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Author Topic: 809-ZH mystery machine  (Read 556 times)

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Offline jerseymike

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Re: 809-ZH mystery machine
« Reply #20 on: June 08, 2022, 02:41:17 PM »
I received my new coin switch today and the machine accepts coins/registers them up top in the multiplier/releases handle.  When I get a winner it overpays by a lot.

Still to do: The insert coin, coin accepted, and winner paid lights do not work.  All were replaced with new bulbs but I have not done any further testing.
                Investigate the hopper over paying.
                Replace the non operational   fluorescent lights with led.
                Find a belly glass from the lady luck or some other suitably sketchy casino.

Offline wolftalk

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Re: 809-ZH mystery machine
« Reply #21 on: June 08, 2022, 07:59:20 PM »
get the pays correct for single coin play first, then deal with any problems with multiple coins.

if single coin is overpaying, you'll be debugging the payout unit step-up coil circuit at schem D12.  The hopper switches are closed by a coil lifting the roller arm as it ejects from the hopper, and there's a redundant pair of switches wired in parallel since they are critical.

a jumper from wire 75 to 14-3 will eliminate a bunch of potential problems if payout is still not working with that jumper in place.

lamp issue could be a wire 20 problem.  Try measuring voltage between 20 on a lamp and 30 on the coin switch to see if you have 6VAC.  If you do, only a payout relay switch and plug connections are left.

Offline DavidLee

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Re: 809-ZH mystery machine
« Reply #22 on: June 08, 2022, 10:10:53 PM »
When all 3 lights don’t work, best to check the common blue wire for a possible open.
Also,
Insert and coin accepted lights are partially controlled by the
coin relay located bottom left rear of the reel mechanism.
Check the contacts to the right in most cases.
Your machine may vary.
Also the B switch might need cleaned left side reel mechanism horizontal switch.


Best to clean and check all contacts in there closed positions for continuity on the left side of the reel mechanism.

Cleaning the contacts on the back side left top of the payout step up unit might solve the winner paid light.

In regards to over paying a lot, a possibly could be the payout step up unit.
As it might not be stepping up to keep pace with the correct payout.
Or it could not be resetting all the way and starting out on a higher pay.
Best to check the unit by manually stepping up then manually resetting.
Observe these actions for proper functions.

Also the odds unit could be advanced one coin, doubling the payout.

As Wolftalk mentioned in regards to over payment.
Start with one coin in and set up a low winning combination on the reels.
Let it clock out and observe what happens.
Should be able to observe the payout unit in action.

Offline jerseymike

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Re: 809-ZH mystery machine
« Reply #23 on: June 09, 2022, 06:29:03 AM »
I’ve eliminated the blue wire as the source of my light issue.  If I jumper the yellow from the coin switch to the non blue side of the Sockets.  The bulb lit. 

I can’t help but notice if you look at H6 on the schematic you have that 36-1 wire right in the path of all 3 lights.  Could that be our mystery loose yellow and brown wire in the hopper?

Offline reactorpwr

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Re: 809-ZH mystery machine
« Reply #24 on: June 09, 2022, 10:58:22 AM »
unsure about your exact machine, but if the denomination is wrong the machine may think that it is a smaller value coin and thus telling it to dispense "Y" amount when it should be "X".  Do you know how much over payment was for the win?  That would possibly help.

Offline wolftalk

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Re: 809-ZH mystery machine
« Reply #25 on: June 09, 2022, 11:49:36 AM »
I’ve eliminated the blue wire as the source of my light issue.  If I jumper the yellow from the coin switch to the non blue side of the Sockets.  The bulb lit. 

I can’t help but notice if you look at H6 on the schematic you have that 36-1 wire right in the path of all 3 lights.  Could that be our mystery loose yellow and brown wire in the hopper?

36-1 isn't really involved with the coin accepted light.  The switch symbol means wire 91-2 connects to either 36-1 or 38-1 depending on the coin relay being latched (reset) or tripped.

The only common factor is the payout relay switch and plug connections for wire 91-2.

tmi
----

1] at game over after any payout, the coin relay is as shown - connecting 91-2 to 36-1.   The "open 4th odds" switch (O4O), which is hanging over the ratchet/gear on the odds unit and is operated by a peg sticking out of the ratchet, doesn't really matter.  The insert coin lamp will be on.

2] if there was a payout, the reset pawl switch on the payout counter will be closed, so the winner paid lamp will be on.

3] drop in a coin.  The coin relay trips so 91-2 connected to 38-1.  Coin accepted lamp turns on.  The odds unit reset, so the O4O switch is closed and the insert coin lamp stays on.  The payout counter reset, so the winner paid lamp turns off.

4] deposit more coins and on the 5th coin played, the O4O switch opens.  The insert coin lamp turns off.  If you pull the handle before max coins the reel mech C-2 switch opens and the coin relay resets.  C-2 won't close until the spin is done.

the reset position of the odds unit is 1 coined played.  The unit steps up once for each additional coin played ... e.g. step 1 is coin 2, step 2 is coin 3, etc.  That's why the switch opens at 4th step ... that's coin 5 played.

« Last Edit: June 10, 2022, 03:09:10 PM by wolftalk »

Offline jerseymike

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Re: 809-ZH mystery machine
« Reply #26 on: June 09, 2022, 05:05:51 PM »
Well Wolftalk,  You were right about tmi because when I connected the loose 36-1 to the nearest yellow wire, The insert coin, coin accepted and winner paid lights all started behaving exactly as intended.  Go figure.


Offline wolftalk

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Re: 809-ZH mystery machine
« Reply #27 on: June 10, 2022, 03:17:36 PM »
Well Wolftalk,  You were right about tmi because when I connected the loose 36-1 to the nearest yellow wire, The insert coin, coin accepted and winner paid lights all started behaving exactly as intended.  Go figure.

I would bet not quite exactly as intended :-)

1] the winner paid and insert coin lights should not turn on until a payout is complete

2] the coin accepted light should stay on after the 5th coin is deposited - before you pull the handle.

3] the insert coin light should turn off after the 5th coin is deposited - before you pull the handle.

if you connect 36-1 to yellow wire 30, the above won't happen that way. 

however, connecting 36-1 like that basically says most of the switches are working right.  Your problem is either the payout relay switch with grey/red wire 91-2 or wire 91-2 plug connections.

Offline jerseymike

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Re: 809-ZH mystery machine
« Reply #28 on: June 11, 2022, 11:21:44 AM »
You were spot on wolftalk.  My lights were not operating as intended.  You described exactly what they were not doing.

So I disconnected that loose 36-1 from the yellow and began tracing my 91-2.  I found a switch that wasn't opening behind the payout counter (the payout relay?) Once I adjusted the leafs,  I got the coin accepted and insert coin to behave as they should.  I still have nothing on the winner paid light.

Offline wolftalk

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Re: 809-ZH mystery machine
« Reply #29 on: June 11, 2022, 02:23:57 PM »
if winner paid was coming on when you had 36-1 connected, the only thing that makes sense is the plug connection for wire 48-1 from the hopper.

the circuit is wire 91-2 on the hopper -> reset pawl switch on the payout counter unit -> wire 48-1 to the lamp.

try jiggling the hopper after a win.  If that makes the light work, yank the hopper and clean the plug pins.  Also check the socket for pins that are pushed back in the housing.

the reset pawl switch will be on a stack on the ratchet/gear side of the payout counter .... similar to the thing circled in green below.  If you jumper 91-2 to 48-1 so it's always closed, the winner paid light should always be on except during a payout.

Offline jerseymike

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Re: 809-ZH mystery machine
« Reply #30 on: June 13, 2022, 10:49:34 AM »
Well my reset pawl switch looks a little different.  It only has one leaf and one blue spacer.  That is definitely the one I’ve been messing with.  It has a 91 and a 48.   I jumpered it like you suggested and the winner paid light behaved in the way you said it would.  I’m still stuck.  I’ve think I’ve adjusted the leaf and I’m still not getting anything from the winner paid light.  To top it off now the hopper dumps every time I hit a winner and the safety timer goes off.  Did I screw up something?

Offline wolftalk

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Re: 809-ZH mystery machine
« Reply #31 on: June 14, 2022, 12:08:52 PM »
in this case, the only thing ensuring good switch closure is the pressure the long blade puts on the short one.

1] step up the payout counter so the switch is closed

2] bend the long blade where it enters the stack so its contact is firmly mashed against the short blade contact.  You want to see the short blade deflect a little while doing the bending ... tho it's kinda hard to tell depending on what you are bending with as the tool may be moving/displacing the short blade

3] reset the payout counter and verify the long blade is lifted up, the pawls are latched up off the ratchet teeth and the switch is open

4] adjust the short blade to make the gap smaller if you can.  If you need to adjust the short blade to make the gap bigger, you'll need to go back to [1] again.

the pawl switch is in the 6V circuit and can't affect anything in the 50V payout circuit.  If your behaviour changes when you remove/install the hopper, you either have plug issues or you need to push the hopper in further.

did you clean the plug pins, check for wires breaking off the pins and check the socket for pins that are pushed back into the housing?  If the socket female pins look corroded, you may need to get a wire "bottle brush" to scrub them out.  I think DavidLee has posted info about cleaning sockets elsewhere, so search for that.
 

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Re: 809-ZH mystery machine
« Reply #32 on: June 16, 2022, 06:07:16 PM »
Well all the lights work correctly now.  Wolftalk was right all along.  The 36 wire did not need to be connected.  The reset pawl switch and the 91 wire were my problems.  The machine still pays out a little extra now.  Not enough to concern me for my home use. 

Now it’s on to cosmetics.  Because the reel tapes were black.  I ordered a black light fluorescent bulb.  However,  It didn’t make the symbols pop like I had hoped. I think they are a little faded.  I have an idea but I think I’ll make a new thread.   Thanks again for all your help!

One more thing,  If anyone reading this comes across a Lady Luck belly glass PLEASE dm me.

 

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