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Flow Chart of Troubleshooting
9-14
1
2
MAIN KEY MAP
KEY LED
Q_ALT
1
2
Q_F
1
2
Q_H
1
2
Q_K
R422
Q_B
1
2
Q_A
1
2
1
2
Q_ENTER
1
2
1
2
Q_BACK
LED401
Q_INCREASE
1
2
Q_SPACE_2
VDD_KEY_3.3V
Q_R
1
2
1
2
Q_X
1
2
Q_G
LED404
1
2
Q_O
1
2
Q_T
1
2
Q_C
1
2
Q_SPACE
Q_E
1
2
Q_W
1
2
1
2
Q_DOWN
2
Q_FINISH
1
2
Q_U
1
2
Q_I
1
R419
2
Q_Q
1
2
1
2
Q_J
1
Q_Y
LED403
Q_S
1
2
Q_RIGHT
1
2
LED400
Q_D
1
2
R417
Q_L
1
2
Q_V
1
2
Q_COMMA
1
2
1
2
Q_MESSAGE
1
2
2
Q_N
1
2
Q_M
1
2
Q_P
1
Q_Z
1
2
Q_SYMBOL
1
2
Q_UP
1
2
Q_LEFT
R418
3
4
5
6
ZD401
1
2
KEY_ROW(2)
KEY_COL(1)
KEY_COL(0)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
KEY_ROW(6)
KEY_ROW(0)
KEY_ROW(1)
KEY_COL(5)
KEY_COL(3)
KEY_COL(2)
KEY_COL(0:5)
KEY_ROW(0:6)
KEY_COL(4)