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**Video Poker, Keno, Slots, 21** Gaming machines => IGT I-Game and Game King => Topic started by: Chuck spurlock on December 04, 2021, 12:09:58 PM

Title: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 12:09:58 PM
hi all
game king has flashing red light and screen shows colored squiggly lines, anyone have any ideas?
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 04, 2021, 12:53:01 PM
3902 or 044?
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 04:35:05 PM
i'm very new and green with this stuff i really don't know how to tell but my best guess is 3902
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 04, 2021, 05:12:22 PM
Open the door and take a picture of the inside of the machine and we can tell you.  It has to be under 1MB in file size to post, so resize as necessary to get it under that limit.
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 07:17:55 PM
take a pic of the board?
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 07:28:25 PM
hope i get it
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 07:30:34 PM
more
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 07:31:36 PM
m
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 04, 2021, 08:01:15 PM
Pics are good thanks.  You have a 17" GK cabinet with a 3902 MPU.  The blinking red light on the MPU board indicates it is not booting up.  Usually it's one of three things that cause it.  Bad MPU, bad software, or bad power supply. 

What is the history of the machine?  Has it ever worked?  I see an I/O card and part of a player tracking panel laying in the bottom as well as a lot of dirt/dust.  Makes me think it came out of storage somewhere and you're trying it for the first time?

Do you have a multimeter and know how to use it?  First thing to do is check out the power supply voltages. 

Next would be to take some compressed air and clean up the MPU board and reseat the software chips/simm cards.  They are the ones with the hand written labels on them.  There's one under the sound card (daughter board that sits on top of the MPU board).


Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 09:39:04 PM
well my friend you hit everything spot on,i bought 4 from a guy in sacramento who got them from indian casinos from texas, they were in a body shop and some kid i'm assuming he had tweek written all over him, says he didn't touch them, that was a lie. i was thinking the software myself power supply tests good and i wouldn't know what to test on the board. i bought 4 cabinets 3 WMS and the IGT i got 2 BB1 and 1BB2 with dragons realm, got that one fired up but it needs batteries and monitor, I parted out this one was like a huge console slant thing, so anyway my buddy is in vegas picking up machines i think, he may have some of the stuff i need, oh yeah I paid $350.00 for the four.

well you've given me something to start with and i really appreciate your knowledge, i'll keep updating the progress, also like i said i'm just getting in to it and put together 2 game kings and a bally game maker, sold the kings and have the maker for sale and a really cool wms stepper ruby ring , this thing has a huge topper on it and it just runs perfect.

one more time thanks again
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 04, 2021, 09:53:10 PM
Well for the price you certainly can't complain!  Good thing is all the 3902 GK parts are readily available and pretty cheap if you end up needing any.  Good luck!
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 09:55:25 PM
thanks for all the info
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 10:07:26 PM
this is under multimedia board, is there supposed to be a chip here or did i misunderstand you
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 04, 2021, 10:10:41 PM
what about the dip switches on the 3 sim cards how should they be set and in what order do they go?
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 04, 2021, 10:23:45 PM
There should be a CGF SIMM card below that sound card.  It looks like the other two, but is wider and doesn't have any DIP switches. 

The DIP switches on the PXL SIMMs depend on the SIMM size and how many there are.  The one on the MML2 (Sound board) should all be off.  If they were set wrong the machine would still boot up to a point and then give an error message telling you what the problem is.   They are probably set correctly.  When you get the MPU to boot it will let you know if there is a problem with them.

You had another Game King in the picture.  Do you have Key 22 or Key 40?  If so, remove the base chip, put the keychip in and see if it boots to the keychip menu or not.

Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 05, 2021, 12:23:15 AM
yes i have the 22, i used it a few times setting up the game kings i sold, i put the 22 chip in and could barely see but i did get to the setup point but when i went to lock in yes and move down the list there was not an attendant key switch so i just tapped the two together to move on but i cant see anything now. i think i have the dips right on the simm pxl and the one for sound and yes there was a bigger one underneath the media board but there is a empty slot under the board i sent a pic, is that supposed to be empty? if i still had the other cabinets here i wouldn't have so many questions
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 05, 2021, 08:45:33 AM
When you say you can't see anything do you mean because the monitor is too dim?

What is the game title supposed to be do you know?

Older game software uses EPROMs instead of a CGF SIMM card.  It's one or the other though, so if you have a SIMM card the two eprom sockets under it will be empty.
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 05, 2021, 03:10:08 PM
the game i believe is something called mermaid and the board has 3 sim cards 2 on the main board 1 on the multimedia board and then a bigger one underneath and here is a pic on the monitor, thats why i can't see it
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 05, 2021, 04:11:49 PM
Ok, so the gray pixelated screen remained with Key 22 in it.  I was hoping it would go away and you'd see a normal key 22 keychip menu.  Try removing all the game software and using just Key 22 in it and see what that does. 

If it's mystical mermaids one SIMM card should be ON ON ON OFF and the other OFF ON ON ON (SW1 -> SW4).  The SIMM card on the sound card should all be off. 
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 05, 2021, 05:09:49 PM
okay, pulled the base chip and game chips and put in the clear 22 chip and the screen cleared powered down put the base chip back in and it went to the way it was, so i'm taking it that the base chip is bad and how would i know if the game chips are good
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 05, 2021, 05:30:11 PM
Since that works it looks like the game software is probably the culprit.  It's hard to say which chip is bad or even what to replace it with since they're not labeled with I000XXXX and G000XXXX numbers.  You may be better off finding an entire software set for it.

Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 05, 2021, 06:06:56 PM
well since the thing has no glass would the machine take something like this
Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 05, 2021, 06:10:54 PM
or this
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 05, 2021, 07:17:08 PM
Software will.  I'm not sure if they had WOF with a 17" chop top glass set though.  I've only seen it for 19" cabinets.  It's pretty old software, all EPROM based.  As long as the glass is the right size either one will work with your MPU.


Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 05, 2021, 10:57:17 PM
well i thought since it had glass and software for a decent price i'd give it a try, i want to thank you for all your help, i think you've got it figured out.

Chuck
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 06, 2021, 09:28:30 AM
Got it.  Glad to help.  Let us know if you run into any further problems.

Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 13, 2021, 05:54:37 PM
Hey all,
i have 4 simms on 3902 board 3 of them have dip switches what i need to find out is their positions and what slots they go in?


today is a new day my brother
Title: Re: igt game king flashing red light on mpu
Post by: Tilt on December 13, 2021, 06:31:01 PM
If that's supposed to be a working set they've obviously been re-flashed, but whoever did it should have put some new labels on it.  :fryingpan:

Anyways.  The wide one is the CGF simm card, it goes under the under the sound board.  The one with all the DIP switches should be the sound simm card and it goes in the MML2 (multimedia lite 2 sound card).  The other two go in the other simm card slots.  Order and location doesn't matter. 

Title: Re: igt game king flashing red light on mpu
Post by: Chuck spurlock on December 13, 2021, 10:38:18 PM
okay got it going and got to setup, powered down replaced 22 with base chip and back to squiggly lines, so i just have to wait for new base chip and software to continue, they were supposed to be here 2 days ago, still not here, thanks to everyone helping me
Title: Re: igt game king flashing red light on mpu
Post by: lvdesertrat on December 16, 2021, 08:21:31 AM
I would even check all the pins on the MPU. Some times, simply a bent pin on the board can cause these problems. Remove the board, check the pins and see if that's the case.
After that, then go to the individual components (caps, inverter boards, etc.)
Good luck.
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