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Author Topic: Merit Technologies Dakota Superstar F32040  (Read 10293 times)
stayouttadabunker
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« on: November 20, 2008, 04:20:42 PM »
I know how you feel techknight...I have been watching and reading this topic but I couldnt help you.
And I know the frustration you feel when you keep checking back here and still no one has replied...
I found that patience is the key. Someone somewhere will respond. yes
I have the same kind of corrupted screen on a Dakota Superstar video machine
made by Merit Technologies (Model F32040) that has been gathering dust.
If I get mine fixed, maybe it'll help you...
it's a pulltab/slot type of game.
I cant find anything on it....nada...nothing bawling

* Picture 031.jpg (11.87 KB, 320x240 - viewed 1295 times.)

* Picture 042.jpg (14.09 KB, 320x240 - viewed 1166 times.)

* Picture 043.jpg (11.15 KB, 320x240 - viewed 1203 times.)

* Picture 044.jpg (9.11 KB, 320x240 - viewed 1171 times.)

* Picture 045.jpg (9.2 KB, 320x240 - viewed 1236 times.)

* Picture 046.jpg (15.27 KB, 320x240 - viewed 1173 times.)
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stayouttadabunker
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« Reply #1 on: November 21, 2008, 01:09:37 AM »
no,
unfortunately I cannot clear the "code 4".
It goes back to that scrambled pixels.... hissy fit
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techknight
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« Reply #2 on: November 21, 2008, 01:18:59 AM »
yeap that board needs gone through. especially the SRAMs.

can you take pictures of those boards? Also you need to test all the components on the power supply also.
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techknight
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« Reply #3 on: November 21, 2008, 01:19:14 AM »
If you lived near me, i would come over and fix it. Tongue
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stayouttadabunker
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« Reply #4 on: November 21, 2008, 01:32:12 AM »
I actually have two boards...pics tommorow morning...
thanks for your help on this Hail
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techknight
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« Reply #5 on: November 24, 2008, 12:57:49 PM »
damn it was tomorrow like 2 days ago.
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stayouttadabunker
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« Reply #6 on: November 24, 2008, 02:22:34 PM »
OKAY OKAY OKAY! LOLOL rotflmao I'm so sorry!!!!please forgive me!
here they are....The first board had markings on the chips, the other board only has green tape over them.

* Merit boards 001.jpg (110.16 KB, 640x480 - viewed 509 times.)

* Merit boards 002.jpg (111.06 KB, 640x480 - viewed 476 times.)

* Merit boards 003.jpg (110.74 KB, 640x480 - viewed 492 times.)

* Merit boards 004.jpg (110.74 KB, 640x480 - viewed 463 times.)

* Merit boards 005.jpg (110.1 KB, 640x480 - viewed 478 times.)
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stayouttadabunker
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« Reply #7 on: November 24, 2008, 02:24:21 PM »
Here's the 2nd board pictures...

* Merit boards 006.jpg (110.34 KB, 640x480 - viewed 476 times.)

* Merit boards 007.jpg (108.86 KB, 640x480 - viewed 466 times.)

* Merit boards 008.jpg (110.38 KB, 640x480 - viewed 532 times.)

* Merit boards 009.jpg (110.87 KB, 640x480 - viewed 470 times.)
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techknight
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« Reply #8 on: November 24, 2008, 08:57:54 PM »
you need to change the SRAM. the pictures arnt a high enough resolution to see what the part numbers are.

Also the dallas chips need replaced as they have a battery inside that chip which has died by now.
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techknight
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« Reply #9 on: November 24, 2008, 09:13:32 PM »
the 6264 is commonly available as 6264LP-70

not so sure on the dallas chip.

Also for safekeeping perposes, the data on all those 27512 EPROMs need dumped and saved just in case a failure occures in the future on the chip. (bitrot)
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techknight
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« Reply #10 on: November 24, 2008, 09:17:56 PM »
and one thing that I noticed. both of those game boards are the same. only difference is probably one has a different game programmed in the EPROMs.
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stayouttadabunker
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« Reply #11 on: November 24, 2008, 10:16:23 PM »
Thanks techknight,
I'll be damned if I know where to start looking for replacement chips for this thing.
I want to thanks you for all the help you've given me so far.
I am amazed at what you can tell from my terrible photography...
As far as the 2624chip, do I buy blanks like from digikey or mouser be okay?
Or must the chips be formatted and programmed?
I'll bet no one for the next bunch of years will have a "clear" chip for these rams.
I may just strip the machine and throw a cherry master game in it! Tongue Out
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techknight
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« Reply #12 on: November 24, 2008, 10:31:42 PM »
lol... SRAM is RAM. or Volatle memory. memory is lost when power is lost. period. Tongue

its 6264. i dont know where you got that number from. Just replace them.
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stayouttadabunker
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« Reply #13 on: November 24, 2008, 10:37:22 PM »
oh...lol.......duh okay...a lot I know huh? rotflmao

ADD>> 2664, 2624...I must be dyslexic or something now.......
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stayouttadabunker
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« Reply #14 on: November 26, 2008, 06:54:47 PM »
I changed out the Dallas rams and then put back in the old Dallas rams...
The game is working perfectly....amazing huh?
Thanks for your help on the rams...
I think switching the rams cleared out something then the game booted up perfectly when I re-installed the old rams.
Now, I'm gonna fool around with the other board and see what it is...
Kudos + to ya techknight!


I posted a few pics in no particular order but to show that I played some tabs then hit the cash out button,
the credits got knocked down to zero and got a printout down below in the tray.

* Dakota Superstar Pull Tab Game 001.jpg (109.4 KB, 640x480 - viewed 503 times.)

* Dakota Superstar Pull Tab Game 002.jpg (110.13 KB, 640x480 - viewed 509 times.)

* Dakota Superstar Pull Tab Game 004.jpg (110.04 KB, 640x480 - viewed 521 times.)

* Dakota Superstar Pull Tab Game 006.jpg (109.16 KB, 640x480 - viewed 473 times.)

* Dakota Superstar Pull Tab Game 005.jpg (109.99 KB, 640x480 - viewed 486 times.)
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techknight
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« Reply #15 on: November 26, 2008, 09:02:33 PM »
told ya. hehe.
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stayouttadabunker
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« Reply #16 on: November 26, 2008, 10:04:34 PM »
haha yes you did! I gotta thank you for that.
I got a question for ya.
If I sent the board to you, could you burn me a copy of everything  in case this happens again?
It's good to have spares but I dont know crap about burning eeproms.
Heck, I dont even own one.
I'll reimburse you for what ever you need to make a copy.
Would you need the whole board or just certain items?
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techknight
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« Reply #17 on: November 26, 2008, 10:30:59 PM »
Well it seems the ROMs are ok, if the game is playing normal.
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stayouttadabunker
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« Reply #18 on: November 26, 2008, 10:34:47 PM »
Okay thanks techknight,
My grandmother really likes it....I'm thinking of giving it to her for xmas.
I might get into eeprom burning later but right now I'm awaiting a huge CON1 to come in and start playing with that...
I may not have any hair left after this...lol
Did you ever get your Bally video game going yet?
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techknight
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« Reply #19 on: November 26, 2008, 11:09:50 PM »
Yea but im going to have to look deeper into the address decoding/latch circuits as the lights dont appear to work.
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