So I got bored while my DMD was being fixed and started pulling bits off the machine. I’m now knee deep in a refurb.
Before I go any further, I’d like to thank everyone who has helped me get this far, especially @pinballmania @Sgt GrizZ and @RobZombie
First thing I did was play the game to find what was working and what wasn’t.
Actually, no, first I gave it an initial clean with some baby wipes and Car cleaning kit as it was absolutely filthy and stank of ashtrays.






Delivery:

The machine would light up but wasn’t playable as an issue on the power board meant it wouldn’t boot.
So I fitted a new bridge rectifier and that fixed it so It booted and I could play it and make sure it all worked.

I also found some nasty hacks to the GI circuit (power supply board and the playfield power board) so replaced both sets of header pins and fitted molex connectors.
Before:


During:




After:


On the next picture I’ve soldered a piece of header pin across the four pins together on the underside of the board. Prevents any one pin getting too hot by sharing the load across all of them. The connection is actually on the top side of the board so the connector is in the way when you’re working - this helps ensure a solid connection with no weak points to get hot again. Conformal pen to touch up and prevent arcing / shorts


Next I removed the other boards, cleaning them with a brush in an isopropyl bath and rinsing them with clean iso.
Cleaned behind the boards and removing any crud from the metal plate. Then put back in place, with the correct number of screws!
Also stripped the flipper boards and fitted new fuse holders. The fuses literally fell out of the originals; I have no idea how the game was even working with them as they were. Boards cleaned in isopropyl.



More operator hacks...
The green wires below were twisted together and taped, not even soldered. Tut.





Before I go any further, I’d like to thank everyone who has helped me get this far, especially @pinballmania @Sgt GrizZ and @RobZombie
First thing I did was play the game to find what was working and what wasn’t.
Actually, no, first I gave it an initial clean with some baby wipes and Car cleaning kit as it was absolutely filthy and stank of ashtrays.






Delivery:

The machine would light up but wasn’t playable as an issue on the power board meant it wouldn’t boot.
So I fitted a new bridge rectifier and that fixed it so It booted and I could play it and make sure it all worked.

I also found some nasty hacks to the GI circuit (power supply board and the playfield power board) so replaced both sets of header pins and fitted molex connectors.
Before:


During:




After:


On the next picture I’ve soldered a piece of header pin across the four pins together on the underside of the board. Prevents any one pin getting too hot by sharing the load across all of them. The connection is actually on the top side of the board so the connector is in the way when you’re working - this helps ensure a solid connection with no weak points to get hot again. Conformal pen to touch up and prevent arcing / shorts


Next I removed the other boards, cleaning them with a brush in an isopropyl bath and rinsing them with clean iso.
Cleaned behind the boards and removing any crud from the metal plate. Then put back in place, with the correct number of screws!
Also stripped the flipper boards and fitted new fuse holders. The fuses literally fell out of the originals; I have no idea how the game was even working with them as they were. Boards cleaned in isopropyl.



More operator hacks...
The green wires below were twisted together and taped, not even soldered. Tut.





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