S+ new owner, few issues

[777sizzler]

I Must agree with your techinque as it is old school.  I am working on trying to remember as I do not have a canidate in front of me.  Have to think back to s+ days .  The game works fine, No errors, Just won't take coins.  This member I think will triple check all and Let us know.  Here is a question.  After it was turned off from working (except taking coin input) did it return to a working status less coin input?.

[knagl]

As Buzz mentioned, you'll never see that light on under normal circumstances.

Adjust the comparator sensitivity so that it's less likely to reject coins.  Using a tiny screwdriver, turn the dial all the way back and forth a few times to make sure it's making a good contact, ending up dialing it away from the plus, then see if your acceptance improves.

Using a tiny screwdriver, adjust that counter-clockwise (away from the +) to make the comparator less sensitive -- that'll let the comparator reject fewer coins.

[PStuart]

I played with the screw at both extremes and several steps in between with no luck.  I did notice when comparing Knagl's photo with mine, it appears I'm missing a screw on what I believe is part of the "rake assembly".  I've tried comparing to other's photos but I'm unclear if it is supposed to be mounted to something or what that screws function is.  See the image:

[CVslots]

Looks like your CC is missing the counter-weight. The function of the weight is to slow the coin down to a speed that the optics can analyze the coin and do its job. Not needed necessarily on smaller coins (dollars, yes it's needed).


On the adjustment, best way to know you hit all do the adjustments is to start all the way to one direction, then adjust 1/4 turn at a time and see where you get.


What happened when you propped open the rake on the back as Buzz suggested?

[Buzz]

What your missing is a counter weight, will work fine without one. The rake is on the back side, and it is is like a door, if the comparator decides you dropped in a good coin that rake will open and the coin drops out the good side of the comparator, through the coin optics and into the hopper. If a bad coin, the coin will drop out the bad side back to the tray.
 
On a S  machine you don't have to but if you disconnected the power with the rake blocked open all coins will go to the hopper, it's acting no more than a coin chute.

[CVslots]

Buzz...don't say what I say!

[Buzz]

I didn't say " Oh S**t " at least not in this thread. 
 
If I type it I'm gonna post it, I don't care how long I take.

[PStuart]

When I block the rake open (outwards) from the comparator, the coins go through and into the hopper.  The machine does not recognize that a coin was inserted.  I put 10+ quarters through, each went to hopper, 0 credits added.

[Buzz]

Been a long time since I've done this. I know there are some test you can do in he menu I just forget how. So do this and I think it will tell us something. The coin optics located right below the comparator ( I'm assuming the plug is attached and you have NO bent pins ) OK do you see a very small White button on the optic board, press it two or three times and with the main door still open, press the spin button, The reels should have spun,  if they didn't I'd say there is a better than even bet the coin optic board is bad.  If they did spin, remove the comparator and from the top of the optics use a Q tip and knock all the big chunks of dirt off the optics. While you have the Comp. removed look down at the lower part and the encoder ( shimm ) should be of the size that the coin your using should be a tight fit as it passes in front of the optics. If there is no encoder install or say one for a Dollar size coin the coin is going to the hoppper to your left side and the optics are not seeing it as it passes.

[CVslots]

Ready for Coin Comp Troubleshooting 101? if not, get ready, because i found a BUNCH of info that will help you! I was just reading some notes I had on Coin Comps from old posts, most likely from Jim (MidWest Slots).

According to my notes, even though I already lied to you and Buzz seconded the idea, if you have no counter weight (or one of the wrong weight, like too light or too heavy), it COULD cause coins to go to the tray! Can you rig up something, even just a short screw, to act as a weight? I'm sure someone can get you one this week, but meanwhile, you may be able to tell if this is the issue. One things for sure, you have nothing to lose by trying it!

Also, one thing that will eliminate everything else EXCEPT the coin comp. is the little button Buzz is talkig about on the optics. Its on the green optics board directly below the coin comp. It is a TINY white push button (I will try and find a pic for you, since it doesn't look like a button, looks more like a little rectangular piece of plastic), with the door open, push this button, it will put credits on the machine (up to the max bet)  then pull handle game should operate as normal. If this works every time then everything from the coin optics to the CPU board are working and your problem is with the coin comp. and/or its associated wiring.

The coin comp. works in this fashion: the sample coin you have in the CC establishes a electronic signal. Any coins coming into the CC are compared to that signal, if they match,the rake (coil) is pulsed open for a brief moment and the coin is allowed to pass through the CC into the coin optic and establish a credit. If it doesn't match, the rake is NOT pulsed and the coin is sent to the reject path through the cc and is returned to the coin tray. You can "lie" to the CC and shim out the rake (simulate the rake being pulsed-Opened all the time) if all other circuits are working you should be able to operate and play the game. If this works,then your problem is the CC itself.

One other area that could cause the problem is the woring going into the CC. Check the wires that plug into the CC. Sometimes, from being bent and reinserted so many times, the actual wire is broken inside the insulation. This would prevent voltage from getting to the CC and, of course, then it would not work or work intermittently.     

[Buzz]

Joey and I discussed these counter weights last week, his commit " I always throw them away "

[PStuart]

Also, one thing that will eliminate everything else EXCEPT the coin comp. is the little button Buzz is talkig about on the optics. Its on the green optics board directly below the coin comp. It is a TINY white push button (I will try and find a pic for you, since it doesn't look like a button, looks more like a little rectangular piece of plastic), with the door open, push this button, it will put credits on the machine (up to the max bet)  then pull handle game should operate as normal. If this works every time then everything from the coin optics to the CPU board are working and your problem is with the coin comp. and/or its associated wiring.

Great info, thank you.  I opened door and pushed the button and it functioned just as you described it.  I could press it, it would ding and give me a credit (up to max bet) and then could spin.  So the obvious next steps to tackle are to rig up the counter weight and clean the coin optics. 

Buzz, thank you for your info as well.

Tomorrow afternoon I'll rig up some type of counter weight system and see if that makes a difference.

[jay]

1. I would try a different coin,
2. I would remove and reseat the comparitor harness.
- Asking the forum - but the harness can fit on two ways. Does this look correct or should it be reversed ?
 

[Buzz]

Jay I don't know which picture your looking at but the one I posted in #28 works just fine.