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I am trying to convert one of my Bally machines to accept quarters. I believe that I have everything as far as the comparitor, coin head, optic board, etc. installed correctly. When I drop a quarter into the machine, it goes to the hopper, but no credit is registered, when I open and close the door after this, i get an error code "24" Coin Reverse, which means a coin was sensed traveling from the bottom to the top of the opyic block. Anyone know what I can do to resolve this? If someone has a picture of what the coin comparitor section loks like on the inside of the machine, I can check that with mine to make sure I have everything installed correctly.

Thanks,

David

Do you get a credit when you push the little white button on the sensor board?...Hope this helps...

What's the extra wire for on your?
Sorry Mr. Dinoman , I thought it was Daves.
Dave, an IGT is different

yes, when I press the button on the optic board I am able to add credits

I have several spare comparitors, how can I identify which one will work with this Bally machine?

The extra wire is a ground connection...Someone pulled out the ground wire so when I got it, it did not work...

David,
Can you post some photo's...They always help... :211-

I think my problem is that I need a 24v comparitor. All I seem to have are for S+ and S2000 machines.

If you notice in the photo's that the coin sensing coil wire are gray...That usually indicates 24v if not labeled on the coin comparitor...
Jimmy

That's all well and good except  S+ use 24V and S 2000 13V

I found a few comparitors that have CC-40 on them and they have the grey wires. When I plug up the comparitor, the green led does not come on, is there a way I can check to see if it is getting power?

What you need is a CC16D 24vac....I do not believe the MC-40 will work...If I remember right it has a 7pin connector and the cc16 has a 6 pin...

Maybe this will help:

Here is the run down on coin comparitors.

CC-62 12VDC (common to Bally & Aristocrat)
CC-62 Wide Body 12VDC (common to Bally)
CC-62 12VDC (special for Military)
CC-33/CC-37 24VAC (old version-common to IGT)
CC-33 12VDC No Inhibit
CC-16 Multi-Voltage (early version as PEM-46)
CC-16 Multi-Voltage No Inhibit (early Bally)
CC-40 24VDC (early Bally - as a PEM-48)
CC-40 12VDC (Special - R29 = 1MEG)
CC-16-D 12VDC Inhibit (common to Sigma)
CC-16 12VDC No Inhibit (Atronic/VLC/Aristocrat)
CC-16-D 24VAC No Inhibit (common to IGT)
CC-40 AC/DC No Inhibit (common to CDS)
CC-40 12VDC No Inhibit (common to SEGA)
CC-40 AC/DC Extended Credit Pulse - 48ms
CC-40 12VDC No Inhibit
CC-40 AC/DC No Inhibit (13 Second Tilt Pulse)
CC-40 12VDC Inhibit (650mS Tilt Pulse)
CC-40 AC/DC Inhibit
CC-40 12VDC Inhibit
CC-16-D 24VDC No Inhibit (common to Bally)
CC-16 12VDC Inhibit (common to Sigma & WMS)
CC-40 AC/DC No Inhibit (48mS Credit/13 Second Tilt
CC-40A 12VDC Inhibit High Extended Credit Pulse
CC-16 13VDC Inhibit (common to IGT)
CC-33 AC/DC No Inhibit 12mS Sense Pulse
CC-32/CC-36 13VDC Inhibit (common to IGT)
CC-40 12VDC Inhibit (11.5mS Credit/700mS Tilt)
CC-62 12VDC (special for U.S. penny)
CC-16 12VDC Inhibit (special for U.S. penny)
CC-40 Wide Body 12VDC Inhibit (700mS Tilt)
CC-33/CC-37 24VAC (common to IGT)
CC-40 Wide Body 12VDC No Inhibit (13 Second Tilt P
CC-37 24VAC Enhanced for poor quality bi-metal coi
CC-40 AC/DC No Inhibit Extended Credit Pulse
CC-40 12VDC Inhibit (1.5 Second Credit Pulse)
CC-40A AC/DC Inhibit Hi Gain 2

I have a 16 D 48 comparitor in it now. Same results, the coins go through to the hopper, but do not register any credits.

Check to make sure you have the prism installed on the opposite side of the optics. Also make sure the optics block is not too wide.

I'm not sure what the prism is, there was a thin piece that went between the coin optic and the metal mount, is that what you are talking about? As far as the optics block width, how do I know if it correct?

Thanks,

David

The prism is on the back side of the coin comparitor bracet. You can see it by opening the belly door. It's above the solenid and to the left. Attaches with two nuts.

Also, make sure the coin covers all 4 holes as it travels through the optics block   

I opened my belly glass door and I think I am missing the prism, I see where it may attach. Can you or another member send me a picture of their machine with the belly door open?

Thanks,

Daivd

A prism for the optics on a Bally is a piece of glass with 3 sides and secured with one nut.
Is that glass piece there or not?

If it's NOT there,  then you need to get one.

I BELIEVE that it is NOT there, so I will NEED one. HOPEFULLY one of our fellow memberes HERE will have one for SALE.

Back at cha' BUNK

When you say "you think you're missing..." it's either missing or NOT missing...
I don't think there's any in-betweens... :72-

Place a WTB ad in the Classifieds section of NLG for a Bally prism optics.
My grandmother's jewelry doesn't work...I tried.  :5-

Oh for the love..................IT IS MISSING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 :72-

This is what the "lovely" prism looks like.
It's just a 3-sided piece of glass held in with a small metal bracket and one nut.
There's 4 little holes that go through the plate so two light beams reflect back onto the single card which contains both the emitter and receiver optics.
Quite different from the IGT S+ coin-in optics which require two separate circuit boards.

Click on photo to enlarge...>>>

If you lucky, you might find it inside the machine somewhere floating around...I have found many parts inside machines in the strangest places... :52-