1 2-A .
LED D ISPLAY BOARD
--
-
Troub l es hoot i ng
V i sua l Boa r d I nspect i on
The f i r s t step I n t roub l eshoot i ng t h e LED
boa r d
I s t he v i sua l
I nspect i on . Fo l l ow
t h i s check l i s t :
1 .
Check that
each mat i ng p l ug I s
prope r l y sea ted and obse r v i ng
po l a r i t y .
2 .
Check for
burned fo i l s .
3 .
Check
for ben t p i ns .
4 .
Check
for
shor t ed or open
t r aces .
1 2A-6
FO-5000- 1 ( Rev
A )
NOTES
Summary of Contents for 5000 Plus
Page 57: ......
Page 125: ...3 MPU BOARD Troub l eshoot i ng cont d CLOCK D I AGRAM Vee 3 68...
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Page 242: ...HOPPER CONTROL BOARD Boar d Assemb l y AS 3556 1 3 o 0 o Q5 r 7 4...
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Page 361: ...1 5 APPEND I CES APPEND I X 4 Co i n Mechan i sm I nc 1 5 6...
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Page 383: ...APPEND I X 6 Ser v i ce Su i l e t i ns 1 5 APP END I CES 1 5 1 2...
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