Bally 988 Deluxe Progessive no insert coin/coin accepted/winner paid lights

[jerry304]

HI,
I just bought an Bally 988 Deluxe Progessive (Double Progressive, nickel, 4 reel, 3 line pay) and after many hours of cleaning and fixing, everything works as it should except the insert coin and coin accepted lights, as well as the winer paid light. The bulbs are new,and I tested the sockets with a jumper and they work. The insert coin/coin accepted lights did not work at first, then all of a sudden worked for a little while, now don't work again. I've checked the coin relay, and everywhere else I can think of for broken or loose wires but can't find anything. As far as the winner paid light, I checked the open at zero sw. on the hopper and the contacts seem fine.

Any suggestions??

Jerry

[Jim]

If memory serves me right, that signal that is common to those is a set of contacts on the hopper relay switch. I think the insert coin lamp comes thru that switch onto the C-2 SWITCH  and onto the lamp. the coin accept  goes thru the same contacts on the hopper onto the coin relay switch and onto the lamp. I think the wiring on the C-2 is the red/ black  and yellow wires.  on the coin relay I think it is the blue/ red and the gray/ red wires.


Hope this helps

Jim

[jerry304]

HI,

I checked all the relays and could not find any broken wires or anything out of the ordinary. Is there any way to re-wire the lamps? Does anyone have a schematic that might help. The service manuals only show partial schematics of individual circuits, not the entire machine.

Thanks,
 Jerry

[Jim]

Usually you won't find a broken wire, the contacts are usually the problem, they appear to be closed but are in fact open, the only way to determine this is with a meter. Tracing wires in these machines is pretty easy, its usually point to point, then into the reel mech. or hopper or odds unit, and back to the power source. As is in your case,  the both bulbs are wired to a common side of the 6.3vac supply voltage. the other side of the supply voltage gets to the bulb through a series of switch contacts that operate in a certain sequence, to try and bypass this would be difficult. I realize tracing wires is time consuming but you will find the problem and your machine will operate as it was intended. If you use the limited drawings coupled with point to point wire tracing, you should be able to track down the switch contacts that are causing your problem. I still think your problem is associated with the hopper payout relay and its switch contacts. according to a drawing I have this set of contacts is common to both of the lamp circuits your are having a problem with. The drawing I have was for a Bally 809 5 coin multiplier, and Bally reused alot of the same type circuits and relay functions for all their electromechanicals.

Jim   

[FOXSSLOTS1]

 The wires that control the Insert coin - accepted and paid lights are on the hopper payout relay - the green/white and Yellow - check the contacts at that switch.

[jerry304]

I have spent about 5 hours trying to figure out where the problem is. I can not find anything wrong with any of the switches or contacts.I traced the wires from the insert coin light through the reel mech and back to the molex plug. Nothing open. As far as the hopper, there are two relays. The payout relay appears to be fine. There is another relay on the bottom of the hopper that doesnt seem to do anything. I tried manually closing the contacts and that has no effect. I looked at every switch contact in the odds unit (there must be 50 of them) and still, can not find anything out of the ordinary. I just don't know what else to check.
Any suggestions???

[FOXSSLOTS1]

 did you find the green/white wire and the yellow wire that make up the switch?   make sure that the yellow wire is making contact - that is the common wire that makes the light circuit with the blue wire at the bulb.