Pole Position PCB Repair - Size (enable) Matters - RevB Set Part 2

Fix one graphics issue, go down Signature Analysis rabbit hole on the video PCB, get lucky then not so lucky. Did I mention Pole Position PCBs suck. 00:00 Symptom / Plan 04:12 Comparator on HZ Addr Ctrs 07:00 Size Enable 17:30 Signature Analysis Rabbit Hole. 35:50 More probing around. 37:15 2148s at 9F & 10F ? 40:35 Cabinet Test Fail