Have you repinned all the connectors yet? Start there, that’s the best place to start with any sys1. I’ve owned a ton of them.

I’d you can afford it I would replace at a minimum the cpu board with a Pascal, those are the best. Ni-Wumpf second. Again I’ve owned them all. All in one from Pascal if you never want to worry about another board issue for the rest of your own life. However the stock power supply and driver boards are pretty robust overall.

I would say 90% of the sys1’s I’ve fixed have been by simply repinning all the connectors. Do that, then work on troubleshooting boards.

The connectors might look fine but I promise you they are not.

CPU or driver board? Driver board is very easy to repair, CPU less so.

HV regulator is shot.

RD schematics still show HV regulator to be LM317AHV.
This regulator has an *absolute maximum* input to output voltage rating of 60V.
You have roughly 90V coming in and normally 60V going out. So most of the time - there is a (90-60) or 30V differential.
If you short the output then these regulators will shut off the outputs until the short circuit goes away. BUT, for this design, there is a (90 - 0) or 90V differential. This is 50% higher than the manufacturer's absolute maximum rating. As a result - I have seen parts that actually exploded due to this type of failure.

Sinbad is one of the best if not the best Sys 1 game, it's a keeper, it's been in my collection longer than any other game i've ever owned. Mine is completely restored and looks like brand new. I'd strongly encourage you to get a Pascal P1-X4 board, the additional features bring the game up a bit (attract mode, some lighting features, some scoring change etc), the difference in playing a game with a Pascal CPU and the stock boards is night/day.

And you'll never have to deal with board issues again. I started out keeping a Pascal P1-X4 and moving it from game to game. Like i said you could just get the CPU board and save a little coin, but i liked the extra protection the all in one provides on the circuits.

Just my .02

^ This! I restored my Joker Poker last year and switched from a NiWumpf to the Pascal P1-X4. No regrets!

Does anyone else have tilt sensitivity issues with there Pascal all in one board. My joker poker does and so does my buddy pinball pool.

Never had any issues and I’ve used the boards in 5 or 6 games. I’m going to ask anyways you have adjusted the tilt bob right? It just makes a connection there really isn’t a sensitivity setting. It just grounds the connection.

I restored a JP a couple years ago with a CPR playfield, turned out beautiful.. I’ll never do cabinet painting again though, that sucked....

Oh ya cleaned and adjusted sanded bob, rod and ring, last thing to try is repin the connector for it. Guess I'm gonna try that. Good to here it's worked properly on multiple games for you gives me hope.

The game was rough but turned out awesome. Playfield, glass, plastics and cabinet were all done.

She’s my baby!

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Nice, LED displays too. I just put those in my Sinbad as 3 of my displays bit it finally. If I re-burned them they would fade out again in a few hours.

Turned out great! Well done!

Thank you!

I had previously done a STTNG and currently finishing up an Eight Ball.

Not sure what that means.
It's the tilt bob doesnt always register when your nudging if you love it by hand inside the cab to touch the bob to the ring it tilts out right away.
Didnt have this issue till I installed the Pascal all in one board but it is a older pascal board before they added the skill shot features.

My buddy's pinball pool has the same issue same board.
I'm gonna try repinning the connector as nobody else has had this issue.

Other then that I love the all in one pascal boards. Simply amazing and never has any playability issues.

there is a jumper wire you do to the board so the game does not slam tilt , yes check pins on connectors

was reading up on the pascal board manual and you can disable the slam tilt on the board , it's in the manual

Ya it's not a slam tilt issue.

I'm currently having the same issue.
Was thinking of adding a switch cap to one side of the tilt bob like the old school SS Ballys have on theirs.

Pascal tilt sensitivity issue fixed!!!

https://pinside.com/pinball/forum/topic/totem-isn-t-very-responsive-to-tilting/page/2#post-7558504