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Flow Chart of Troubleshooting
9-12
KEY Map
DIGIT601
1
2
ZD600
1
2
3
4
5
6
DIGIT605
1
2
2
DIGIT609
1
2
DIGIT608
1
STAR
1
2
1
2
DIGIT603
SHARP
1
2
1
2
DIGIT602
1
2
DIGIT600
CLEAR
1
2
DIGIT606
1
2
1
2
DIGIT604
SEND
1
2
2
DIGIT607
1
KEY_ROW(3)
KEY_ROW(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_ROW(7)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
KEY_ROW(0:7)
KEY_COL(0:2)
9-8. Receiver Part
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