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Mpu5 error help ?

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#1 treebo88



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Posted 29 August 2017 - 07:35 PM

Firstly my name's Chris this is my first post asking for help , I've been using this forum for my troubles with fruit machines for a while now and I can usually find my answer easily as there's alot of knowlagable fruity lovers here :-) however this problem I cannot wrap my head around..

I have a mpu5 machine that's been giving me issues for a few weeks now. I got it in a non working condition, it gave a battery low/dead error code so I replaced the coin battery and the machine powered up for about 5 minutes and gave a corrupt error aswell as a no I'd card error and character error, so I cleared the mem etc and it worked again for 5 mins and the same result... then nothing , it won't power the game card up at all, I replaced the green battery and then that also worked for a few minutes and it died again, every time I remove and test or replace and test the green battery it works fine for a few mins ... I don't understand what's wrong ? Any ideas at this point would be appreciated ...
I should also add I've tried another game board in this machine and it booted perfectly so the main board is fine I just don't understand how it will boot whenever it likes...

#2 treebo88



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Posted 30 August 2017 - 09:39 AM

Ok so I managed to get this game card to boot by removing it using a different game card to clear the roms (googled idea) and then replacing my card, it worked and played all night I switched it off last night and came back to it today and no go again... same errors

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#3 aaamusements


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Posted 30 August 2017 - 07:01 PM

Do you know if the program on the card is contained in removable EPROMS, or is it on flash memory?

#4 richy1976


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Posted 30 August 2017 - 07:15 PM

The error is to do with the pic chip, with it being a used machine & you aquired it broke, the chip could be missing, blown, wrong.

You can see the chip through a cut out on the mpu it will have a code on it (dont know what machine you got) like BA25 for example.

#5 TommyC


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Posted 30 August 2017 - 09:40 PM

Looks like the machine is going ape by barcrest
Hold the bells mate.

#6 fruitman69


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Posted 31 August 2017 - 08:31 AM

Carefully remove the small pic chip and reseat it back in, that has worked for me before. This is assuming it is the correct one for the game. ( the heat can sometimes make them work up the socket )


I also had a CWOranges on site do this at boot up some times and switching on and on again normally worked, however i never got to the bottom of why it came up with the error now and again.

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