T2-Pinball Help please...

dbpbandit

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I'm working on a Terminator 2 Pinball game that is doing something very odd. The games Display was having issues displaying some of the animations, i.e. When it first boots up and the animation that plays right after the "Match" animation ends just to name a couple. I didn't do much on this at the time because I was trying to troubleshoot other issues before tackling this one. However, one of the other issues was that the left flipper was having intermittent issues. It seemed to work fine for a while and then starts to lose power and move very slow. I couldn't find anything obvious except that one of the wires at the solder end (near the solenoid) had a few stay strands that I thought could be (at times) touching other leads. I cleaned them up and played it a while and everything seemed fine, except for the display. Now today (this is where it gets weird) the flipper is only moving very slow with no power and the display is working perfectly???? Only odd thing about the flippers is that the solenoid on that one is not the same as the factory original one on the the right, must have been replaced by the previous owner and he didn't use the same one as the original. Any thoughts or suggestions? Thanks...

-Dave
 
Check the EOS switch to make sure it is working properly. Clean the flipper switch button. Check to see if the rod moves freely through the coil / sleeve. I'd start there.
 
Thanks, I checked all of that, everything there seems to be fine. I can see that effecting the flipper performance but how the heck can that effect the display? Thats what really has me concerned...

-Dave
 
I'm working on a Terminator 2 Pinball game that is doing something very odd. The games Display was having issues displaying some of the animations, i.e. When it first boots up and the animation that plays right after the "Match" animation ends just to name a couple. I didn't do much on this at the time because I was trying to troubleshoot other issues before tackling this one. However, one of the other issues was that the left flipper was having intermittent issues. It seemed to work fine for a while and then starts to lose power and move very slow. I couldn't find anything obvious except that one of the wires at the solder end (near the solenoid) had a few stay strands that I thought could be (at times) touching other leads. I cleaned them up and played it a while and everything seemed fine, except for the display. Now today (this is where it gets weird) the flipper is only moving very slow with no power and the display is working perfectly???? Only odd thing about the flippers is that the solenoid on that one is not the same as the factory original one on the the right, must have been replaced by the previous owner and he didn't use the same one as the original. Any thoughts or suggestions? Thanks...

-Dave

Can you give a little more detail with the DMD issue? You mean after the match comes up it goes blank??
 
After the match sequence finishes, the very next animation is all scrambled. Then after that one the next image/animation is fine. The other scrambled animation is the one that runs just as you turn the machine on.
UPDATE: Yesterday the left flipper (the one that had the issue before) is not permanently malfunctioning, no longer just a occasional problem (it moves very slow and has no power) BUT, since this became unusable the DMD display is now working perfectly???? Could there be any link or is is just a coincidence?

-Dave
 
I would doubt that the DMD and flipper issue are related, unless your connections between boards are very messed up. Have you looked over your schematics yet to make sure every connector is going to the right header on each board?

The DMD issue is a bit tough to diagnose, if you have already checked the ribbon cables and power connectors. By that I mean breaking out a multimeter and checking connectivity on each and every pin to make sure it's getting a good signal from the ribbon cables and checking voltage on the molex connectors.

The flipper issue isn't bad, check your End Of Stroke switch like mentioned and also your flipper switch. I recently had a flipper that was weak, readjusted and cleaned the flipper leaf switch and it's back to 100%.
 
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alot of problems relating to scrambled animations can be attributed to faulty connector ribbons or the dmd board itself (not the display)

I would check the dmd board and the ribbons, it may also be an e-prom issue with messed up coding.


James
 
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