(Topic ID: 68869)

IJ Williams "You Cheat, Dr. Jones!" Club

By RDReynolds

5 years ago

Topic Stats

  • 4,825 posts
  • 396 Pinsiders participating
  • Latest reply 8 hours ago by KornFreak28
  • Topic is favorited by 193 Pinsiders


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#4564 80 days ago
Quoted from wolfemaaan:

Well, put in my last screw. Wooohooo! Well worth it. Some before dirt dog pics and after. Y’all been there, what a lot of parts this game has. Worth it tho[quoted image]

I might be able to beat this one, i'm starting a tear down next week on a new to me IJ (just joined the club). This sucker is FILTHY, i'll take some pics...

#4567 79 days ago
Quoted from wolfemaaan:

Dirt off challenge accepted

My idol would error out and it would just start ejecting balls everywhere... figured I might as well get it all cleaned up first and then troubleshoot issues...

Getting there on disassembly...

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#4575 79 days ago
Quoted from pinballinreno:

Better off with VM&P naptha on a rag instead of simple green.
Cleans better and wont raise the grain of the playfield or damage anything..
Water based cleaners are bad if you have to use a lot of it.

Yeah I’ve got naptha, so I’ll use that once I get the initial dirt off... should clean up nice, is decent shape overall.

#4581 75 days ago

Alright, got my IJ back together, but the issue i had before the tear-down is still there.

It'll work for a bit, then in the middle of a game, the display will go out and then it will just start launching balls in a never ending loop. If you power the game off and back on, then as it's sitting there, display will be out, it sounds an error (but you can't see it since the display is out) and it'll launch all 6 balls, and the coil in the subway release will just keep firing. If you start a game, then it just goes into launch ball mode.

I did check for 5v at the display. I have a ColorDMD installed.

Any help would be greatly appreciated!

#4583 75 days ago
Quoted from pinballinreno:

Put the old display back in and see if the problem goes away.

Is this a known issue? I've never had a bad ColorDMD before, I will give it a go though.

#4586 75 days ago
Quoted from gunstarhero:

My game did that shooting balls over and over thing when the trough opto came unplugged. I didn’t have any CDMD issues tho.

Yeah, i unplugged and replugged that one in, i wonder if it's bad...

Same issues with the regular DMD, only difference is that the regular one stays powered, whereas the ColorDMD goes blank. However all the rest of the behavior is identical.

#4587 75 days ago
Quoted from gunstarhero:

It’s probably less a bad CDMD issue and more a weak power driver board issue. I believe the CDMD and the optos both run off of the 12v section.

Ok, I'll do some digging and figure out where to measure the 12v.

#4590 75 days ago

Thanks, great info!

After sitting over night without power, it booted right up this morning. So i'll have to play until it resets again, but it doesn't just do a full-reset like i've seen in some of the videos, once it glitches, it's stuck in that weird state until I pull the power to the boards or let it sit for awhile without power.

#4591 75 days ago

Alright looks like my 12v is going out, LED 7 isn't lit and i'm only showing 1v at test point TP1 while the game is freaking out. Which explains why the mini-PF, the Idol and all the optos are spazzing since they don't have the proper voltage.

Trying to find another fuse to check that, also looking at the PinWiki to check some other things.

#4593 75 days ago

Yup, just saw that J116 is the 12v for coin door (where the colorDMD taps into) so that makes sense why it won't boot the ColorDMD.

Yeah, trying to find another fuse in my stash, otherwise it's BR5 or C30 causing the issue on the 12v circuit.

#4595 75 days ago
Quoted from Ericpinballfan:

Before you go there its all about fresh fuses.

For sure, just can't seem to find a 3a laying around, which seems stupid, LOL

#4596 75 days ago

Looks like i bought 5 3a slo-blo's back in March, just need to find them.... don't think i used them all...

#4598 75 days ago

New fuse, same issue, so BR or cap i would guess at this point.

#4602 75 days ago
Quoted from Ericpinballfan:

Inside this box are the 2 things almost no one replaces or checks first. All power to boards comes from here. Poor ignored power box on so many restorations ive seen. Start fresh with a new Varistor and Thermistor. both available on most pin parts sites. Marco's etc..
Replace these 2 components, most all are original and worn and old and are failing. This can cause issues for the 12v/optos and displays.[quoted image]

Great, added those my cart from pinball life...

#4604 75 days ago

Ordered the MOV, Thermistor, and a BR and Cap just incase.. rather have the parts on-hand once i start working through them.

Thanks for the help, will update once i get the parts and test and/or figure it out

#4605 75 days ago
Quoted from chrisnack:

Ordered the MOV, Thermistor, and a BR and Cap just incase.. rather have the parts on-hand once i start working through them.
Thanks for the help, will update once i get the parts and test and/or figure it out

Well crap, i decided i should probably check the AC voltage coming in to J112 as well, turns out there isn't any AC voltage coming in when the issue is happening.

#4608 75 days ago

Measuring AC @J112 with the DMM, one lead needs to be on one green/white and the other lead on the other green/white correct? No ground.

I always forget with AC..

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#4614 73 days ago

Replacing B5 and C30 fixed my issues.

Another question, is there supposed to be a bumper pad on the back stop for the mode hole? Noticed there are a lot of kick outs.

1 week later
#4661 62 days ago
Quoted from gliebig:

Joined yesterday.
Didn't get it setup until late, so I haven't properly leveled it.
1 After the post drops for the ball to go into the POA, it wasn't dropping in but going past the POA and into the left lane. Is that a level and or pitch adjustment issue?
2 Are the Lites Hand of Fate inserts on the inlanes always lit?
[quoted image]

Welcome to the club!

1) level/check switch roll-over
2) yes

3) looks like you have a different ruins plastic set, looks nice

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