LG GW520 - Page 153

8. CIRCUIT DIAGRAM
- 154 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CHARGE PUMP
1
H
5 8
6
SEND
H
HIGH
D
10
LCD_ID : Hitachi => High
7
KEY_LED
LCD_ID : LGIT => Low
FPCB CONNECTOR
MULTI
HIGH
IM1:IFMODE1
IM0:IFMODE0
2V 0.5mAh
HITACHI
B
1234
8 12
LCD_CONNECTOR(37PIN)
11
E
5
HIGH
E
Interface Mode:8bit
6
A
D
F
9
342
A
10
C
G
9
B
SUB_KEY
KEY PCB
G
F
21
C
HIGH
LGIT
7
BACKUP BATTERY
END
11
1uC800 1uC801
LD802
LEWW-S14
EDLH0005901
VBAT
EDLH0005901
LEWW-S14
LD801LD800
2V85_VLCD
SEND
R811
120
R808 1K
R809 10K
33
34
35
36
37
4
5
6
7
8
9
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
1
10
11
12
13
14
15
16
17
18
CN800
04-6293-037-001-829
ENQY0014301
R802 10K
VA806
varistor
1u C805C804
SMZY0018401
1u
BAT800
DSK-3R3G703T414-GRR
INSTPAR
ZD800
ESD9X5.0ST5G
8
9
10KR800
3
30
31
32
33
34
35
36
37
38
39
4
40
5
6
7
15
16
17
18
19
2
20 21
22
23
24
25
26
27
28
29
AXT540124
CN801
G1 G2
G3 G4
1
10
11
12
13
14
VA801
ICVL0518100Y500FR
ENBY0045701
R801 10K
4.7u
C803
C802
4.7u
ICVL0518100Y500FR
VA800
2V62_VIO
100K R805
SPIF
ICVL0518100Y500FR
VA802
2V85_VLCD
SC654ULTRT
EUSY0369701
BL1
13
14
BL2
1
BL3
BL4
2
3
BL5
BL6
4
9
C1+
8
C1- C2+
10
C2-
7
6
GND
IN
12
OUT
11
5
2V62_VIO
U800
ICVL0518100Y500FR
VA803
VBAT
VA804
ICVL0518100Y500FR
470
R807R806
470
47KR804
2V11_RTC
2V11_RTC
EVLC5S0250
VA807
ICVL0518100Y500FR
VA805
C
1
E
EQBN0007601
KTC4075E
Q800
2
B
3
END
R803
0
MULTI
MLED5LCD_VSYNC
LCD_VSYNC
VBAT
VBAT
LCD_CSn
LCD_RESET
LCD_ID
LCD_BL_CTRL
SLIDE_KEY_LED
END_KEY
KEY_COL6
KEY_COL5
KEY_ROW5
MLED1
MLED2
MLED3
MLED4
MLED
LCD_BL_CTRL
LCD_DATA[0]
LCD_DATA[1]
LCD_DATA[2]
LCD_DATA[3]
LCD_DATA[4]
LCD_DATA[5]
LCD_DATA[6]
LCD_DATA[7]
LCD_RDn
LCD_WRn
LCD_CD
MLED
LCD_ID
MLED1
MLED2
MLED3
MLED4
MLED5
END_KEY
KEY_COL6
KEY_COL5
KEY_ROW5
SLIDE_KEY_LED
LCD_RESET
LCD_DATA[6]
LCD_DATA[4]
LCD_DATA[2]
LCD_DATA[0]
LCD_DATA[7]
LCD_DATA[5]
LCD_DATA[3]
LCD_DATA[1]
LCD_RDn
LCD_WRn
LCD_CD
LCD_CSn