Key Data Input - Samsung GT-S5200 Service Manual

Flow Chart of Troubleshooting

9-7. Key Data Input

Check Initial Operation
Yes
No
When one of the keys is
Check the Dome sheet or
pressed,
the KeyPBA connection with HDC500
is it displayed on LCD?
Yes
No
When one of the keys is
pressed, Replace the PBA
KBIO signal is OK?
Yes
END
9-15
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