(Topic ID: 228130)

TSPP display issues

By raiderrod

5 years ago

Topic Stats

6 posts
4 Pinsiders participating
Latest reply 5 years ago by ChrisHibler
Topic is favorited by 1 Pinsider

You

You are not signed in!

Find in topic

Linked Games

The Simpsons Pinball Party Stern, 2003

Topic Gallery

View topic image gallery

1AB6D5FF-0EA3-4B58-AEF4-1E8C3C46DF16 (resized).jpeg

Hi,just looking for some help with my display issue.For about 1 year when I first turned on my Simpsons Pinball party the display would show the game title and rom version.Then the display would go completely black for about 10 minutes before coming back on and displaying everything correctly.Now when I first turn on the machine it will show the game title and rom version and then go out and not come back on at all.I replaced the little power power board for the display,and put the display in my POTC and it works fine.I also reseated all the ribbon cables still not working.I'm at a loss,any help or suggestions would be greatly appreciated.

Did you reseat the connectors?

Yes I did reseat the connectors.

Does the MPU board have any alkaline corrosion?
Power is not the issue.
The issue is MPU to Dot controller communication.
—
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://www.PinWiki.com - The new place for pinball repair info

Chris
Can you elaborate on the ''No communication between MOU to DOT controller'' ? (What is MOU?) How and what can i check to be sure that is my problem?
Of course ,if you would also know how to solve the problem that would be nice!
Very similar issue on my TSPP too...https://pinside.com/pinball/forum/topic/tspp-2-problems
No corrosion on the board...

Thanks a lot!
Andre

Oops. Typo. Corrected. MPU to Dot Controller. I’ve fixed quite a few of these. There is a 74HCT273 that interfaces the 68B09EP to the plasma controller outputs. For whatever reason, that IC seems to fail on WhiteStar boards more than any other.

You could diode test it via the PinWiki procedure. But I’ve had that fail to indicate a failed IC.

I’ve seen corrosion on the dual headers cause the same behavior and corrosion on the dot controller itself too.

Those boards are not trivial to work on. I’d engage a pro before trying it yourself.
—
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://www.PinWiki.com - The new place for pinball repair info

1AB6D5FF-0EA3-4B58-AEF4-1E8C3C46DF16 (resized).jpeg

Promoted items from Pinside Marketplace and Pinside Shops!

Reply

Wanna join the discussion? Please sign in to reply to this topic.

Hey there! Welcome to Pinside!

Donate to Pinside

Great to see you're enjoying Pinside! Did you know Pinside is able to run without any 3rd-party banners or ads, thanks to the support from our visitors? Please consider a donation to Pinside and get anext to your username to show for it! Or better yet, subscribe to Pinside+!

Help – Contact – About Pinside – Support Pinside – Top