New Life Games LLC
**Reel Slots** Gaming Machines => SIGMA Reel Games => Topic started by: drfreeze1739 on November 03, 2014, 05:11:07 PM
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I just got a sigma SG-300 YAHTZEE slot.
i have never worked on a sigma before..
so far it lights up and shows a 0 in winner payed..
when i turn it on the reels spin and reset. and thats about all it dose..
i have tryed to turning the reset key and it dose nothing..
i have replaced the battery,, i didnt have a coin battery like it had in it so i tryed a diffrent one
and dose the same thing..
any help would be great on helping me..
attached is some pics of the machine.
Thank you.
Mark..
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I have one of these. Had 5 of them and kept one that I have had for years. I have some documentation around somewhere here and will help if I can. Does your top dice spin and dot-matrix light up?. Most of my problems derived from the mpu or a bad dice opto etc. These are still fun games. I have not turned mine on in about 6-months but it always fires up.
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The dot matrixs dose not light up.
when i first turn it on the top dice spin then stop...
one of them keeps spinning and never stops..
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The one that keeps spinning has a opto/comm problem. Look at closely and examine it. These are fragile. It has to see the dice (all) on boot up. I May have a few spares that I kept for my game if this is the case. I think a few other members here also have some of these or knowledge of them as well. You will like this game when you get it going. The game was ahead of it's time in my opinion and a collector peice as it was Michohn trying their hand at slots which was short-lived but actually a sigma machine!.
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ok.. thank you for your quick input..
if you can find any thing on it you have please let me know..
i will keep messing with it...
i will have to figure out how to take dice out and look at them...
any more input would be great..
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Will do. From my memory you have to unbolt/nut the white fascia assembley to pull the dice set up out then you can examine the back of them. Look for small plastic parts also laying in that area. I have not been feeling well here lately so getting ready to rest for the evening. Will look at this more when I am able if you don't get it figured out. B.
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so sorry your not feeling well..
will pray for you to get feeling better...
go get some rest and let me know when you get a chance..
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ok i pulled the one that kept spinning..
didnt see any broken parts..
i took some pics of it..
i swaped out the optics with one of the other and it did the same..
so im stumped ....
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I did not realize that I posted this under sigma video slot. Can you mover it over to sigma reel slots...
Moderator Note: DONE
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I did find my cd-rom on sg-300 and it is just basic and also found here in the downloads files. There is nothing specific for the yahtzee top box stuff in print. I can tell you that I have another one at my mother in laws that has sat/been there for 5- years. It quirks at times. Have to unplug the tray,re-seat,plug back up and it goes. I will dig mine out of the corner soon and compare (It is baired). These always were problamatic but once you know what it wants it is not much of a issue. Check your dotmatrix also as it will not come on line as well if it does not see it.
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thank you..
i have been playing with it.. got the top dot matrix working...
it was all unpluged..
i found the ic battery on the top board was dead and not working.. so i bought one.. should have it next week some time.
orderd the orignal battery for the main board.. should have that next week also..
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Does your machine have the 88 board?
If I remember correctly, they will work just fine without the battery on the board.
I have a couple of those boards with no batteries on them.
I have some treasure tunnel, treasure wheel machines. Like sizzler said, mine sit for quite a while but always fire up. once in a while I will get an error. I just unplug and re-plug in the connectors on the board,
and that usually fixes the problem.
Good luck with your machine!
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I received the MPU battery the other day. just havent put it on yet.. Im still waiting for the IC battery for the top board. it should be here next week.
my MPU board shows SG 88M-2
120002 REV A
by messing with the IC battery in the top board it get the bottom LCD next to the coin in and credits to work,
It now say bounce error and one of the dice at top keeps spinning, when i pull that IC battery out the tio dice stop spinning and now i get bill validator error,,, so i orderd a IC battery thinking that might be one of the issuses im having with it.
when i turn the reset key it goes away then it reads good luck and the reels keep spinning and stopping.
so i hope that IC battery helps me out.
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ok. here is a update.
got ic battery.
no change... still have one dice at the top that keep spinning...
i have swaped optics around and it dose not change on that one... so i know
the optics are good on it...
i have pluged and unpluged all connecters a couple times...
now i have no lcd by the coin in and win lcd..
when i first tun it on the reels will do a test spin and the top dotmatriix comes on and goes through a cycle...
thats all it dose,,
do you have to do some type of ram clear????
if so how do you do a ram clear???
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Hi, there is a RAM clear you can do no parts needed.
With machine off
1-turn and hold reset key in the on positon
2-hold down test button
3-turn on power switch while holding test button on and reset key on... hold for 30 seconds.
In your display it will read RAM clear.
Here's a link to a free manual from Rudys deals.
http://rudysdeals.com/index.php?route=product/product&product_id=390&search=sigma+ (http://rudysdeals.com/index.php?route=product/product&product_id=390&search=sigma+)
It's got tons of info!
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Ok will try..
thank you..
i got the one manual off of here..
i will try the other one,,
thank you..
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it say in both manuals i have that you need a set of clear chips to clear ram...
i just need to find out where to get them..
i need to find out why my lcd is blank...''
i had it working once and now i cant get it back working..
just for the fun of it i replaced the battery again on the mpu.
i checked voltage going to the mpu. is all corect just like the manual says..
5v 12v and 24v.
stumped....
guess it could be a bad mpu board or cable..
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It is going to be awful weather here for most of the weekend. I am going to pull my yahtzee out and compare. The ribbon cables are crucial and the correct placement of them. The other members post about the clear is correct, I remember doing it. Will try and help, Just been limited on time. I need to dig mine out, fire up hopefully and compare good to bad (not working). Been a long time since I did these!.
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If you read in the manual section 2-11 second paragraph tells how to do the RAM clear, but it's pretty much how I said.
Hope things work out for ya!
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If you read in the manual section 8-81 it tells you that you need chips also..
i dont know..
i tryed your way and nothing...
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I looked into that, the section your reading is for a machine that is set with special jurisdiction requirements.
If your machine is has an "02" on the GAL chip then you'll need the clear chips.
Look at the diagram on the page and that should help you find out if you indeed have one of those machines.
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Here are some pics i took of the top inside..
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i will post a link to youtube later so you can see what it is doing..
its not a realy good video because it hard to do by your self with a cell phone..
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think i figured it out,
needs a new MPU board..
found a couple IC chips that are burnt.
Any one have one they want to sell..
SG88M-2
120002 REV B
Found one on rudys deals...
hoping to get one a little cheeper..
any on want to sell let me know...
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well i got the new board ...
still dose the same thing.,..
i get no lcd and the reels slowly spin 1 to 3 times some times.. somtimes just once when truned on..
and thats it..
one of the top dice keep spinning,,,
i have tryed the reset like you said with the reset key and press test button and hold while you tun on..
still nothing on lcd and dose nothing more..
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Just a quick question.. Have you check your voltages from your power supply?
Gary
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yes i have checked all 3 power supplys..
they are all good voltage.
i checked them also on the plug going to the board.
im geting 12v 24v 5v.
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Ok it was just a thought.. I know that some if these power supply's can drop one of the voltages, like the 5v and that could cause your display not to power up.
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Yea I think it has to do with power some where or a short some where...starting unplugging cables off the board. And got a 0 in the coin in lcd when I unplugged the big ribbon cable that goes to the door board. Will keep looking more into the plugs.. and connection
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Ok. Now I think my issue is that I need to find out how to get that one dice up top to stop spinning.it stopped once last night and I got it to play once until I restarted the machine.still no blue lcd... Mabey that is burnt out. I had all lcd working once.. any suggestions I could try would be great. Going to test power supply under load and see if it Is dropping voltage. I think it's dropping voltage. Because it dose more with the bill validator unpluged... with it unpluged I can get the reels to set when I close the door...
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On the top inside boards and all other boards, did you reseat all the chips on the boards? Even the square chip with pins on all four sides.
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I just got all three of sg-150+ games working, and sounded like a similar problem.
The were stuck in a check mode on start up, I shade to turn off dip switch 4 and 10.
I would check and see if your dip switch that checks for the hard meter is turned on, if it is turn it off.
Fixed my games and might be worth a try.
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No I didn't check all chips. Just the game chips. I will reset all the chips I can when I get home later. Thank you sunrise. And mustang I will check dip switches adan. I just set them my the manual last night. On the dip what switch block because there is 2 of them sw1 and sw2.
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Unfortunately I've already sold all my sigmas. And gave the guy my manual too, but I think it was switches 1-4 and 2-10 I think.
It should say in your manual.
Look for the hard meter check and turn if off, I think 2-10.
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ok. up date..
checked all the dip switchs.
all good. hard meters off..
had it working some how still no bottom lcd. not sure how..
it would bills and coins.. it would play and win...
then i hit yahteez play and nothing would work...
turned off machine and it has not worked again since..
very stumped...
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update on this machine.. Its been a while..
got new board and new bottom blue LCD..
now i can see the error it is giving....
it say bonus error - comm..
all the dice at the top spin when first turned on then they all stop..
can not get rid of this error..
i have tryed to do a reset on the machine and it still dose the same thing..
i can go through all the setting on the lcd and system setting time and date..
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well tryed replacing the power supply that runs the bounce part..
still no change....
it all powers up goes through the testing.
reels test spin.. but still get the bounce error and thats as far as i can get it..
any one can help that would be great..