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Author Topic: Bally 873 - Lighting and other electrical issues  (Read 41569 times)

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Offline bobmueller

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Bally 873 - Lighting and other electrical issues
« on: April 08, 2017, 09:44:57 PM »
I now own a Bally 873 5 coin slot. Very much like the one in Nurbo's post. It's got some issues and hoping I can find some help here. I'll post some youtube demos of the operations and failures but wanted to find out if anyone is listening before going through that.



[size=78%]A list of what's going (roughly in order of importance) on follows.[/size]



1. [size=78%]Coins are just dropping through to the tray. First coin will sometimes get stuck, a second coin will push it through. Occasionally the gods bless a quarter and it operates normally.[/size][size=78%]     [/size]
2. I think it's a managers key or some sort of reset key that is broken off. Directly under the handle, operates a lever switch.
3. Top panel doesn't seem to have power.
4. Sometimes when closing the door it will shoot between 5 - 25 coins seemingly at random
5. Door is "wonky" barrel key won't come out (I can get it out with the door open). Likely just an adjustment. Owner just left the key in the side. - I suspect that this machine got dropped off a stand
6. The internal counter on the reels doesn't advance.
7. There are yellow wires that have been clipped all over... think they are service lights. There's also a black and strip black green wire exposed on the hopper... also something used in the casino?
8. The bell sounds like a moose.
9. During testing I hit 3 bars and lost track of the payout... Bell rang continuously, clicking the managers key switch didn't do anything. Then the machine went dark... nothing working until I pull out the hopper and put it back in again.
10. Where does one get contact cleaner on a Sunday now that radio shack is dead?


Thanks in advance Bob
+
« Last Edit: April 20, 2017, 04:23:57 PM by bobmueller »

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Re: Bally 873
« Reply #1 on: April 08, 2017, 10:34:46 PM »
To bad you are not in Vegas, we have a shop that repairs older EM's
Let them that don't want any, have memories of not getting any.

Offline bobmueller

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Re: Bally 873
« Reply #2 on: April 09, 2017, 12:08:19 PM »
A good cleaning and I've got the coins slot working properly. Seems that the bleu plug on the hopper wasn't seated right. That fixed. Still don't have top illumination but the coin counter is working. Not sure but I don't think the line indicators on the play field are lighting up. --- hmm should have read the FAQ on lighting before posting this. Exact issue and fix is right there!


New question - how can I make the odds of winning worse before my poker game? ;)

https://youtu.be/AwE23tDnsyk

Note that I'm missing 4 bulbs on the top.
« Last Edit: June 18, 2019, 09:08:05 AM by shortrackskater »

Offline DavidLee

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Re: Bally 873
« Reply #3 on: April 09, 2017, 09:47:40 PM »
The coin mechanism, remove it, blow out with compressed air then give it a try. If that doesn't work there are two adjustment. The first would be to back out the magnet adjusting screw 1/8 of a turn. This moves the magnet closer to the coin thus slowing it down causing it to fall in the right direction. The second adjustment is on the opposite side near the bottom. It's a slide lever with a 90° bend on the end. This assist in kicking the coin left or right. Note this very seldom needs adjusting as its on the inside an never gets moved unless the screw becomes loose. When reinstalling the coin mechanism, sometimes the coin reject mechanism needs to be depressed to slide under the jack shaft that is operated by the red or chrome coin release button on the front of the machine.


Wouldn't be to concerned about the reset switch with the broken key near the bottom right of the machine.


Re: top lights, if it's the fluorescent lamps that are out, give them a slight twist and or remove them completely and reinstall, being sure the pins lock into the copper clamp pin holders.

Offline bobmueller

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Re: Bally 873
« Reply #4 on: April 10, 2017, 10:21:17 AM »
I confirmed that I've got 6 vac at the transformer...whew.
The #44 are out... not the tube lights.


Which pins on the beauplug are supposed to have constant 6v? Which pin on the hopper controls the coin lockout coil? I still have to seat the hopper a couple of times before that works properly.

Offline DavidLee

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Re: Bally 873
« Reply #5 on: April 10, 2017, 11:49:48 AM »
Re: lights, either the bulbs are bad, no power or they are inactive until coins are dropped in the machine.

Would it be possible to post a photo of the machine front .

Beau plug pin connections very so it would be hard to say what pins control what.
Look for the solid blue wire, that would be the 6vac.

Did you get the coin mechanism working?

Offline bobmueller

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Re: Bally 873
« Reply #6 on: April 10, 2017, 12:26:14 PM »
Yes, that was a pin issue too. Well, still kind is but I know where the problem is. I'll like to all my shots as soon as I get them off my cam.


It's always the blue wire... thanks so orange = 50 yellow = 30 and blue = 6?



What's the preferred method for dealing with a loose pin. I thought about hot glue but that's not going to hold up with 50lbs of quarters slamming into it. Expoxy?

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Re: Bally 873
« Reply #7 on: April 10, 2017, 03:39:08 PM »
The pin will slide out of the plug or is it just loose?

If there is a couple of vacant pins you could move the wire(s) to the unused pins and socket receivers. I would do this first if possible.

Epoxy may work or super crazy glue.

Also if the pin slides out. You could remove it and try to expand it just enough to make it fit tighter.
Pins are locked in and you might have to deal the little self locking mechanism.

Or add solder to it to make it slightly larger. Solder would conform to the opening as its soft enough to assume shape. 



Offline bobmueller

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Re: Bally 873
« Reply #8 on: April 10, 2017, 10:41:30 PM »
Too late to swap to an empty. I'll go that route if/when the epoxy fails. I think my fix will work for now. I found out one of the wires on the convenience outlet was stripped from the hopper sliding in and out and traced that to some really crappy crimp work. Same goes for the wires that run under the coin mechanism. Short story long I ran out of wire. Guessing in the field it was faster to crimp but I'm going solder and shrink where I'm making changes.


I've seen others as the question about the bulb on the back side of the light board never an answer...what's is it there for?


Issues remaining
1. Wiring clean up.
2. Door lock doesn't close.
3. Top big tear in laminate that is laid over other laminate.
4. Buff out doors.
5. Replace or fix the bell.


Offline DavidLee

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Re: Bally 873
« Reply #9 on: April 11, 2017, 06:17:01 AM »
The bell might need the striker adjusted away from the bell or the contacts inside need cleaning.
Pretty sure you can give the striker a little tweak outward. Some one might of tried to lessen the sound by bending it in.


As for the light behind the light board, I have a machine with that same light. One of these days I'll bench test that unit to see what's up. I've found it a good practice if it aint broken don't mess with it.
There is a small relay right next to the light in the machine I have. My guess would be it something to do with the 777 jackpot, like a indicator. Or just there for resistance. But these are just speculation on my part.


Mr. Reno, Jon or Jim may have the answer.


Good the hear you are making progress on the machine.

Offline Jon

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Re: Bally 873
« Reply #10 on: April 12, 2017, 06:52:11 AM »
The 455 light bulb attached to the small relay makes a flasher unit when it's in Jackpot lockup the lights around the outside on the top Flash on and off from one set of Lights to the other that's what that small light bulb and relay are for the only way to test it
Is jackpot lockup set up a 777 pay see what the relay and not like do

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Re: Bally 873
« Reply #11 on: April 12, 2017, 08:39:51 AM »
Thanks Jon,

I just got this machine about a month ago and noticed that light and small coil. But didn't check it out.
Although I did get lucky last week and got a natural 777 on the top line.
Nice machine for 150, just needed some cleaning and was surprised that everything worked.

Offline bobmueller

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Re: Bally 873
« Reply #12 on: April 12, 2017, 02:25:41 PM »
So I've gone through the beauplugs pretty throughly and I can't get lighting on the topper. In the process of tracing the wiring... arghh! The bell? some genius thought that cutting the striker was the best way to quite the bell.


I have a #455 bulb but no coils or relays. Must be resistance...


Do not follow my path epoxying the plugs! This turns out to be not so good when you loose the play in the pins.  I had trouble getting the line box seated initially. I was able to get my hand back far enough with the female loose and fit it on to the back of the line box and tweak the pin alignment but this wouldn't work out to well on the hopper or reels. Got lucky.



I see 6vac at the transformer so I know there's power.


I got a meter on the line box and found 4 pins on the left (if looking at the front) beauplug. First 4 horizontal pins BTW. Did a manual advance on the line box and measured again but didn't see anything change on any pins... seemed unusual.


I did have to move the yellow wire that controls the coin slot lock out on the hopper. Despite the time and effort I couldn't get this one to work reliably. That said I'm thinking I have the same issue with the lighting sockets.


Here are some pics:


« Last Edit: April 20, 2017, 10:32:38 PM by bobmueller »

Offline smoothgrh

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Re: Bally 873
« Reply #13 on: April 12, 2017, 02:35:05 PM »
Hi Bob,

Nice to follow along in your Bally 873 repair journey! My machine had the same problem of continuing to pay on 3 BARs, then shutting off—I think one time it did pay out correctly, then was ready for the next game.

A couple questions for you: does your machine ring the bell on the fifth coin? Also, does your bell ring on any payout, not just 777s?

I could swear those machines rang whenever there was a win, and am wondering if it'd be an easy adjustment.

Thanks!
s.

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Re: Bally 873
« Reply #14 on: April 12, 2017, 02:47:08 PM »
I thought I read there are settings for the how bell rings... but I've read a lot lately so might be another model.  Mine was only audible on bars since the striker has been cut. I think the payouts are working correctly everything I've counted out has been correct and not enough spins to hit too many big ones.




« Last Edit: April 20, 2017, 10:35:37 PM by bobmueller »

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Re: Bally 873
« Reply #15 on: April 12, 2017, 06:14:16 PM »
Did you try taking a good 6 vac solid blue wire on the door and jump it to a solid blue on one of the top unit bulbs?
Or try connecting the meter on the solid blue and the solid yellow beau plug pins coming out of the top unit. Continuity should be a good sign the unit 6 volt wiring is good.

RE: the bell striker could of broke due to stress.
Might want to take a good look on that side of the machine, there is a slim chance the other portion is in the machine.

You can set up a payout by stopping the clock fan after the reels kick off.
Stopping the clock will put the machine into neutral, then stop the reels wherever and let the clock finish its cycle.
Be careful of the inside metal edge that holds the reel tape, it will get you.


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Re: Bally 873
« Reply #16 on: April 14, 2017, 12:00:18 AM »
Dave


I got continuity between blue and yellow at the top of the box. I removed the plugs from their mounts so I could get to the wires while it's got power and I see 6v. Also checked continuity across the plug and no issues.  I don't have any bulbs on the doors working including the insert coin light. I don't see any power at the sockets. All new bulbs. Dunno pretty weird.


On the bell... No luck.

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Re: Bally 873
« Reply #17 on: April 14, 2017, 04:15:21 PM »
I'm assuming the 6 v fuse is good if there is 6 volts up to the top unit beau plug and the bell moans.
Is the reel glass dark on both side along with the insert coin and coin accepted lights?
If this is the case check the Molex plug on the right side of the door between the hinges.
Trace the solid blue and yellow from a light socket back to the molex plug. ID the pin location and test for 6 volts coming up to that point.

If the outer lights do come on then clean the payout relay contacts normally located on the hopper.
After that if they don't work clean the Coin Relay Contacts on the lower left side of the reel mechanism.
Also the "C" switch is part of the insert coin light circuit.
« Last Edit: April 14, 2017, 07:32:37 PM by DavidLee »

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Re: Bally 873
« Reply #18 on: April 14, 2017, 07:07:41 PM »
I can't contribute with any technical insight, but if you'd like photos of my 873 machine for comparison, I'd be happy to post some.

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Re: Bally 873
« Reply #19 on: April 15, 2017, 03:21:40 PM »
Relay contacts are cleaned on everything. I flopped the 5amp fuses just to prove to myself they were good yep. I get continuity in all the molex pins. I'm seeing 12vac at the blue and yellow wire... not 6 like I thought. I decided that was normal. Still no 6vac lighting in the door or anywhere. Only illumination is the fluorescents.


Briefly lost the hopper then readjust the middle switch in the A cluster of group of three on the reels. Or second in from the right. When I put the switches back together this one was a little twisted. A tweak with a needle nose got it back. 






 

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