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**Reel Slots** Gaming Machines => IGT S and S-plus Reel Games => Topic started by: slotmandave on July 02, 2014, 06:02:17 PM

Title: s+ mother board
Post by: slotmandave on July 02, 2014, 06:02:17 PM
is there any one who repairs mother boards for the s+ or any know where I can buy two?  I have two down machines and can't find the parts? Thanks
Title: Re: s+ mother board
Post by: Willliam Gandy on July 03, 2014, 11:49:49 AM
ohio slots sold me two of 'em couple months ago
Title: Re: s+ mother board
Post by: slotmandave on July 03, 2014, 11:55:05 AM
Thanks ,I will give them a try
Title: Re: s+ mother board
Post by: knagl on July 03, 2014, 01:55:38 PM
To be clear, on an S+ machine the motherboard (backplane) is the fixed board in the bottom (or back, for a slant top) of the machine which contains the EEPROM and some circuits. 

The MPU board is the removable board which mounts in the silver tray, and holds the GAME and REEL EPROMs, has the volume control (10mhz version), and tons of other resistors and capacitors and the like.  The MPU board plugs into the motherboard.
Title: Re: s+ mother board
Post by: slotmandave on July 03, 2014, 02:08:38 PM
Yes , that is the mother board I need, two of them , I guess they are getting hard to find? Thanks
Title: Re: s+ mother board
Post by: CommTech on July 03, 2014, 05:14:16 PM
is there any one who repairs mother boards for the s  or any know where I can buy two?  I have two down machines and can't find the parts? Thanks

Could there be something that one of us might be able to help you fix yourself?  Not many components on those motherboards. 
Title: Re: s+ mother board
Post by: slotmandave on July 03, 2014, 05:45:39 PM
If they can be repaired I don't know ? I heard there are some chips in it that can be changed ? Can you buy those chips? I am up to try any thing but would need some info, I was hoping some one might have some for sale but to fix it would be better as I might learn something!! Thanks
Title: Re: s+ mother board
Post by: CommTech on July 03, 2014, 06:14:36 PM
Actually, there is only one chip on the motherboard.  It's the EEPROM that stores the game play data after every 100 spins.  Why do you believe that the motherboard is bad?
The problems with the motherboards are usually due to corrosion of the Molex pins, or bent pins.
If you can give us some more information on what the problem with each machine is and post some pictures, we may be able to help you out.  :yes: 
Title: Re: s+ mother board
Post by: slotmandave on July 03, 2014, 06:34:13 PM
I changed the mother board with one from another machine and the game plays, What happens on one bad board is nothing, no display no anything, on the other bad mother board the game keeps restarting after  10 seconds or so and does not accept coins that seems like a connection?  Can you buy eproms  and change them?
Title: Re: s+ mother board
Post by: CommTech on July 03, 2014, 06:41:49 PM
Nether problem sounds like a bad EEPROM issue.  More likely burnt or bent pins.  Can you post some Pics of your bad motherboards? The more detail the better.  :Please_Post_Pictures_2:
Title: Re: s+ mother board
Post by: Clawsino on July 04, 2014, 09:36:46 PM
I have a couple of the motherboards (backplanes) that have burnt resistors, but other than that I beleive they are fine. I was hoping to use these in some machines I have with very bad corrosion on the motherboards. I'm wondering where I could get the resistors from? I had no luck finding any one with replacment motherboards.
Title: Re: s+ mother board
Post by: CommTech on July 04, 2014, 10:55:49 PM
I have a couple of the motherboards (backplanes) that have burnt resistors, but other than that I beleive they are fine. I was hoping to use these in some machines I have with very bad corrosion on the motherboards. I'm wondering where I could get the resistors from? I had no luck finding any one with replacment motherboards.
If you know the values of the resistors you can get them from mouser.com.  If you do not know the values then upload a few detailed pics of the location of those burnt resistors and we can let you know the value that you need. 
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