Key Pad - LG L602i Service Manual

3.10.4. Key Pad

There are 26 buttons and 3 side keys in Figure. Shows the Keypad circuit. °ÆEND' Key is connected
On_SW_N to PMIC(PM6650-2) and MSM(GPIO76).
COL0
ROW0 3
ROW(1) 1
ROW(2) 4
ROW(3) 7
ROW(4) HOT4(*)
VREG_MSMP_2.7V
K600
3
KEY_ROW(0)
K602
1
KEY_ROW(1)
K604
4
KEY_ROW(2)
K606
7
KEY_ROW(3)
K609
HOT4
KEY_ROW(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(5)
CN601
1
2
3
COL1 COL2
6 HOT3( i )
2 MULTI
5 RIGHT
8
0
Table Key Matrix Mapping Table
KEY
K601
6
K603
2
K605
5
K607 K608
8 9
K610 K611
0 HOT5
Volume Key
KEY_ROW(0)
KEY_ROW(1)
R618 100
KEY_COL(5)
Figure Keypad Circuit
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3. TECHNICAL BRIEF
COL3 COL4
MENU HOT2 (INBOX)
DOWN HOT1 (VT)
CLR (Clear) SEND
UP LEFT
UPPER KEY BUTTON 11+1
K700
KEY_ROW(0)
K703
KEY_ROW(1)
K706
KEY_ROW(2)
K709
KEY_ROW(3)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
Camera Key
CN602
1
KEY_ROW(2)
2 R619 100
KEY_COL(5)
COL5
Side key(Up)
Side key(Down)
Side Key(Camera)
9
HOT5(#)
K701 K702
K704 K705
K707 K708
K710