Bally 5000 Plus, Manual

Page: 237 / 388

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DOOR D I STR I BUT I ON BOARD
Conne c t o r Loca t i on and Use ( cont ' d )
J 1
J 1
I s a
28
p i n connector
I n t e r f a c i ng d i sc r e t e w i r e s to t he
co i n mec h a n i sm , door , and deck
a ssemb l y . The powe r f r om J 2
t r ans f e r s t h roug h J 1 p i ns 1 -4 . J 1
p i n 1 2 I n t e r faces w i t h t he co i n
dr op sensor when t he doo r I s c l osed
and w i t h
t he
SW1
( pseudo co i n
but ton ) when t he doo r I s open .
T h e 5 VDC a t J 1 p i n 28 passes
t h rough t he l i m i t i ng r es i s t or ( R 1 )
and dr i ve s t he em i t t e r o f t he
opt i ca l door cam sw i t c h .
J 3
J 3 I s a spa r e conne c t o r . A l t hough
names we r e ass i gned , t he r e a r e no
connec t i ons use d .
Th i s I n t e r f ace
to t he I /O boa r d I s for f u t u r e use .
Troub l eshoot i ng
V i sua l Boa r d I n spec t i on
The f i r s t s t e p I n t roub l eshoot i ng
t he door d i s t r i but i on boa r d I s t he
v I sua I I nspect I on .
Fo l l ow t h i s c h e cK l i s t .
1 . ChecK t h a t e a c h mat i ng p l ug I s
p rope r l y sea t e d and obse r v i ng
po I a r I t y .
2 . ChecK for bu r ned fo l I s .
3 .
ChecK for bent p i ns .
4 . ChecK
t r aces .
for s hor t e d or
ChecK Boa r d and Ground
open
Check vo l t ages at v a r i ous t es t
l oca t i ons ma r ked by ho l es l abe l ed
+5 , +24 , and + 1 2 . See Boar d
Assemb l y .
6-6
FO-5000- 1 ( Re v A )
NOTES