Motorola D10 Service Manual page 76

BenQ
3.14 Keyboard circuit
ROW0
COL0
COL1
COL2
COL3
COL4
ROW4
BGND
Description
1. The keypad is made of a 5 Column x 4 Row matrixes.
2. The keypad matrix is as follows:
ROW1
S1
KSW
[3]
S5
KSW
[6]
S12
KSW
[9]
S16
KSW
[#]
D2
1 2
1PS79SB30
S19
KSW
[NO]
[PWR]
ROW2 ROW3
S2 S3
KSW KSW
[2] [1]
S6
KSW
[5]
S9
KSW
[8]
S13 S14
KSW KSW
[0] [*]
S17
KSW
PWON
35
Rev 1.0
S4
KSW
[Down]
S7 S8
KSW
KSW
[4]
[SEL]
S10 S11
KSW
KSW
[Up]
[7]
S15
KSW
[menu]
S18
KSW
[Send] [QUIT]