Advertisement
Flow Chart of Troubleshooting
9-8. Key Data Input
Check Initial Operation
Yes
No
When one of the keys is
Check the Dome sheet & Key FPCB
pushed,
is it displayed on LCD?
Yes
No
When one of the keys is
Replace the PBA
pushed,
KEY_IO signal is OK?
Yes
END
9-18
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Advertisement
