logic probe.
 
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