Bally 5000 Plus, Manual

Page: 164 / 388

3-A . Memory Boa rds
Troub l es hoot i ng
V i sua l Boa r d I nspec t i on
The f i r s t s t e p I n t r oub l es hoot i ng t he boa r d
I s t he v i sua l I nspec t i on . Fo l l ow t h i s
check I 1 s t :
1 . Check t h a t e a c h ma t i ng p l ug I s
p r oper l y sea t ed a n d obser v i ng
po I a r I t y .
2 . C h eck f o r bur ned fo l I s .
3 . Check f o r b e n t p i ns .
4 . Check for s ho r t ed o r open t r a ces .
5 .
Make su r e t he I Cs a r e I nse r t e d I n t he
co r r e c t o r i en t a t i on , a n d t h a t no l egs
are f o l d e d unde r .
C l ea r i ng SafeRAM
I f t he so f t wa r e I s of v i n t age ME60000X-2 ( Sy s t em 5000 M a i n ) or MV1 7XX-X ( V i deo
5000 Ma i n ) , t he f o l l ow i ng p r ocedure can be used to c l ea r s a f eRAM I n s t ea d o f
us i ng s a f eRAM c l e a r c h i ps .
S a f eRAM c l ea r j umpe r p l ug ( 8a l I y p a r t No . E-664-4 0 1 ) i s des i gned a n d keyed t o
f i t on conne c t o r J 1 on t he doo r d i s t r i bu t i on boa r d . T h e unused I nput a t p i n 1 1 ,
ca l l ed co i n sensor 4 , on t h e doo r d i s t r i bu t i on boa r d can be used a s s a f eRAM
c l ea r s i gna l .
For a pa r t i a l s a f eRAM c l ea r :
1 .
Open t he door .
2 . Sw i t c h t he powe r sw i t c h o f f .
3 .
D i sconne c t t he J 1 conne c t o r on t he door d i s t r i bu t i on boa r d .
4 .
Conne c t t he s a f eRAM c l ea r j umpe r t o J 1 , ma t c h i ng p i ns 1 .
5 . F l i p t he powe r sw i t c h on . T h e game r ecogn i ze s t he doo r open a n d t he j umper
p l ug I ns t a l l ed . A p a r t i a l s a f eRAM c l ea r w i I I occur . See message t a b l e be l ow .
6 . F l i p t he powe r sw i t c h o f f .
7 .
Remove t he j umper p l ug .
8 . Re l ns t a l I t he deck cab l e .
9 . F l i p t he powe r sw i t c h on .
Fo r a comp l e t e s a f eRAM c l ea r , subs t i t u t e t he fo l l ow i ng s t ep 5 f o r s t ep 5 above :
5 . P r ess a n d ho l d t he " P S E UDO CO I N " bu t t on , t he n f l i p t he powe r sw i t c h on .
3A- 4
R e l e a s e t he bu t t on when " SA F E RAM CL EAR I NG " appea r s on t he message cen t e r o r
when " CH " appe a r s on t he L E D d i sp l ay cen t e r .
FO-5000- 1 ( Re v A )