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Flow Chart of Troubleshooting
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9-13
9-7. Key Data Input
When one of the keys is
pushed,
is it displayed on LCD?
Check the Dome sheet & Key Pad
END
No
Yes
Yes
Check Initial Operation
When one of the keys is
pushed,
KBIO signal is OK?
Replace the PBA
No
Yes
KEY_MAP
2
2
DIGIT1
1
DIGIT3
1
12
DIGIT6
12
DIGIT8
12
DIGIT7
DIGIT2
12
STAR1
12
2
DIGIT9
1
12
DIGIT5
DIGIT4
12
12
DIGIT10
12
SHARP1
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(0)
KEY_COL(4)
KEY_COL(3)
KEY_COL(0:4)
KEY_ROW(0:2)
Содержание SGH-E370
Страница 28: ...8 PCB Diagrams 8 1 8 1 Main PCB Diagram Top ...
Страница 29: ...PCB Diagrams 8 2 Bottom ...
Страница 30: ...PCB Diagrams 8 3 8 2 Sub PCB Diagram Top ...
Страница 31: ...PCB Diagrams 8 4 Bottom ...