Key Data Input - Samsung SGH-Z110V Service Manual

F low Chart of Troubleshooting

6. Key Data Input

C h eck In itial O p era tio n
W h eno n e o f th e keys is
p u s h ed ,
is it d is p layedo nLC D ?
W h eno n e o f th e keys is
K E Y _ IOs ig n al is O K ?
Y es
Y es
p u s h ed ,
Y es
E N D
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N o
C h ec k th e D o m e s h eet & K ey P ad
N o
R ep lace th e P B A
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