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CIRCUIT
LCD DISPLAY
VBAT
1V8_VDD
IF_MODE
C301
2.2u
FL302
1
LCD_RS
INOUT_A1
INOUT_B1
2
NLCD_MAIN_CS
INOUT_A2
INOUT_B2
3
NLCD_WR
INOUT_A3
INOUT_B3
4
LCD_VSYNC
INOUT_A4
INOUT_B4
15pF
CAM_IO_1V8
CAM_D_1V8
C336
1u
LGE Internal Use Only
1V8_VDD
TP307
LED_PWM
LCD_ID
TP1
MLED1
. .
TP
MLED2
TP3
MLED3
TP
TP4
MLED4
. .
TP5
MLED5
.
IF_MODE
TP301
TP302
R320
LCD_RESET
. .
100
9
8
TP6
TP304
7
TP303
6
VA301
. .
TP06
CAM_A_2V8
FM_LNA_EN_1
VBAT
C328
C335
C327
C326
2.2u
2.2u
2.2u
2.2u
VMMC
1V8_VDD
CN303
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
10
31
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
ZD311
C313
1u
.
CHARGE PUMP
C325
1u
C324
1u
6
24
AGND
VOUT
7
23
VIN
LED1
U302
8
22
LDOIN
LED2
9
21
LDO4
LED3
10
20
LDO3
LED4
11
19
LDO2
LED5
12
18
LDO1
LED6
TP7
R318
C330
100K
0.1u
TP07
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Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
4. TROUBLE SHOOTING
ZD310
C323
1u
15pF
TP305
.
INOUT_A4
INOUT_B4
4
6
INOUT_A3
INOUT_B3
3
7
INOUT_A2
INOUT_B2
2
8
INOUT_A1
INOUT_B1
1
9
FL303
15pF
INOUT_A4
INOUT_B4
4
6
INOUT_A3
INOUT_B3
3
7
INOUT_A2
INOUT_B2
2
8
INOUT_A1
INOUT_B1
1
9
FL301
Maker
IF
Maker ID
SHARP
L
L
MLED1
MLED2
MLED3
MLED4
MLED5
C329
1u
I2C_SCL
I2C_SDA
LCD_BL_CTRL
LED_PWM
Only for training and service purposes
LCD_DATA00
LCD_DATA01
LCD_DATA02
LCD_DATA03
LCD_DATA04
LCD_DATA05
LCD_DATA06
LCD_DATA07
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