(Topic ID: 195895)

Rottendog Whitestar driver issue


By gregh

1 year ago



Topic Stats

  • 11 posts
  • 6 Pinsiders participating
  • Latest reply 1 year ago by mainelycoasters
  • Topic is favorited by 1 Pinsider

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#1 1 year ago

I'm working on a high roller casino for someone and it's doing something very strange.

The owner put a rottendog driver in it, and now unexpectedly during a game, all of the coils will shut down. I've never seen this before. The game is still active; IE it's constantly ball searching, the switches still function, game is in play etc. If I power cycle it, everything is fine again until the next time it happens. I don't have the old driver board to swap in and test, so I'm looking for a little guidance. I have an email in to rotten dog about it, but I haven't heard anything back yet.

Any thoughts are much appreciated!

#2 1 year ago

I have a Ripley's that is doing the same thing. The coil power flutters a a bit and then it goes dead. It also has a Rottendog driver board and I have been trying to track down the problems for weeks.

#3 1 year ago

Mine does the flutter as well. I found one thread where someone was having that issue with the RD board, they put in an original and the problem went away. I would hate to have to do that.

#4 1 year ago

Get a hold of Rottendog themselves. I had the same issue, coils would die, but game stayed in play. Sent the board back to Rottendog, they confirmed it was a board issue and sent me another one.

#5 1 year ago
Quoted from blowback1976:

Get a hold of Rottendog themselves. I had the same issue, coils would die, but game stayed in play. Sent the board back to Rottendog, they confirmed it was a board issue and sent me another one.

Waiting on a replay. I might try a phone call tomorrow.

#6 1 year ago
Quoted from Jodester:

I have a Ripley's that is doing the same thing. The coil power flutters a a bit and then it goes dead. It also has a Rottendog driver board and I have been trying to track down the problems for weeks.

1 week later
#7 1 year ago

Ok follow up and end to this thread. I talked to Rd on the phone today. They advised me to short pins 3 and 4 on U210. I soldered a resistor lead to each leg on the chip.

Well that fixed it. Played all night and everything worked flawlessly. Not sure if this has been fixed or not on the most recent boards (this one was purchased recently from big daddy, so it may have been older stock) but that's what worked for me. Also, pin 1 is the top right of the chip for reference.

Hopefully this will help someone else having the same issue.

Cheers

#8 1 year ago

It appears pin 3 (voltage tolerance) pin was left floating on their design.
That input is supposed to be tied high (reset at 4.5V or 10% VCC tolerance) or tied low (reset at 4.75V or 5% VCC tolerance) and should never be left floating.
Adding the jumper from pins 3 to 4 selects the 5% tolerance. If the 5V line dips below 4.75V then your board will reset (which is what it is supposed to do with that setting).

#9 1 year ago
Quoted from G-P-E:

It appears pin 3 (voltage tolerance) pin was left floating on their design.
That input is supposed to be tied high (reset at 4.5V or 10% VCC tolerance) or tied low (reset at 4.75V or 5% VCC tolerance) and should never be left floating.
Adding the jumper from pins 3 to 4 selects the 5% tolerance. If the 5V line dips below 4.75V then your board will reset (which is what it is supposed to do with that setting).

Great explanation. It seems years later Rottendog is still not as reliable as they claim to be.

#10 1 year ago
Quoted from G-P-E:

It appears pin 3 (voltage tolerance) pin was left floating on their design.
That input is supposed to be tied high (reset at 4.5V or 10% VCC tolerance) or tied low (reset at 4.75V or 5% VCC tolerance) and should never be left floating.
Adding the jumper from pins 3 to 4 selects the 5% tolerance. If the 5V line dips below 4.75V then your board will reset (which is what it is supposed to do with that setting).

Yes thanks much for the explanation. I have to say, they were really quick at calling me back to give me a fix for the issue. No love lost here.

7 months later
#11 1 year ago

dumb question but does anyone know how to identify the boards needing this mod from the newer ones?

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