LG GB220 - Page 84

- 85 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CIRCUIT
1V81_VDD
DNIR318
VMMC
V
8_VDD
R315 100K
6
G1
5
G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
FL300
ICVE10184E150R500FR
1uC336
1V5_DVDD
C333
32
33
34
1u
40
41
42
43
44
27
45
46
47
48
49
50
28
29
30
31
23
24
25
3
4
5
6
7
8
9
26
35
36
37
38
39
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
CN302
G1
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
INOUT_B4
6
ICVE10184E150R500FR
FL304
5
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
FL306
ICVE10184E150R500FR
G1
5
G2
10
INOUT_A1
1
2
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
FL302
5
G1 G2
10
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
ICVE10184E150R500FR
C337 1u
SWIF
CAM_PWDN
nCAM_RESET
nLCD_RESET
CAM_DATA0
CAM_DATA1
CAM_DATA2
CAM_DATA3
CAM_DATA4
CAM_DATA5
CAM_DATA6
CAM_DATA7
MOTOR_N
MOTOR
CAM_HSYNC
CAM_VSYNC
CAM_PCLK
CAM_MCLK
LCD_CD
I2C_SDA
I2C_SCL
AXT324164
ENBY0034001
1.3M CAM
1V5_DVDD
2V8_AVDD
1V8_VDD
23
24
3
4
5
6
7
8
9
G4
1
10
11
12 13
14
15
16
17
18
19
2
20
21
22
CN104
G1 G2
G3
CAM_I2C_SDA
CAM_MCLK
CAM_VSYNC
CAM_I2C_SCLCAM_DATA7
CAM_DATA1
CAM_DATA2
CAM_DATA3
CAM_DATA4
CAM_DATA5
CAM_DATA6
CAM_DATA0
CAM_PCLK
nCAM_RESET
CAM_PWDN
CAM_HSYNC
LCD CHARGEPUMP & CAM LDO
1uC324
VBAT
C330
2V8_AVDD
1V5_DVDD
1u
1u
C327
11
THER_GND
21
VIN
19 16
VOUT
BL1
BL2
5
6
BL3 BL4
7
13
BYP
C1+
18
C1-
20
C2+
17
1
C2-
GREF
9
LDO1
15
LDO2
14
NC1
3
10
NC2
12
NC3
PGND
2
SWIF
EUSY0263105
SC624ULTRT
U302
8
AGND
4
1uC326
C329 1u
22nC328
C325
2.2u
MLED
MLED1
MLED2
MLED3
SWIF