I recently acquired my first pin, a childhood favorite of mine - a Haunted House. It works well, but does have a few minor issues. The most notable is that the lightning effect in the backbox doesn't happen. Also, the upstairs window that is supposed to occasionally flash, doesn't.

I've checked the Sound Board DIPs 3/4 and they are set to ON/OFF, which should mean that the attract mode triggers every 10 seconds. Also, the lamp that lights the eyes of the raven, and one just to the lower right of the house, is always on. From what I've seen on other games and videos online, I don't think this is right. All of the sound effects and playfield lights cycle, so attract mode seems otherwise OK.

Note that this game has the Ni-Wumf System-80 CPU upgrade. Also, when I first picked up this machine, I noticed that many of the lamps in the backbox for the lightning area were missing. I replaced them all with #47s. Was that a mistake??

Here's a quick video I captured, for reference, of how it looks now:

*note that it is still being processed by YouTube and might need an hour or so before its up

Any ideas on what I might try?

Bump. Anyone have ideas on what's going on here?