IREM M84 - R TYPE 2 - TRICKY REPAIR / ATTRACT MODE TESTING

Subscribers:
460
Published on ● Video Link: https://www.youtube.com/watch?v=y5KNno9P_g4



Duration: 2:19
69 views
9


FAULT 1. RAM NG 3 - replaced ic's 9 and 10 pair.
FAULT 2. Stuck on ROM OK screen - replaced 2 bit rotted program roms and 2x NEC support chips