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Flow Chart of Troubleshooting
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9-15
9-7. Key Data Input
Check Initial Operation
Yes
When one of the keys is
pushed,
is it displayed on LCD?
Check the Key PBA, Dome sheet
& Key Pad
No
Yes
When one of the keys is
pushed,
KEY_COL(0:4),
KEY_ROW(0:4)
signal is OK?
Replace the PBA
No
Yes
END
Содержание SGH-D780
Страница 31: ...7 Block Diagrams 7 1 7 1 Functional Block Diagram ...
Страница 32: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 33: ...8 PCB Diagrams 8 1 Main top view ...
Страница 34: ...PCB Diagrams 8 2 Main bottom view ...