Key Data Input - Samsung SGH-E330N Service Manual

Flow Chart of Troubleshooting

7-7. Key Data Input

Check Initial Operation
Y e s
No
When one of the keys is
Check the Dome sheet & Key Pad
pushed ,
is it displayed on LCD ?
Y e s
No
When one of the keys is
Replace the PBA
pushed,
KBIO signal is OK ?
Y e s
END
7- 14
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