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[> [> Subject: Re: Ballys 5500 error code 83F
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Author:
Bob
[Edit]
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Date Posted: 12:00:30 12/10/06 Sun
Sorry, ram clear chips for U12 and U15.
> Your MPU Ram battery needs to be replaced. IT is a
>1/2 AA Lithium Battery, axial leads, available many
>times on Ebay or any good electronics stores such as
>Fry's, etc. You can go on line to Frys.com and order
>one there- about $8. Or any other slot supplier or
>electronics store. Happcontrols.com also has them.
>You need to desolder the battery from the board or
>much easier, clip the leads near the battery itself.
>that way, you can solder the new one on directly to
>those leads, without risking desoldering the board
>connector itself, causing risk of heat damage if you
>are not a professional solderer; The 5500 has a
>multi-layer board, so if you get it too hot, you will
>ruin the board. Much easier to clip and solder onto
>the existing leads. Make sure you have the battery in
>the right direction, positive and negative in the
>correct direction. Once soldered (the battery should
>read 3.6 v) you need to reinstall the MPU and conduct
>a ram clear procedure. hopefully, you have the model
>where you do not need a ram clear chip. Move the ram
>clear jumper to the enable position, insert the MPU
>and power up; follow the Complete Saferam Procedures,
>then remove the Board and reposition the jumper at
>J10. Reinsert and set game options and you should be
>back in business for another 8-1o years. It really is
>easy to do, but if you do not have the correct mains
>you will need a ram clear chip for the 5500, easily
>available from slot some dealers all over the web-
>Eproms U12 * U13. You should have at least a Bally
>5500 Install Manual which will walk you through the
>Saferam Procedures and Game setting options- it is all
>done on the buttons...if you don't, I would buy one
>(many times on Ebay) or I could get you one together
>or send you scans of the procedures but quicker, I
>think, though on Ebay, there is a 5500 cheat book that
>has all these procedures in it- it also covers other
>Bally Machines and it fairly cheap. Good louck, the
>entire procedure should take you perhaps 30 minutes
>with the proper info;
>
>>I have a Ballys 5500 and it shows code on front 83F
>>how do I fix the problem Thanks
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