User Guide

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S
GH-C100 Flow Chart of Troubleshooting
4- 11
T
his Docu m ent can not be used w ithout Sam sung 's authoriza tion
8
.Key Data Input
'#pad'(See the picture
below ) is'high'(¡
2.8V )
C heck the Initial O peration
EN D
Yes
W hen one of the key
is pushed, # pad is
'low '
Yes
C heck U 300
No
Replace the D om Sheet O R
Check if the V 402,403,404 are
opened
No
Yes
C heck the K eypad &
D om Sheet
Replace or A djust
the K eypad & D om Sheet