Samsung GT-B3410 Service Manual page 46

Flow Chart of Troubleshooting
KEY_COL(0:5)
KEY_COL(5)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
KEY_ROW(0:6)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
KEY_ROW(6)
Q_SPACE_2
2 1
Q_G
2 1
Q_C
2 1
Q_SPACE
2 1
Q_O
2 1
Q_T
2 1
Q_ALT
2 1
Q_RIGHT
2 1
MAIN KEY MAP
6 5 4 3 1
ZD401
2
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Q_Y
Q_J
2 1 2 1
Q_S Q_LEFT
2 1 2 1
Q_W Q_UP
2 1 2 1
Q_E Q_Z
2 1 2 1
Q_R Q_X
2 1 2 1
Q_V
Q_D
2 1 2 1
Q_B
Q_F
2 1 2 1
VDD_KEY_3.3V
LED400 LED401
LED403 LED404
R418 R417 R422 R419
KEY LED
9-18
Q_H Q_U
Q_BACK
2 1 2 1 2
Q_FINISH
Q_P Q_ENTER
2 1 2 1 2
Q_N Q_K Q_INCREASE
2 1 2 1 2
Q_M Q_DOWN
Q_A
2 1 2 1 2
Q_SYMBOL Q_I
2 1 2 1
Q_MESSAGE Q_L
2 1 2 1
Q_COMMA Q_Q
2 1 2 1
1
1
1
1