Only For Training And Service Purposes - LG GW620 Servise Manual

VREG_MSMP_2.7V
QTKEY_RESET
C47
0.1UF
VREG_MSMP_2.7V
1
TEST
2
SEL_28P
3
P57
4
P56
PP2106M2
5
P55
EUSY0300004
6
QTKEY_INT P17
7
QTKEY_SCL P15
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

C44
0.1UF
R154
R10
470ohms
2.2Kohms
R142
QTKEY_SDA 470ohms
R143
470ohms
21
P40
20
P41
R147
19
P42
U26
470ohms
18
P43
17
P44
16
P45
R144
15
P46
470ohms
R141
470ohms
R140
470ohms
R149 470ohms
R152 470ohms
R151 470ohms
R150 470ohms
R148 470ohms
R145 470ohms
R146 470ohms
R67 470ohms
Figure. QTKEY
KB36
KB30 KB28 KB26
KB24 KB18 KB20
KB8 KB14 KB12
KB6 KB3 KB2
KB9 KB15 KB13
(1)
KB25 KB19 KB21
KB33 KB35 KB37
- 63 -
3. Technical Brief
KEYPAD_BUTTON
KB27 KB31 KB29 KB40
KB22 KB16 KB44 KB34
KB10 KB17 KB45 KB47
KB4 KB7 KB5 KB39
KB11 KB41 KB43 KB32
KB23 KB46 KB42 KB1
KB48 KB49 KB38
LGE Internal Use Only
KEY_ROW[0]
KEY_ROW[1]
KEY_ROW[2]
KEY_ROW[3]
KEY_COL[7]