Archived from groups: rec.games.pinball (
More info?)
Brian:
Thanks! I will order the chips. I have removed and replaced chips (and added
sockets) on boards. I will try this first then go for the ROM images.
Thanks
Michael
"Flyinwalenda" <flyinwalenda@NOSPAMfreeplayentertainment.com> wrote in
message news:4303cc65$0$83690$892e7fe2@authen.white.readfreenews.net...
> The U11 swap will be less expensive than replacing the ROM's providing you
> can do the work yourself. Get the chip(or two) and a few sockets. Practice
> desoldering and soldering on a junk board first if you've never done this
> before. You also need the correct soldering equipment.
> If the chip doesn't fix it then new software should. From what I know
> Gottlieb was aware of the problem with programming/U11 resets and fixed it
> in later revisions.
> PBR has the ROM images but someone here may have them saved as well. I
> don't have them for Freddy.
>
> Brian Ray
>
> Michael Belofsky wrote:
>
>> Brian:
>> Why would an old version of software make a difference. Wouldn't it have
>> always run with the software and the hardware has not been updated?
>> (Asking as a software developer.)
>>
>> It looks like the chip is 45 cents at GPE. Hopefully it can be that
>> simple?
>>
>> I assume there are people on the board that could burn new software chips
>> for the game? Do you know about how much and from whom? Or if you or
>> anyone else can provide this service it is probably worth having anyway.
>>
>> Thanks
>> Michael
>>
>> "Flyinwalenda" <flyinwalenda@NOSPAMfreeplayentertainment.com> wrote in
>> message news:4303c1af$0$83690$892e7fe2@authen.white.readfreenews.net...
>>
>>>Michael Belofsky wrote:
>>>
>>>>Thanks for the info.
>>>>
>>>>The slam switch is not stuck.
>>>>
>>>>I turned on the machine just now. It was showing about 5.2 VDC. I
>>>>slightly moved the voltage down to 4.9 then up to 5.3. It did not
>>>>reboot. Yesterday it did and I am afraid that I could have or will screw
>>>>it up more than I should.
>>>>
>>>>I do not have the manual yet (ordered yesterday from PBR). I am not sure
>>>>what the 123 chip is or where it is.
>>>>
>>>>Someone told me that my battery could be dead. But yesterday when I
>>>>changed the number of balls from 3 to 5 it seemed to remember that
>>>>between getting the machine back working.
>>>>
>>>>I tested the voltage on the battery from ground to the battery. It reads
>>>>3.31 VDC. I am not sure if this is a useful measurement. Should I try to
>>>>replace the battery? What should the voltage read?
>>>>
>>>>Someone else told me that I should get a different cable to the power
>>>>supply that will boost up the power.
>>>>
>>>>Does any of this make sense to do?
>>>>
>>>>I hope replacing the 123 chip is something I can do without sending it
>>>>out to a board repair shop?
>>>>
>>>>Thanks
>>>>Michael
>>>
>>>The "123" chip is a 74HC123 and is located on the control board at U11.
>>>That may be the problem or it could be running on an old revision of
>>>software and may just need to be updated with the current rom revision.
>>>
>>>Brian Ray
>>>
>>
>>
>>
>