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7-7. Key Data Input
C h e ck In itia l O p e ra tio n
W h e no n eo f th eke ysis
p u s h e d ,
Is n 't it d is p la ye do nLC D ?
W h e no n eo f th eke ysis
K E Y _ R O W (0 ,4 ),
K E Y _ C O L(0 ,4 )
s ig n a l isO K ?
Y e s
Y e s
p u s h e d ,
Y e s
E N D
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N o
C h e c k th eD o m es h e e t &K e y P a d
N o
R e s o ld e r V 7 0 2 , 7 0 3 , 7 0 4 , 7 0 5 , 7 0 6
&R e p la c eth eP B A
7- 15
F low Chart of Troubleshooting
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