I'm having the same trouble as you but with the letter 'A' of Skylab. I can adjust the switches to get it working, but then when all letters score, the bonus unit just keeps on awarding bonuses! I'll watch your topic with interest as all those bonus unit switches have been cleaned and look to be adjusted properly and I'm not sure where to look next.

I have the manual, but it's not all that helpful in this instance.

I really didn't word that very well...I really like the manual. It's way more detailed and comprehensive than a Gottlieb manual of the same era; but it's not helpful in this instance for my particular issue. Yes, it's great for relays and switch settings and adjustments on the mechanism panel and what rubbers are needed, but I wish it had more about the score motor & score reels and their settings and the startup sequence. But I know you can find this info out elsewhere.

It's a little hard to make out whether they're open or closed on the schematic. I'm looking at the copy from the IPDB.

Can someone with a Skylab take a pic of the cabinet relays as mine have lost a lot of their name tags.
Thanks in advance!

Much better than reading glasses... watcha got, a big 'ol Sherlock Holmes magnifying glass or one of them light up jobbies?

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I need something like that...I'm using my little solder 'third hand' with the magnifying glass attached with all the alligator clips. Great for soldering, not so good for reading!