LG L602i Service Manual page 147

7. CIRCUIT DIAGRAM
Key-FPCB Connector (Socket)
CN700
G1 G2
1 44
2 43
+VPWR
3 42
4 41
V_BACK_UP
5 40
KEY_COL(4)
6 39
KEY_COL(3)
7 38
KEY_COL(2)
8 37
9 36
LCD_MAKER_ID
10 35
EBI2_DATA(11)
11 34
EBI2_DATA(10)
12 33
EBI2_DATA(9)
13 32
EBI2_DATA(8)
14 31
EBI2_DATA(7)
15 30
EBI2_DATA(6)
16 29
EBI2_DATA(5)
17 28
EBI2_DATA(4)
18 27
EBI2_DATA(3)
19 26
EBI2_DATA(2)
20 25
EBI2_DATA(1)
21 24
EBI2_DATA(0)
22 23
C704
G3 G4
0.1uF
AXK7L44227G
UPPER KEY BUTTON 11+1
K700 K701
KEY_ROW(0)
K703 K704
KEY_ROW(1)
K706 K707
KEY_ROW(2)
K709 K710
KEY_ROW(3)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
END
ON_SW_N
LCD Connector
VREG_LCD_2.8V
LCD_BACK_EN LCD_MAKER_ID
ON_SW_N EBI2_DATA(0)
KEY_ROW(3) EBI2_DATA(1)
KEY_ROW(2) EBI2_DATA(2)
KEY_ROW(1) EBI2_DATA(3)
KEY_ROW(0) EBI2_DATA(4)
SUBKEYLED_DRV_N EBI2_DATA(5)
LCD_LDO_EN EBI2_DATA(6)
EBI2_DATA(7)
EBI2_DATA(15) EBI2_DATA(8)
EBI2_DATA(14) EBI2_DATA(9)
EBI2_DATA(13) EBI2_DATA(10)
EBI2_DATA(12) EBI2_DATA(11)
EBI2_OE_N EBI2_DATA(12)
EBI2_WE_N EBI2_DATA(13)
EBI2_DATA(14)
LCD_ADS EBI2_DATA(15)
LCD_CS_N
LCD_RESET_N LCD_RESET_N
LCD_IF_MODE EBI2_WE_N
EBI2_OE_N
LCD_CS_N
LCD_ADS
LCD_IF_MODE
WLED_4
WLED_3
WLED_2
WLED_1
WLED_PWR
K702
UPPER KEYLED 8EA
+VPWR
K705
LD700
R705
47
CL-194S-WR-SD-T
LD702
R707
47
CL-194S-WR-SD-T
K708
LD704
R709
47
CL-194S-WR-SD-T
LD706
R711
47
CL-194S-WR-SD-T
Back-up Battery
BAT700
V_BACK_UP
ML414RH-F9CE
VA704
EVLC14S02050
- 148 -
8 8
CN701
1
2
3
4
5 +VPWR
6
7
8 WLED_PWR
9
10
11 LCD_BACK_EN
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
IMSA-9671S-35Y902
LCD_LDO_EN
+VPWR
LD701
R706
47
CL-194S-WR-SD-T
LD703
R708
47
CL-194S-WR-SD-T
LD705
R710
47
CL-194S-WR-SD-T
LD707
R712
47
CL-194S-WR-SD-T
SUBKEYLED_DRV_N
Section Date Sign & Name
Designer 2006/11/27 KIM.D.K
Checked
Approved
LG Electronics Inc.
9 9 10 10
A A
LCD Backlight
U700
8 3
VIN C1+
C700
1u
5 4
VOUT C1-
6
C2+
C701
2
EN_SET
1u
7
C2-
10
D1 WLED_1
11
D2 WLED_2
9 12
GND D3 WLED_3
13 1
PGND D4 WLED_4
AAT3151IWP_T1
LCD_LDO
U701
1 5
STBY NC
2 6
GND BGND
3 4
VIN VOUT VREG_LCD_2.8V
BH28FB1WHFV
C706
1u
Sheet/
Sheets
MODEL
L602i
1/1
DRAWING
KEY PCB
NAME
DRAWING
Rev_E
NO.
LG Electronics Inc.