bally 1090-106

[mojorisin]

Cool little board you guys got here.

I am a extreme novice when it comes to slot machines so please bear with me as I trash the slot world language. I have a bunch of issues but I will fix them one by one.

The issue I am tackling now is when I insert a coin (or manually flick the switch) it registers the first coin just fine. Its the subsequent coins that are not registering. I can go up in the top and manually push the solenoid and the payout lights will appear as you would expect it would if another coin was dropped.

What triggers that solenoid or is there something else I should be looking at?

Thanks in advance for any help.

[DavidLee]

I believe there are 3 coils mounted on the drop down light board or the back of the cabinet.
Hopefully the labels are still attached.
If I remember correctly, one of the coils will impulse for every coin.
Causing the odds unit to advance.
These coils/switches can be manually operated for testing.

Also, check the actual step up unit that might be labeled odds unit.
Look for burnt coils, broken or detached wires, contacts out of adjustment, and missing springs.
This unit can also be manually operated. Check for smooth operation and a swift return.

[mojorisin]

I believe there are 3 coils mounted on the drop down light board or the back of the cabinet.
Hopefully the labels are still attached.
If I remember correctly, one of the coils will impulse for every coin.
Causing the odds unit to advance.
These coils/switches can be manually operated for testing.

Also, check the actual step up unit that might be labeled odds unit.
Look for burnt coils, broken or detached wires, contacts out of adjustment, and missing springs.
This unit can also be manually operated. Check for smooth operation and a swift return.

Thanks for the reply.

I have this feeling that someone has been in here before me. There is indeed 3 coils that are labled but there is also a additional one with a fairly new looking coil like someone added it on later.

The labels are a follows

1. step up re.
2. coin reset re.
3. level re.

The 4th is unlabeled. but has a #2 written on the bracket.

If I drop a coin.. number 2 (coin reset) triggers. Add another then number 1 triggers.  Any coins after this shows no response.

[mojorisin]

Additionally.. I see no movement from the odds unit (which i believe is the multiplier unit?)

[DavidLee]

The first coin in actives the re-set coil in the middle
Which in turn re-sets the multiplier or coin unit.
This closes a switch so the step up actives with the next coin.

Manually reset the coin unit. See if it will work then.
If not.
Insert 1 coin then manually step the unit up once.
Then try another coin.

[mojorisin]

The first coin in actives the re-set coil in the middle
Which in turn re-sets the multiplier or coin unit.
This closes a switch so the step up actives with the next coin.

Manually reset the coin unit. See if it will work then.
If not.
Insert 1 coin then manually step the unit up once.
Then try another coin.

So after messing around.. after initial coin drop the coin reset coil activates and the solenoid works and resets. second coin the step up coil/switch responds but the corresponding solenoid does nothing. at this point, dropping another coin gets no response until I manually hit the step up solenoid. after pushing in this solenoid then the next coin drop responds with the step up coil/switch.

My apologies if I am not making much sense.

[wolftalk]

is 1090-106 the top number on the plate below the handle or the bottom?  The bottom is a serial number, and the top is a model number.

if you are a schematic kinda person, you can find paperwork in https://bingo.cdyn.com/slots/

all the versions of a model are pretty similar, so if in doubt look at the base 1090 schematic if a dollar machine or 1090-1 if quarters.

you need the coin unit step-up coil to fire, and thanks to bally's confusing nomenclature, that means you need the following to happen:

1] coin switch down for first coin, coin relay trips
2] coin switch up for first coin, handle release relay trips
3] coin switch down for second coin, coin relay powers and keeps itself powered
4] coin switch up for second coin, the coin unit step-up coil fires ... which releases the coin relay, which in turn unpowers the coin unit step-up coil and the wipers rotate on the unit.
5] repeat steps [3,4] for 3rd coin

so ...
coin unit = stepper unit with wipers
coin unit step up coil = solenoid coil on the coin unit with the plunger that sucks in when coil powered
coin unit relay = relay with switches and armature plate that pulls down onto the coil top when coil powered, changing the switch state.

often the problem is the coin relay is not keeping itself powered because the "step-up arm" switch on the coin unit isn't closed.  Look for the switch on the lever arm operated by the larger step-up solenoid with the yellow and blue/orange wires on it.  Make sure switch is closed unless the plunger is in the coil (you can test by manually pushing in the plunger and watching the switch).

this video may help to make sure the relay coils/solenoids work:
https://bingo.cdyn.com/slots/videos/50V_Jumper_Testing.mp4

[mojorisin]

is 1090-106 the top number on the plate below the handle or the bottom?  The bottom is a serial number, and the top is a model number.

if you are a schematic kinda person, you can find paperwork in https://bingo.cdyn.com/slots/

all the versions of a model are pretty similar, so if in doubt look at the base 1090 schematic if a dollar machine or 1090-1 if quarters.

you need the coin unit step-up coil to fire, and thanks to bally's confusing nomenclature, that means you need the following to happen:

1] coin switch down for first coin, coin relay trips
2] coin switch up for first coin, handle release relay trips
3] coin switch down for second coin, coin relay powers and keeps itself powered
4] coin switch up for second coin, the coin unit step-up coil fires ... which releases the coin relay, which in turn unpowers the coin unit step-up coil and the wipers rotate on the unit.
5] repeat steps [3,4] for 3rd coin

so ...
coin unit = stepper unit with wipers
coin unit step up coil = solenoid coil on the coin unit with the plunger that sucks in when coil powered
coin unit relay = relay with switches and armature plate that pulls down onto the coil top when coil powered, changing the switch state.

often the problem is the coin relay is not keeping itself powered because the "step-up arm" switch on the coin unit isn't closed.  Look for the switch on the lever arm operated by the larger step-up solenoid with the yellow and blue/orange wires on it.  Make sure switch is closed unless the plunger is in the coil (you can test by manually pushing in the plunger and watching the switch).

this video may help to make sure the relay coils/solenoids work:
https://bingo.cdyn.com/slots/videos/50V_Jumper_Testing.mp4

I will respond to the rest after digesting what you said. but i will say the number is the top line

[mojorisin]

1090-106
1090-220

[DavidLee]

Possibly the contacts need to be cleaned on the coin step up relay and step up unit switches.

Check the contacts for continuity after the reset.

Also, the screws that hold the switch stack on the step up unit.
Slim chance, but a possibility they’re loose and the contracts are misaligned.

Trace the wire colors from the step up switch stack to the step up unit.
One of the wires will connect to the step up coil, directly or indirectly.
Indirectly as in going through a switch in the stack.

Not sure if Wolftalk posted a link or drawing of the schematic for the electrical functionality
involving this area. It will aid in tracing the correct wires.

If the machine has been sitting for a long period, contacts will oxidize.
As the machine comes back to life, usually in some case other problems will arise.
Especially in dirty and abused machines.

Curious to find out about the fourth coil.

Attaching clear well lighted photos will help.

[wolftalk]

second coin the step up coil/switch responds but the corresponding solenoid does nothing. at this point, dropping another coin gets no response until I manually hit the step up solenoid. after pushing in this solenoid then the next coin drop responds with the step up coil/switch.

if this means the second coin causes the coin unit step-up relay to power and stay powered (metal armature plate is held down on the coil top so a third coin doesn't appear to do anything), then:

- the switch on the coin unit step-up relay with orange/green (74-1) and red/black (18-6) wires isn't closing when the relay is powered

- plug connection issue

- coin unit step-up coil is bad.  If it doesn't appear burnt, then check for the coil wire being broken off a wire lug