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**Reel Slots** Gaming Machines => IGT S and S-plus Reel Games => Topic started by: twinfire on November 16, 2023, 04:35:56 PM

Title: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 16, 2023, 04:35:56 PM
Hi all new here and new to the IGT S-Plus machines!

I was given two of these machines that don’t work. The guy I got them from had got them from someone else also for free. These machines have been neglected for many years and were stored in a shed with no doors and leaking roof, so very dirty, rust, and rat turds,  :Tongue_Out: but that’s only on the outside, the insides are very clean.

When I got them home I blew them off with compressed air, plugged in the one called “Five Times Pay” and the lights all lit up, but that’s about it. I tinkered around with it a little and decided to do some research before I ruined it completely. I learned about the fuses & battery which all checked out ok. I did pull the large MPU out and upon inspecting it I noticed an empty 28 pin socket! Not sure if there needs to be something there or not?

Anyway, I think I need to find out about this first before I go any further troubleshooting.

I believe this could be a nice addition to a man cave if I can get it all polished up and working again.

Thanks for any info you can share.





Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: RB on November 16, 2023, 04:54:53 PM
It's not needed for home use.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 16, 2023, 05:02:18 PM
Check the power connector on the motherboard.  It's notorious for getting hot and causing oxidation that results in a bad connection and the machine appears dead except for the florescent lamps. 
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 16, 2023, 06:43:40 PM
This is great news!

Thanks for that info RB & Tilt, appreciate it.

The power connector on the motherboard looks fine & is clean.

I have continued on & so far when first plugged in and the inside power switch turned on the DBV cycles 8 times. The fluorescent lights for the glass are on, the 25 cent light next to the coin slot is on, the winner paid window is showing the code 12 and the top candle is flashing both lights: top slowly, bottom flashing fast.

Pressing the white test button next to the power switch for a few seconds turns off the 12 code and it is replaced with 0 and the coins played window now shows a 3. The Spin Reel button lights up & the pull handle releases, everything else remains the same including the flashing top candle.

When closing & latching the front door everything remains the same. Pressing the Spin Reels button or pulling the handle at this point does nothing. 
 
That said, what are on now is the fluorescent lights for the glass, the top candle flashing back & forth, the 25 cent light next to the coin slot, the Spin Reels button lit up, the winner paid window is showing 0, the coins played window displays a 3 & the pull handle is still released.

At this point I don’t want to just start pressing buttons and trying different things until I ask here first.

What might my next step be?     

Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 16, 2023, 06:50:01 PM
The code 12 is a low battery.  Replace the battery on the MPU board and then you will get a 61 error.  Follow the instructions in this guide where is says "Initializing the new game" and you should be good to go.  I recommend using a Tadiran brand battery.  I've seen too many of those other cheap ones leak after a few years and destroy the MPU and motherboard.

http://www.newlifegames.net/spset/gamechange.htm (http://www.newlifegames.net/spset/gamechange.htm)

Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: off-track on November 16, 2023, 08:57:40 PM
The power connector on the motherboard looks fine & is clean.   

+1 on the battery as Tilt says.

Just to be clear.. when you power it on do the reels stiffen or can you move them freely by hand without feeling resistance to rotation?
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 16, 2023, 10:32:02 PM
Ok, new batt put in, turned it on and the 61 code!

Pressed the white test button and heard the bell sound along with the 61_1 code.

Closed the door, latched it & turned the jackpot reset, the error code went away… but then a few seconds later the 61 code came back and won’t go away now?  :wtf:

Yes "off-track" the reels are stiff

Does this mean it needs to be cleared now?  :ill:

If so, what do I need and how?  :Scratch-Head:

Thanks again all !!
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 16, 2023, 10:55:21 PM
Try it again and if it comes back then you're stuck in the 61 - 61-1 loop and will need to clear it to fix the problem.  Sometimes it happens, most of the time it doesn't .  Not sure why.  Anyways, you'll need a clear chip and Set chip so you can set the machine's denomination and enable the bill validator when you're done.  Send a PM to member RB, he probably has everything you need to do that.

Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 17, 2023, 07:11:37 PM
Ok “Tilt”, so I shut the machine down, pulled the MPU, removed all the plug-in chips, made sure all wire harness connectors were clean and tight and just looked over everything in general prior to putting things back together. Fired it up and same scenario, 61 code, press white test button & get the ding along with the 61_1 code. Close & latch door, momentarily turn jackpot reset then bam, 61_1 disappears! Unfortunately, that was short lived because the 61 reappeared again and won’t go away.

Oh well, like you said, best to give it another try & see what happens.

Also, form the pictures I previously uploaded can you tell if the correct game & reel chips are installed for this machine?

I’ll take your advice now and shoot RB a PM.

Thanks again for everything!
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 17, 2023, 08:03:06 PM
Yep, it's stuck in the loop.  Clearing it should fix that, but it will also return all the machine settings to default, so you'll probably want to make some changes when you get it back up and running again.

Yes those are the correct game and reel chips.  Your reel chip is 90%, you may want one that pays better than that.  If so, contact RB for that as well.  You can see the reel chip paybacks for your machine here:

http://www.newlifegames.net/igtbible/IGT%202CM/Game%20Library%20-%20S-Plus%20-%20Five%20Times%20Pay%20(2%20Coin%20Multiplier).htm (http://www.newlifegames.net/igtbible/IGT%202CM/Game%20Library%20-%20S-Plus%20-%20Five%20Times%20Pay%20(2%20Coin%20Multiplier).htm)

Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 17, 2023, 09:49:38 PM
Ordered the clear & set chips through RB.

I’ll update here once I receive & use them, hopefully it will get me closer to getting this old girl functioning again!  ;D
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 20, 2023, 03:48:50 PM
Just an update on my putzing around:

I have not received the clear/set chips yet, but for shits & giggles I took the mother board out of my other IGT S-Plus machine “MOOLAH” & put it inside the “FIVE TIMES PAY” machine along with the “FIVE TIMES PAY” MPU. Turned it on and everything lit up, BV did its cycling & zero lit up in the coins played window. I closed the door & the zero switched to a 2, the reels turned & the hopper cycled.

The 61 code never appeared this time? I think this is a good thing, yes?  :Scratch-Head:

After everything cycled a 3300 starts flashing in the winner paid window with the number 2 in the coins paid window flashing as well, the candle on top flashing back & forth too.

The machine seems to be stuck here now, any suggestions?
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: a69mopar on November 20, 2023, 04:05:08 PM
3300 is hopper empty.  add coins for it to complete it's payout. If it has enough coins, but doesn't spit them out, there could be a coin jammed under the coin knife or other issues.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 20, 2023, 05:26:01 PM
Lol… Didn’t know that!  :lol:
Thanks for the tip, machine seems to be working just fine now!!!  :yourock:
Just need the set chip now for the BV, hopefully it will end up working too!
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 21, 2023, 09:38:26 PM
Well I got the chips in from member “RB” thanks again Ron; they showed up sooner than expected.  :thank_you:

Unfortunately after running the set chip the BV does not work. The face where you put the bills does not even light up.

It does however cycle through a few times when machine is turned on. If you look inside the slot where you put in the bills you can see what looks like red laser lights. Trying to insert a bill does nothing, shows no sign of life. All connections look to be good and I even unplugged them all & reseated them to no avail.

If anyone has suggestions I am all ears,

Thank you.

Also, I have been working on getting my other IGT S-Plus “Moolah” machine working (pic below).

I have just purchased a complete MPU board including game & reel chips from member “Jim”, can’t wait to receive that and get this “Moolah” machine working as well.

I will start another thread on that machine once the board comes in to let you know my progress on it.

Thanks again everyone for all the help!
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 21, 2023, 10:06:51 PM
So you ran the clear chip, got out of the 61-1 loop, then used the set chip to set the denomination and enable the validator, but the validator isn't working still.  Is that correct?  The machine is playable with coins, but not the validator?
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 22, 2023, 11:15:49 AM
Hi Tilt,
Yes, that is exactly what I did.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 22, 2023, 11:18:10 AM
… oh and the machine plays just fine with coins.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 22, 2023, 11:23:05 AM
OK good.  When you enabled the validator did you also set a denomination?  Here's instructions for using the SET chip.

http://www.newlifegames.net/spset/dbv.htm (http://www.newlifegames.net/spset/dbv.htm)

Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 22, 2023, 11:28:22 AM
Yes, in fact I did it twice just to make sure. Set it to 25.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 22, 2023, 02:02:44 PM
Have a look at the picture below, either I’m doing something wrong, or the wording is wrong in the instructions.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 22, 2023, 03:20:53 PM
I think that's probably and error, but S+ machines do have different LED displays.  One on the bottom of the reels, and the other to the right side of the reels.  They may be different, I'm not real sure, but as long as you get the 9-1 in either window it's working.

What SP game PROM do you have in your machine, 731?  It may need to be enabled in the game options as well.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 22, 2023, 03:43:55 PM
What SP game PROM do you have in your machine, 731?  It may need to be enabled in the game options as well.

Yes, SP731

How would I enable it in the game options?


Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 22, 2023, 03:57:29 PM
I attached a PSR for SP731.  It's actually the same menu as the set chip, so you can only view it, not change it from the self test menu.  You should probably check it though to make sure it was saved correctly if you haven't already done so.  Another thing to look at is the limit settings, although I'm pretty sure the validator is enabled with the machine default ones. 
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 22, 2023, 04:50:33 PM
Thank you for that, I'll have a look see.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 24, 2023, 09:00:38 PM
Well, I was able to get the bill acceptor lights to turn on using the test procedure, but that’s about it.

Still can’t figure out why it won’t light up on its own and accept bills.   :Scratch-Head:

Any suggestions?

Would it be best for me to start a new post on my DBV not working?
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: knagl on November 24, 2023, 09:05:57 PM
It does however cycle through a few times when machine is turned on.


"A few times" could be subjective, but if you hear it cycling more than once or twice on power-up, it's likely that the validator is not mating properly with the stacker box (the "cash can") and it eventually gives up after trying about three or four times. If you can post a brief video of the power-up sequence and sounds that it's making, we can help to confirm that.

The best way to post a video here is to upload the video to YouTube, and then paste the YouTube link here.


Also, I'm guessing it was a typo in the DBV instructions. I don't feel like pulling a board out of one of my machines to go through it myself, but I'm taking your word that the directions should have indicated the Winner Paid window (and not the Credits window as previously noted) and I updated the instructions accordingly:

http://www.newlifegames.net/spset/dbv.htm (http://www.newlifegames.net/spset/dbv.htm)
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 25, 2023, 03:42:22 PM
After being powered down & un-plugged over night, I plugged it back in and turned on the switch. The machine started as usual with the BV cycling I believe twice. This time however the cash/credit button was lit up (I don’t recall this happening before) so I pressed it & the BV lit up as if it were ready to accept bills! Of course I had to try it, so I slid a $1 bill inside & it took it giving me 4 quarters. I slid another in & it gave me 4 more  :Tongue_Out: (no pun intended). I tried another $1 bill, it took it and nothing happened, no coins returned, no credits, no nothing. I turned the machine off, then back on after a minute or two & the machine spit the $1 bill back out. Now the machine shows no sign of taking bills again. I can’t seem to figure out what made it start working, or what made it stop working.  :Scratch-Head:
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 25, 2023, 07:31:43 PM
I'm starting to think you have a bad bill validator power supply or a bad validator.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 28, 2023, 07:05:46 PM
Ok, I finally got the bill validator to work. After lots of inspecting of the inside of the machine & unplugging wire harness plugs one by one cleaning them etc I found the culprit. The white six pin connector on the left side of the BV had a tiny bit of oxidation on the pins. I scraped them with an exacto knife & voila; it lit up & started working!

Great, now I have only tried it with one dollar bills since it is a DBV 45, or 145 not sure if they are one & the same, but anyway it works.

Then I discovered that if you put in a bill it doesn’t like, or in upside down it tries to reject it & spit it back out, but can’t seem to do it, the BV just makes noise like it’s trying to kick it out & then it stops. The bill validator then becomes inoperable, the top light on the candle lights up solidly. The machine must be turned off then back on in order for the bill to eject itself without any problems & the machine then resumes play.

Why do you think the machine needs to be cycled off then back on for the bill to eject properly?

Could it be a setting?

Is it doing this so an attendant must come and reset it, maybe check for counterfeit bills being inserted?

Thanks

Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 28, 2023, 07:25:43 PM
Dirty contacts can cause problems no doubt.  Glad you figured that one out. 

DBV-45 and DBV-145 are different validators.  The DBV-45 will accept bills face up or down, the 145 is face up only with the black seal entering first. 

When it accepts a bill, does it stack it and give you credit for it? 



Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 28, 2023, 07:33:15 PM
When it accepts a bill, does it stack it and give you credit for it?

Hi Tilt & thanks,

Yes, it stacks in the cash can nicely & issues 4 credits, it is a 25 cent machine.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 28, 2023, 07:40:39 PM
... also I just checked, it’s a DBV 45-SS-6021

Funny thing is it only accepts the bills face up with the presidents head on the right hand side?
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 28, 2023, 07:47:44 PM
It's old, but a manual I found for it says it will accept it face up or face down. 

The acceptance part is working as it should.  I'm not sure why it would have problems rejecting it if it's not wrinkling the bill up, which apparently it's not because it can reject it when you power cycle the machine.  There isn't any setting I can think of that would cause that, but I don't know why it would be doing that either.  Hopefully someone with more experience with them will have some ideas for you. 
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 28, 2023, 07:57:49 PM
Ok, thanks again Tilt for all your help and suggestions, I sure do appreciate it.   :thank_you:

I’ll sit tight in hopes that someone will shed some light on this issue.

It seems it should be an easy fix, but then again…   :Scratch-Head:
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: knagl on November 28, 2023, 10:21:14 PM
There is no setting that would cause the machine to retain a rejected bill. It sounds like the validator is having issues successfully rejecting the bill on the first attempt, but then upon a power cycle is then able to.

The ultimate solution would be to upgrade your bill validator. The 45 is a very old one and at best it's only going to likely accept $1 bills, unless you have a stash of really old design US currency.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: off-track on November 28, 2023, 10:44:28 PM
It seems it should be an easy fix, but then again…   :Scratch-Head:

Not to pile on here but... I'd suggest you contact Jim @ Midwest (home page vendor) to get a newer DBV/transport mech assembly.  That would take care of your transport problem,  make life much easier and allow for more denominations of newer bills.  His prices are more that reasonable and he offers great tech support.
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: twinfire on November 29, 2023, 02:19:40 PM
Call me crazy, but I just don’t understand this.  :Scratch-Head:

After I logged off this site last night I turned off the machine with the switch behind the door then closed the door & latched it, then unplugged the machine from the wall.

About an hour ago I plugged the machine in, opened the door, turned the switch on let it do its startup then inserted a dollar bill. It took the bill and gave me the 4 credits as it should. Now for a test I put another bill in (the same bills I’ve been using this entire time for testing purposes) but this time upside down & the BV ejected the bill!! What, I couldn’t believe it, so I did it again & it ejected the bill again.  :wtf1: Letting it sit overnight and now it works just fine???  :arrowthruhead:

Hey, not complaining here, just confused as hell, but at the same time extremely happy it’s working.  :Jump:

I will let you all know how long it stays working, but also if I ever figure out what the issue was, or is, I will be sure to post it here.

Thank you all again for all the help! 

Now it’s time for me to figure out the problem with my other S-Plus machine bill validator, that post is here if you’re interested:
  https://newlifegames.com/nlg/index.php?topic=41125.0 (https://newlifegames.com/nlg/index.php?topic=41125.0)
Title: Re: Empty "U18" 28 Pin Socket on IGT S-Plus MPU Board
Post by: Tilt on November 29, 2023, 04:12:44 PM
I've had odd things like that happen before too.  Something isn't working and ya start troubleshooting it and all of the sudden it works and you have no idea what you did to get it working.  Sometimes the original problem comes back, sometimes it doesn't.  Let's hope it doesn't!

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