BALLY 500 "WAIT FOT ATTEND" CHECK BATTERY

[freaktech]

Hi

I hope someone could help

the externel battery was may be empty, ther machine was 2 weok powered of or 3

so its on now for an hour battery is again with about 3.5v


but i am not able to clear the error

i tried

open the door press reset at the cpu box     a short shale of the reels and the same again

tried the reset switch  but it opens the book keeping

also pressing reset for some seconds or test will not clear it

any ideas

thank
you tom

[freaktech]

i Thing its an acid demage also

sometimes now when i switch on the reels are running
the display shows sometimes  like last jackpot with some ?? 11 xx       



looks like crap in the memory 

any way to reset the memory?
the keyboard is available but no reaction.


anyone able to fix this board?

anyone have a working  AS-3356-6 board for sale?
the machine looks to good
i want to have it woking againt


display says now  check batter y and thenn


payed jackpot   
last in    or so


i can enter bookkeeping an also the test menue

i think i have to do some kind of reset
but the reset button only is not enough



thx
tom

austria

[freaktech]

in the meantime ai chaged the 8-pin IC   and 1-2 tines themachine startet

cleanded everything and now

when i power on    i hear 1 clicking sound at thespeaker

both red LED turn on   and  off    looks like the board resets by itself

always the same ecept 1 time it boots up and after 10 sek  the same

what could i check now?

all ICs removed  and  pressed inside again


:-(

any ideas