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Title: Unknown to me, CEI machine, what model is it? Post by: Jackpot on September 04, 2010, 04:36:09 AM Hi people,
Well here is a CEI machine I know nothing about, it has MPU problems because of being stored, image is scrambled, may come up, and may freeze, did coin up but now it will not. Maybe I just need a good MPU board for it to cure the problems. Can anyone tell me about this machine, like the model number, where to get a replacement MPU or have it repaired, where can I find a Manual for it? Thanks Jackpot Title: Re: Unknown to me, CEI machine, what model is it? Post by: Jackpot on September 04, 2010, 04:38:01 AM Also here is a photo of the serial number tag and the mpu board. Thanks for any help on this one.
Jackpot :58- Title: Re: Unknown to me, CEI machine, what model is it? Post by: doyson on September 04, 2010, 02:36:14 PM Hi
your CEI game is a 904 game from the pictures it is a hold game and the program is parable v.24.0 the hold version of 23.9 hope this helps Title: Re: Unknown to me, CEI machine, what model is it? Post by: Jackpot on September 04, 2010, 04:04:11 PM GREAT STUFF DOYSON! Thank you!, now I know at least that it is a model 904, so now I am looking for a manual to cover this, and maybe a good MPU for it. I looked for a new ram for it already, CMOS Ram number: (Japan 4A1) HM6116LP-3 but this ram chip is obsolete. I thought maybe a new Ram would help it some. It was working when stored, but then it was stored in a damp trailer for years, so now it's having big problems. I put a new battery on the MPU and it tries to have a almost complete image on screen, but freezes up, and then chops up.
Thank you for takeing the time to help. Rodger :wa Title: Re: Unknown to me, CEI machine, what model is it? Post by: doyson on September 04, 2010, 07:27:16 PM Rodger
You might try removing all the Program chips and cg chips and reinstall them and also check the sockits we had some boards that had cheap sockits (only had contacts on one side) and if you replace the board a 906 II or 906 III will also work Doyle Title: Re: Unknown to me, CEI machine, what model is it? Post by: Jackpot on September 04, 2010, 09:35:38 PM Thank You very much for thi information! I'll give all this a try asap. I don't have this machine here but when I go back to where it is I'll try all this and have a look at those scokets. Maybe even touch them with the iron if you think these might be known for cold solder joints.
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